Dell Precision 7960 Tower Service Manual
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Dell Precision 7960 Tower Service Manual

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Precision 7960 Tower
Service Manual
Regulatory Model: D05X
Regulatory Type: D05X001
April 2023
Rev. A00

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Summary of Contents for Dell Precision 7960 Tower

  • Page 1 Precision 7960 Tower Service Manual Regulatory Model: D05X Regulatory Type: D05X001 April 2023 Rev. A00...
  • Page 2 A WARNING indicates a potential for property damage, personal injury, or death. © 2023 Dell Inc. or its subsidiaries. All rights reserved. Dell Technologies, Dell, and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other trademarks may be trademarks of their respective owners.

  • Page 3: Table Of Contents

    After working inside your computer........................10 BitLocker..................................10 Chapter 2: Removing and installing components................11 Recommended tools................................11 Screw list....................................11 Major components of Precision 7960 Tower......................12 Left-side cover................................... 14 Removing the left-side cover............................14 Installing the left-side cover............................14 Front bezel ..................................15 Removing the front bezel............................15...
  • Page 4 Removing the rear memory-fan..........................32 Installing the rear memory-fan..........................33 Memory modules................................34 Removing the memory module..........................34 Installing the memory module...........................35 Heat sink....................................36 Removing the heat-sink assembly...........................36 Installing the heat-sink assembly..........................37 Processor.................................... 38 Removing the processor............................38 Installing the processor.............................. 39 Coin-cell battery.................................41 Removing the coin-cell battery..........................41 Installing the coin-cell battery...........................41...
  • Page 5 Installing the rear system-fan assembly........................ 69 Expansion card................................... 70 Removing the powered graphics-card........................70 Installing the powered graphics-card........................70 Removing the non-powered graphics card......................70 Installing the non-powered graphics card......................71 Removing the UltraSpeed Duo card........................73 Installing the UltraSpeed Duo solid-state drive....................74 Installing the UltraSpeed Duo card..........................76 Removing the UltraSpeed Quad card........................
  • Page 6 Deleting or changing an existing system setup password................133 Clearing CMOS settings..............................133 Clearing BIOS (System Setup) and System passwords..................134 Chapter 5: Troubleshooting....................... 135 Dell SupportAssist Pre-boot System Performance Check diagnostics.............. 135 Running the SupportAssist Pre-Boot System Performance Check.............. 135 Power-Supply Unit Built-in Self-Test ........................135 System-diagnostic lights..............................136 Recovering the operating system..........................

  • Page 7: Chapter 1: Working Inside Your Computer

    You should only perform troubleshooting and repairs as authorized or directed by the Dell technical assistance team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. See the safety instructions that is shipped with the product or at www.dell.com/regulatory_compliance.

  • Page 8: Safety Precautions

    ESD protection is an increasing concern. Due to the increased density of semiconductors used in recent Dell products, the sensitivity to static damage is now higher than in previous Dell products. For this reason, some previously approved methods of handling parts are no longer applicable.

  • Page 9: Esd Field Service Kit

    Always place parts in your hand, on the ESD mat, in the system, or inside an anti-static bag. ● Transporting Sensitive Components – When transporting ESD sensitive components such as replacement parts or parts to be returned to Dell, it is critical to place these parts in anti-static bags for safe transport. Working inside your computer...

  • Page 10: Transporting Sensitive Components

    Transporting sensitive components When transporting ESD sensitive components such as replacement parts or parts to be returned to Dell, it is critical to place these parts in anti-static bags for safe transport.

  • Page 11: Chapter 2: Removing And Installing Components

    Removing and installing components NOTE: The images in this document may differ from your computer depending on the configuration you ordered. Recommended tools The procedures in this document may require the following tools: ● Phillips screwdriver #0 ● Phillips screwdriver #1 ●...

  • Page 12: Major Components Of Precision 7960 Tower

    Front-NVMe module 6-32 Front SATA hard-drive module 6-32 Rear SATA/SAS module 6-32 Rear-NVMe module 6-32 System board 6-32 Major components of Precision 7960 Tower The following image shows the major components of Precision 7960 Tower. Removing and installing components...
  • Page 13 22. Air shroud. NOTE: Dell provides a list of components and their part numbers for the original system configuration purchased. These parts are available according to warranty coverages purchased by the customer. Contact your Dell sales representative for purchase options.

  • Page 14: Left-Side Cover

    Left-side cover Removing the left-side cover Prerequisites 1. Follow the procedure in Before working inside your computer. NOTE: Ensure that you remove the security cable from the security-cable slot (if applicable). About this task The following images indicate the location of the left-side cover and provide a visual representation of the removal procedure. Steps 1.

  • Page 15: Front Bezel

    Steps 1. Align the tabs on the left-side cover with the slots on the chassis. 2. Press the side cover back towards the side of the computer to secure it. NOTE: The release latch automatically locks the side cover to the computer. 3.

  • Page 16: Installing The Front Bezel

    Steps 1. Pry the retention tabs to release the front bezel from the computer. 2. Slightly pull the front bezel and gently rotate to release the other tabs on the bezel from the slots in the chassis. 3. Remove the front bezel from the computer. Installing the front bezel Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.

  • Page 17: Front Optical-Drive And Hard-Drive Bezel

    Steps 1. Position the front bezel to align the tabs on the bezel with the slots on the chassis. 2. Press the bezel until the tabs clicks into place. Next steps 1. Install the side cover. 2. Follow the procedure in After working inside your computer.

  • Page 18: Installing The Front Optical-Drive And Hard-Drive Bezel

    Steps 1. Pry the retention tabs to release the front optical-drive and hard-drive bezel from the computer. 2. Slightly pull the front optical-drive and hard-drive bezel to release the bezel from the slots in the chassis. 3. Remove the front optical-drive and hard-drive bezel from the computer. Installing the front optical-drive and hard-drive bezel Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.

  • Page 19: Front Optical-Drive And Hard-Drive Inner Bezel

    Steps 1. Position the front optical-drive and hard-drive bezel to align the tabs on the bezel with the slots on the chassis. 2. Press the bezel until the tabs clicks into place. Next steps 1. Follow the procedure in After working inside your computer.

  • Page 20: Installing The Front Optical-Drive And Hard-Drive Inner Bezel

    Steps 1. Pry the retention tabs to release the front optical-drive and hard-drive bezel from the computer. 2. Slightly move the front optical-drive and hard-drive inner bezel outwards to release the bezel from the slots on the chassis. 3. Remove the front optical-drive and hard-drive inner bezel from the computer. Installing the front optical-drive and hard-drive inner bezel Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.

  • Page 21: Top Cover

    Top cover Removing the top cover Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the left-side cover. About this task The following image provides a visual representation of the top cover removal procedure. Steps 1. Remove the four screws (6-32) that secure the top cover to the chassis. 2.

  • Page 22: Front I/O-Bezel

    About this task The following image provides a visual representation of the top cover installation procedure. Steps 1. Align the screw holes on the top cover with the screw holes on the chassis. 2. Replace the four screws (6-32) to secure the top cover to the chassis. Next steps 1.

  • Page 23: Installing The Front I/O-Bezel

    About this task The following images indicate the location of the front I/O-bezel and provide a visual representation of the removal procedure. Steps 1. Remove the single screw (M3) that secures the front I/O-bezel to the chassis. 2. Pry the retention tabs to release the front I/O-bezel from the chassis. 3.

  • Page 24: Front I/O-Board

    Steps 1. Position the front I/O-bezel to align the tabs on the bezel with the slots on the chassis. 2. Replace the single screw (M3) to secure the front I/O-bezel with the chassis. Next steps 1. Install the cover. 2. Install the front optical-drive and hard-drive bezel.

  • Page 25: Installing The Front I/O-Board

    About this task The following images indicate the location of the front I/O-board and provide a visual representation of the removal procedure. Steps 1. Disconnect all the cables from the connectors on the front I/O-board. 2. Loosen the thumb screw on the front I/O-bracket and unscrew it until the front I/O-bracket is free to move. 3.
  • Page 26 About this task The following images indicate the location of the front I/O-board and provide a visual representation of the installation procedure. Steps 1. Slide and place the front I/O-board in to the front I/O-bracket. 2. Align the screw holes on the front I/O-board with the screw holes on the front I/O-bracket. 3.

  • Page 27: Rear Bezel

    6. Install the front I/O-bezel. 7. Install the cover. 8. Install the front optical-drive and hard-drive bezel. 9. Install the front bezel. 10. Install the left-side cover. 11. Follow the procedure in After working inside your computer. Rear bezel Removing the rear hard-drive bezel Prerequisites 1.

  • Page 28: Air Shroud

    About this task The following images indicate the location of the rear hard-drive bezel and provide a visual representation of the installation procedure. Steps 1. Position the rear hard-drive bezel to align the tabs on the bezel with the slots on the chassis. 2.

  • Page 29: Installing The Air Shroud

    Steps 1. Hold the air shroud at the gripping points. 2. Pull the air shroud upwards and out of the computer. Installing the air shroud Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following image indicates the location of the air shroud and provides a visual representation of the installation procedure.

  • Page 30: Memory Fan

    Steps 1. Align the air shroud over the heat-sink and system board holding and seat it in the slot. 2. Press the air shroud down until the tabs clicks into place. Next steps 1. Install the left-side cover. 2. Follow the procedure in After working inside your computer.

  • Page 31: Installing The Front Memory-Fan

    Steps 1. Disconnect the front memory-fan cable from the DDR FAN0 dongle plug in the air shroud. 2. Unroute the front memory-fan cable from the routing guide on the air shroud. 3. Push and hold the releasing clip on both the sides of the front memory-fan to release the fan from the slot. 4.

  • Page 32: Removing The Rear Memory-Fan

    Steps 1. Align and place the front memory-fan in the slot on the air shroud. 2. Route the front memory-fan cable through the routing guide on the air shroud. 3. Connect the front memory-fan cable to the DDR FAN0 dongle plug in the air shroud. Next steps 1.

  • Page 33: Installing The Rear Memory-Fan

    Steps 1. Disconnect the rear memory-fan cable from the DDR FAN1 dongle plug in the air shroud. 2. Unroute the rear memory-fan cable from the routing guides on the air shroud. 3. Push and hold the releasing clip on both the sides of the rear memory-fan to release the fan from the slot. 4.

  • Page 34: Memory Modules

    Steps 1. Align and place the rear memory-fan in the slot on the air shroud. 2. Route the rear memory-fan cable through the routing guides on the air shroud. 3. Connect the rear memory-fan cable to the DDR FAN1 dongle plug in the air shroud. Next steps 1.

  • Page 35: Installing The Memory Module

    Steps 1. Pull the securing clips from both side of the memory module until the memory module pops up. 2. Slide and remove the memory module from the memory-module slot. Installing the memory module Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following image indicates the location of the memory module and provides a visual representation of the installation procedure.

  • Page 36: Heat Sink

    Steps NOTE: The memory module must be installed in the DIMM 1 slot as a priority. Align the notch on the memory module with the tab on the memory-module slot. 2. Slide the memory module firmly into the slot at an angle and press the memory module down until it clicks into place. NOTE: If you do not hear the click, remove the memory module and reinstall it.

  • Page 37: Installing The Heat-Sink Assembly

    Steps 1. Using a Torx T30 screwdriver, in reverse sequential order (4->3->2->1), loosen the four captive (PEEK) nuts that secure the heat-sink assembly to the system board. 2. Move the four heat-sink clips to the unlock position. 3. Lift the heat-sink assembly from the system board. Installing the heat-sink assembly Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.

  • Page 38: Processor

    Steps NOTE: Ensure that the four heat-sink clips are in the unlock position. Align the screws on the processor fan and heat-sink assembly with the screw holders on the system board and place the heat-sink assembly on the processor. NOTE: Ensure that the triangle mark is directed towards the rear side of the computer.

  • Page 39: Installing The Processor

    About this task The following images indicate the location of the processor and provide a visual representation of the removal procedure. Steps 1. Using the four keying latches on processor carrier, remove the processor carrier from the heat-sink assembly. 2. Press the release lever down and then extend the release lever completely to release the processor from processor carrier. CAUTION: When removing the processor, do not touch any of the pins inside the socket or allow any objects to fall on the pins in the socket.
  • Page 40 About this task The following images provide a visual representation of the processor installation procedure. Steps 1. Pivot the release-lever up and align the pin-1 marks on the processor and processor carrier. 2. Gently press one side of processor carrier to insert the processor on the carrier and align the processor and processor carrier through the bottom alignment feature.

  • Page 41: Coin-Cell Battery

    Coin-cell battery Removing the coin-cell battery Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the left-side cover. 3. Remove the shroud. About this task The following image indicates the location of the coin-cell battery and provide a visual representation of the removal procedure. Steps 1.

  • Page 42: External Storage Flexbay (Hard Drive)

    Steps Insert the coin-cell battery into the socket with the positive side (+) label facing up and snap the battery in the socket. Next steps 1. Install the shroud. 2. Install the left-side cover. 3. Follow the procedure in after working inside your computer.

  • Page 43: Installing The Front 2.5-Inch Hard-Drive Assembly

    Steps 1. Push the release button on the external-flexbay bracket to open the release latch. 2. Hold the release latch and slide the 2.5-inch hard-drive assembly out of the external flexbay slot. Installing the front 2.5-inch hard-drive assembly Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following images indicate the location of the external 2.5-inch hard-drive assembly and provide a visual representation of the installation procedure.

  • Page 44: Removing The Front 3.5-Inch Hard-Drive Assembly

    Steps 1. Slide and insert the 2.5-inch hard-drive assembly into the external flexbay slot. 2. Close the release latch to secure the 2.5-inch hard-drive assembly in place. Next steps 1. Install the front hard-drive bezel. 2. Follow the procedure in After working inside your computer.

  • Page 45: Installing The Front 3.5-Inch Hard-Drive Assembly

    Steps 1. Push the release button on the external-flexbay bracket to open the release latch. 2. Hold the release latch and slide the 3.5-inch hard-drive assembly out of the external flexbay slot. Installing the front 3.5-inch hard-drive assembly Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following images indicate the location of the external 3.5-inch hard-drive assembly and provide a visual representation of the installation procedure.

  • Page 46: Removing The Rear 2.5-Inch Hard-Drive Assembly

    Steps 1. Slide and insert the 3.5-inch hard-drive assembly into the external flexbay slot. 2. Close the release latch to secure the 3.5-inch hard-drive assembly in place. Next steps 1. Install the front hard-drive bezel. 2. Follow the procedure in After working inside your computer.

  • Page 47: Installing The Rear 2.5-Inch Hard-Drive Assembly

    Steps 1. Push the release button on the rear-flexbay bracket to open the release latch. 2. Hold the release latch and slide the 2.5-inch hard-drive assembly out of the external flexbay slot. Installing the rear 2.5-inch hard-drive assembly Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following images indicate the location of the rear 2.5-inch hard-drive assembly and provide a visual representation of the installation procedure.

  • Page 48: Removing The Rear 3.5-Inch Hard-Drive Assembly

    Steps 1. Slide and insert the 2.5-inch hard-drive assembly into the external flexbay slot. 2. Close the release latch to secure the 2.5-inch hard-drive assembly in place. Next steps 1. Follow the procedure in After working inside your computer. Removing the rear 3.5-inch hard-drive assembly Prerequisites 1.

  • Page 49: Installing The Rear 3.5-Inch Hard-Drive Assembly

    Steps 1. Push the release button on the rear-flexbay bracket to open the release latch. 2. Hold the release latch and slide the 3.5-inch hard-drive assembly out of the external flexbay slot. Installing the rear 3.5-inch hard-drive assembly Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following images indicate the location of the rear 3.5-inch hard-drive assembly and provide a visual representation of the installation procedure.

  • Page 50: Removing The External 2.5-Inch Hard-Drive Caddy

    Steps 1. Slide and insert the 3.5-inch hard-drive assembly into the external flexbay slot. 2. Close the release latch to secure the 3.5-inch hard-drive assembly in place. Next steps 1. Follow the procedure in After working inside your computer. Removing the external 2.5-inch hard-drive caddy Prerequisites 1.

  • Page 51: Installing The External 2.5-Inch Hard-Drive Caddy

    Steps 1. Pry the sides of the hard-drive caddy to release the tabs on the caddy from the slots on the hard drive. 2. Lift and remove the hard drive off the hard-drive caddy. Installing the external 2.5-inch hard-drive caddy Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.

  • Page 52: Removing The External 3.5-Inch Hard-Drive Caddy

    Steps 1. Place the hard drive into the hard-drive caddy and align the tabs on the caddy with the slots on the hard drive. 2. Snap the hard-drive into the hard-drive caddy. Next steps 1. Install the external 2.5-inch hard-drive assembly.

  • Page 53: M.2 Solid-State Drive Module

    Steps 1. Place the hard drive into the external hard-drive caddy and align the tabs on the bracket with the slots on the hard drive. 2. Snap the hard-drive into the external hard-drive caddy. Next steps 1. Install the external 3.5-inch hard-drive assembly.

  • Page 54: Installing The M.2 Solid-State Drive Module

    Steps 1. Insert a pin into the release hole of the M.2 solid-state drive module and push inward until the assembly is released. 2. Slide the M.2 solid-state drive module out of the external flexbay slot. Installing the M.2 solid-state drive module Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.

  • Page 55: External Storage Flexbay (Solid-State Drive)

    Steps 1. Align the M.2 solid-state drive module with the slot on the computer and carefully slide it in. 2. Slide the M.2 solid-state drive module into the slot, until it clicks into place. Next steps 1. Follow the procedure in After working inside your computer.

  • Page 56: Removing The External M.2 2280 Solid-State Drive

    Steps 1. Push the carrier handle to release the M.2 carrier from the slot on the M.2 solid-state drive module. 2. Hold the carrier handle and slide the M.2 solid-state drive carrier out of the M.2 solid-state drive module. Removing the external M.2 2280 solid-state drive Prerequisites 1.

  • Page 57: Installing The External M.2 2280 Solid-State Drive

    Steps 1. Remove the single (M3x6) screw and the two (M3x3) screws from the solid-state drive assembly. 2. Lift and remove the cover from the solid-state drive assembly. 3. Slide and remove the solid-state drive from the solid-state drive assembly. Installing the external M.2 2280 solid-state drive Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.

  • Page 58: Installing The M.2 Solid-State Drive Carrier

    Steps 1. Align the notch on the solid-state drive with the tab on the solid-state drive connector. 2. Insert the solid-state drive at a 45-degree angle into the slot on the solid-state drive assembly. 3. Place the cover over the solid-state drive assembly. 4.

  • Page 59: Slim Optical-Drive

    Steps 1. Slide and insert the M.2 solid-state drive carrier into the M.2 solid-state drive module. 2. Push the carrier handle to secure the M.2 solid-state drive carrier in place. Next steps 1. Follow the procedure in After working inside your computer.

  • Page 60: Installing The Slim Optical-Drive

    Steps 1. Slide the release latch inwards to release the slim optical-drive module from the slot on the chassis. 2. Slide and remove the slim optical-drive from the slot on the chassis. 3. Pry and slide the slim optical-drive latch from the optical-drive bezel. 4.

  • Page 61: Pcie Holder

    Steps 1. Slide and install the slim optical-drive latch to the optical-drive bezel. 2. Insert the slim optical-drive module into the slim optical-drive slot on the chassis. 3. Slide the slim optical-drive module until it snaps into place. Next steps 1.

  • Page 62: Installing The Pcie Holder

    2. Remove the left-side cover. 3. Remove the shroud. About this task The following images indicate the location of the PCIe holder and provide a visual representation of the removal procedure. Steps 1. Open the PCIe-holder press cover and unroute all the VGA cables from the routing guides. 2.

  • Page 63: Front Fan

    Steps 1. Align and place the PCIe holder on the slot over the front-fan assembly and fasten the clips to secure it with the chassis. 2. Open the PCIe-holder press cover and route all the VGA cables through the routing guides. 3.

  • Page 64: Removing Front System-Fans

    About this task The following images indicate the location of the front system-fan assembly and provide a visual representation of the removal procedure. Steps 1. Disconnect the fan cables from the connectors on the system board. 2. Loosen the captive screws that secure the front system-fan assembly to the system-board tray. 3.

  • Page 65: Installing The Front System-Fans

    3. Remove the front system-fan assembly. About this task The following image provides a visual representation of the front system-fans removal procedure. Steps 1. Unroute the fan cable from the routing clip on the fan bracket. 2. Move the fan at an angle from the fan bracket. 3.

  • Page 66: Installing The Front System-Fan Assembly

    2. Install the left-side cover. 3. Follow the procedure in After working inside your computer. Installing the front system-fan assembly Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following images indicate the location of the front system-fan assembly and provide a visual representation of the installation procedure.

  • Page 67: Rear Fans

    5. Connect the speaker cable to the speaker dongle-cable and route the speaker on the fan assembly. 6. Connect the fan cables to the connectors on the system board. Next steps 1. Install the PCIe holder. 2. Install the shroud. 3.

  • Page 68: Removing Rear System-Fan

    Removing rear system-fan Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the left-side cover. 3. Remove the rear system-fan assembly. About this task The following images provide a visual representation of the rear system-fan removal procedure. Steps 1.

  • Page 69: Installing The Rear System-Fan Assembly

    2. Place the fan inside the fan bracket. 3. Route the fan cable through the routing clip on the fan bracket. 4. Align and place the fan cover into slots on the fan bracket. Next steps 1. Install the rear system-fan assembly.

  • Page 70: Expansion Card

    Expansion card Removing the powered graphics-card Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the left-side cover. 3. Remove the shroud. About this task The following images indicate the location of the powered graphics-card and provide a visual representation of the removal procedure.

  • Page 71: Installing The Non-Powered Graphics Card

    2. Remove the left-side cover. 3. Remove the shroud. About this task The following images indicate the location of the non-powered graphics card and provide a visual representation of the removal procedure. Steps 1. Lift the PCIe latch to open the PCIe door. 2.
  • Page 72 About this task The following images indicate the location of the non-powered graphics card and provide a visual representation of the installation procedure. Steps 1. Lift the PCIe latch to open the PCIe door. 2. Remove the PCIe filler from the slot on the chassis. 3.

  • Page 73: Removing The Ultraspeed Duo Card

    Removing the UltraSpeed Duo card Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the left-side cover. 3. Remove the shroud. About this task The following images indicate the location of the UltraSpeed Duo card and provide a visual representation of the removal procedure.

  • Page 74: Installing The Ultraspeed Duo Solid-State Drive

    Installing the UltraSpeed Duo solid-state drive Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following image provides a visual representation of the UltraSpeed Duo solid-state drive installation procedure. Removing and installing components...
  • Page 75 Steps 1. Press the release latch to open the fan shroud. 2. Loosen the two captive screws and lift the heat sink away from the UltraSpeed Duo card. 3. Remove the screw (M2x3) from the UltraSpeed Duo card. 4. Peel the protection film that covers the thermal pad on the M.2 solid-state drive slot. 5.

  • Page 76: Installing The Ultraspeed Duo Card

    NOTE: The UltraSpeed Duo card can support two solid-state drives. Repeat step 1 to step 10 to install the solid-state drive into the second slot. Next steps 1. Install the UltraSpeed Duo card. 2. Install the left-side cover. 3. Follow the procedure in after working inside your computer.

  • Page 77: Removing The Ultraspeed Quad Card

    Steps 1. Align the UltraSpeed Duo card with the expansion-card slot on the system board. 2. Remove the PCIe filler from the PCIe slot on the chassis. 3. Using the alignment post, connect the UltraSpeed Duo card to the connector and press down firmly. Ensure that the UltraSpeed Duo card is firmly seated.

  • Page 78: Installing The Ultraspeed Quad Solid-State Drive

    Steps 1. Push the PCIe latch to open the PCIe door. 2. Lift and remove the UltraSpeed Quad card away from the expansion-card slot. 3. Align and place the PCIe filler into the PCIe slot and close the PCIe latch. Installing the UltraSpeed Quad solid-state drive Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
  • Page 79 Steps 1. Press the release latch to open the fan shroud. 2. Peel the Mylar tape that covers the thermal pad on the M.2 solid-state drive slot. 3. Remove the screw (M2x3) that secures the M.2 solid-state drive standoff nut. 4.

  • Page 80: Installing The Ultraspeed Quad Card

    5. Slide the M.2 2280 solid-state drive into the M.2 2280 slot on the UltraSpeed Quad card. 6. Replace the screw (M2x3) that secures the M.2 2280 solid-state drive to the UltraSpeed Quad card. 7. Close the fan shroud and press until it clicks in place. NOTE: The UltraSpeed Quad card supports four solid-state drives.

  • Page 81: Removing The Thunderbolt 4 Pcie Card

    Steps 1. Align the UltraSpeed Quad card with the expansion-card slot on the system board. 2. Remove the PCIe filler from the PCIe slot on the chassis. 3. Using the alignment post, connect the UltraSpeed Quad card to the connector and press down firmly. Ensure that the UltraSpeed Quad card is firmly seated.

  • Page 82: Installing The Thunderbolt 4 Pcie Card

    3. Remove the shroud. About this task The following images indicate the location of the Thunderbolt 4 PCIe card and provide a visual representation of the removal procedure. Steps 1. Push the PCIe latch to open the PCIe door. 2. Disconnect the Thunderbolt 4 PCIe cable from the connector on the system board. 3.
  • Page 83 About this task The following images indicate the location of the Thunderbolt 4 PCIe card and provide a visual representation of the installation procedure. Steps 1. Push the PCIe latch to open the PCIe door. 2. Align the Thunderbolt 4 PCIe card with the expansion-card slot on the system board. 3.

  • Page 84: Removing The Wireless Card

    Removing the wireless card Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the left-side cover. 3. Remove the shroud. About this task The following images indicate the location of the wireless card and provide a visual representation of the removal procedure. Steps 1.

  • Page 85: Installing The Wireless Card

    Installing the wireless card Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following images indicate the location of the wireless card and provide a visual representation of the installation procedure. Steps 1.

  • Page 86: Speaker

    3. Follow the procedure in After working inside your computer. Speaker Removing the speaker Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the left-side cover. 3. Remove the front bezel. About this task The following image provides a visual representation of the speaker removal procedure. Steps 1.

  • Page 87: Right-Side Cover

    Steps 1. Press the tabs on the speaker and push the speaker in to the slot on the chassis until it snaps into place. 2. Connect the speaker cable to the speaker dongle-cable. Next steps 1. Install the front bezel. 2.

  • Page 88: Installing The Right-Side Cover

    Steps 1. Place the computer in up-right position. 2. Remove the two (6-32) screws that secure right-side cover to the chassis. 3. Slide the cover outwards to remove it from the computer. Installing the right-side cover Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following images indicate the location of the right-side cover and provide a visual representation of the installation procedure.

  • Page 89: Power-Supply Unit

    Steps 1. Align the tabs on the right-side cover with the slots on the chassis and slide it in place. 2. Replace the two (6-32) screws to secure the right-side cover to the chassis. Next steps 1. Follow the procedure in After working inside your computer.

  • Page 90: Installing The Power-Supply Unit

    Steps 1. Remove the screw from the lock position and replace the screw into the unlock position. 2. Push the release latch down to to unlock the power-supply unit from the chassis. 3. Slide the power-supply unit away from the back of the chassis. 4.

  • Page 91: Power-Distribution Board

    Steps 1. Insert the power-supply unit into the slot on the back of the chassis. 2. Slide the power-supply unit until the securing tab snaps into position. 3. Remove the screw from the unlock position and replace the screw into the lock position. Next steps 1.

  • Page 92: Installing The Power-Distribution Board

    Steps 1. Disconnect all the cables from the connectors on the power-distribution board and unroute the cables from the routing guides. NOTE: Ensure to note the connectors from where the cables are being disconnected. 2. Disconnect the data cables and power cables from the connectors on the rear backplane and unroute the cables from the routing guides on the power-distribution board.
  • Page 93 About this task The following image indicates the location of the power-distribution board and provides a visual representation of the installation procedure. Steps 1. Align the screw holes on the power-distribution board with the screw holes on the chassis. 2. Replace the four (6-32) screws to secure the power-distribution board to the chassis. 3.

  • Page 94: Front-Nvme Module

    Front-NVMe module Removing the front-NVMe module Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the external solid-state drive assembly. 3. Remove the right-side cover. About this task The following images indicate the location of the front-NVMe module and provide a visual representation of the removal procedure.

  • Page 95: Installing The Front-Nvme Module

    3. Remove the two screws (6-32) that secure the front-NVMe module to the flex1. 4. Lift and remove the front-NVMe module away from the computer. NOTE: Follow the same procedure to remove the front-NVMe module from the flex0. Installing the front-NVMe module Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.

  • Page 96: Rear-Nvme Module

    3. Install the two screws (6-32) to secure the front-NVMe module to the flex1. 4. Connect the thermal-sensor cable and fan-controller cable to the connectors on the power-distribution board. 5. Connect the power cable (P5) and data cable to the connectors on the HSBP board. NOTE: ●...

  • Page 97: Installing The Rear-Nvme Module

    Steps 1. Disconnect the power cable and data cable from the connectors on the HSBP board. 2. Disconnect the thermal-sensor cable and fan-controller cable from the connectors on the power-distribution board. 3. Remove the two screws (6-32) that secure the rear-NVMe module to the flex4. 4.
  • Page 98 Steps 1. Align the screw holes on the rear-NVMe module with the screw holes on the flex4. 2. Place the rear-NVMe module into the slot in the flex4. 3. Install the two screws (6-32) to secure the rear-NVMe module to the flex4. 4.

  • Page 99: Front Sata/Sas Module

    Front SATA/SAS module Removing the front SATA/SAS module Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the front 2.5-inch hard-drive assembly. 3. Remove the front 3.5-inch hard-drive assembly. 4. Remove the right-side cover. About this task The following images indicate the location of the front SATA/SAS module and provide a visual representation of the removal procedure.

  • Page 100: Installing The Front Sata/Sas Module

    2. Disconnect the slimline MegaRAID cable from the connector on the MegaRAID card. 3. Disconnect the power cable from the dongle cable. 4. Remove the four screws (6-32) that secure the front SATA/SAS hard-drive modules to the flex0 and flex1. 5.

  • Page 101: Rear Sata/Sas Module

    3. Install the four screws (6-32) to secure the front SATA/SAS modules to the flex0 and flex1. 4. Connect the slimline MegaRAID cable to the connector on the MegaRAID card. 5. Connect the power cable to the dongle cable. 6. Connect the thermal-sensor cables and fan-controller cables to the connectors on the power-distribution board. Next steps 1.

  • Page 102: Installing The Rear Sata/Sas Module

    Steps 1. Disconnect the thermal-sensor cables and fan-controller cables from the connectors on the power-distribution board. 2. Disconnect the data cable from the connector on the SATA/SAS board. 3. Disconnect the power cable from the connector on the SATA/SAS board. 4.
  • Page 103 About this task The following images indicate the location of the rear SATA/SAS module and provide a visual representation of the installation procedure. Steps 1. Align the screw holes on the rear SATA/SAS module with the screw holes on the flex4. 2.

  • Page 104: Front Sata Hard-Drive Modules

    4. Follow the procedure in After working inside your computer. Front SATA hard-drive modules Removing the front SATA hard-drive modules Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the front 2.5-inch hard-drive assembly. 3. Remove the front 3.5-inch hard-drive assembly.

  • Page 105: Installing The Front Sata Hard-Drive Modules

    Steps 1. Disconnect the thermal-sensor cables and fan-controller cables from the connectors on the power-distribution board. 2. Disconnect the SATA data cable from the connector on the system board. 3. Disconnect the power cable from the dongle-cable. 4. Unroute the data and power cables from the clip on the chassis. 5.
  • Page 106 Steps 1. Align the screw holes on the front SATA hard-drive modules with the screw holes on the flex0 and flex1. 2. Place the front SATA hard-drive module into the slot in the flex0 and flex1. 3. Install the four screws (6-32) to secure the front SATA hard-drive modules to the flex0 and flex1. 4.

  • Page 107: System Board

    System board System-board call outs This topics provides detailed call outs for the connectors on the system board: System-board call outs (front side) Table 2. Precision 7960 tower system board callouts (front side) Connector Description FP AUDIO Front panel audio-cable connector...
  • Page 108 Table 2. Precision 7960 tower system board callouts (front side) (continued) Connector Description INT SPKR Internal-speaker connector DDR FAN 0/1 Memory-module fan connector FAN SYS2 System fan connector FAN SYS1 System fan connector Front I/O-daughter board connector INT USB1 Internal USB 2.0...

  • Page 109: Removing The System Board

    System-board call outs (rear side) Table 3. Precision 7960 tower system board callouts (rear side) Connector Description Front NVME0-1 (rear access) Front NVMe connector for externally facing M.2 flexbay drive Front NVME2-3 (rear access) Front NVMe connector for externally facing M.2 flexbay drive...
  • Page 110 NOTE: Before disconnecting the cables from the system board, note the location of the connectors so that you can reconnect the cables correctly after you replace the system board. 2. Remove the left-side cover. 3. Remove the front bezel. 4. Remove the shroud.
  • Page 111 Removing and installing components...

  • Page 112: Installing The System Board

    Steps 1. Disconnect all the cables from the connectors on the front side of the system board. 2. Disconnect all the data cables from the connectors on the bottom side of the system board. 3. Remove the 13 (6-32) screws that secure the system board to the chassis. 4.
  • Page 113 Removing and installing components...
  • Page 114 Removing and installing components...
  • Page 115 Steps 1. Slide the rear I/O-ports on the system board into the rear I/O-slots on the chassis and align the screw holes on the system board with the screw holes on the chassis. 2. Replace the 13 (6-32) screws that secure the system board to the chassis. 3.

  • Page 116: Rail Kit

    NOTE: Replacing the system board removes any changes that you have made to the BIOS using the BIOS setup program. You must make the appropriate changes again after you replace the system board. Rail kit Removing the right rail-kit Prerequisites 1.

  • Page 117: Chapter 3: Drivers And Downloads

    Drivers and downloads When troubleshooting, downloading or installing drivers it is recommended that you read the Dell Knowledge Base article, Drivers and Downloads FAQ 000123347. Drivers and downloads...

  • Page 118: Chapter 4: Bios Setup

    BIOS setup CAUTION: Unless you are an expert computer user, do not change the settings in the BIOS Setup program. Certain changes can make your computer work incorrectly. NOTE: Depending on the computer and its installed devices, the items listed in this section may or may not be displayed. NOTE: Before you change BIOS Setup program, it is recommended that you write down the BIOS Setup program screen information for future reference.

  • Page 119: One Time Boot Menu

    The one-time boot menu displays the devices that you can boot from including the diagnostic option. The boot menu options are: ● Removable Drive (if available) ● STXXXX Drive (if available) NOTE: XXX denotes the SATA drive number. ● Optical Drive (if available) ●...
  • Page 120 Table 5. System setup options—System information menu (continued) Overview Core Count Displays the number of cores on the processor. Processor ID Displays the processor identification code. Processor L2 Cache Displays the processor L2 Cache size. Processor L3 Cache Displays the processor L3 Cache size. Microcode Version Displays the microcode version.
  • Page 121 Table 5. System setup options—System information menu (continued) Overview Slot 5 Displays the PCI slot information of the system. Slot 6 Displays the PCI slot information of the system. Slot 7 Displays the PCI slot information of the system. Slot 8 Displays the PCI slot information of the system.
  • Page 122 Table 7. System setup options—Integrated Devices menu (continued) Integrated Devices By default, the Default option is enabled. Table 8. System setup options—Storage menu Storage SATA/NVMe Operation SATA/NVMe Operation Set the operating mode of the integrated storage device controller. By default, the RAID On option is enabled. Storage interface Port Enablement This page allows you to enable the onboard drives.
  • Page 123 Table 8. System setup options—Storage menu (continued) Storage Type Displays the slimline SAS PCIE SSD-1 type information of the system. Device Displays the slimline SAS PCIE SSD-1 device information of the system. Slimline SAS PCIE SSD-2 Type Displays the slimline SAS PCIE SSD-2 type information of the system. Device Displays the slimline SAS PCIE SSD-2 device information of the system.
  • Page 124 Table 10. System setup options—Connection menu (continued) Connection Integrated NIC 2 Enable or disable the on-board LAN controller. By default, the Enabledoption is enabled. Enable UEFI Network Stack Enable or disable UEFI Network Stack and controls the on-board LAN Controller. By default, the Auto Enabled option is enabled.
  • Page 125 Table 11. System setup options—Power menu (continued) Power Block Sleep Enables to block entering sleep (S3) mode in the operating system. By default, the Block Sleep option is disabled. Deep Sleep Control Deep Sleep Control option is disabled in order to enable the Wake from USB keyboard and mouse feature to work in the shutdown (S5) and Hibernate (S4) states.
  • Page 126 By default, the option is enabled. Dell Auto OS Recovery Threshold Controls the automatic boot flow for SupportAssist System Resolution Console and for Dell operating system Recovery Tool. By default, the threshold value is set to 2. Table 14. System setup options—System Management menu...
  • Page 127 Table 14. System setup options—System Management menu (continued) System Management Asset Tag Create a system Asset Tag. Wake on LAN/WLAN Wake on LAN/WLAN Enable or disable the computer to power on by special LAN signals when it receives a wakeup signal from the WLAN. By default, the option is disabled.
  • Page 128 Enables to change the number of CPU cores available to the operating system. By default, the All Cores options is enabled. Enable Dell RMT Enable or disable Dell Reliable Memory Technology (RMT) to identify and isolate memory errors in the system RAM. By default, the option is enabled.
  • Page 129 Enables to change the number of CPU cores available to the operating system. By default, the All Cores options is enabled. Enable Dell RMT Enable or disable Dell Reliable Memory Technology (RMT) to identify and isolate memory errors in the system RAM. By default, the option is enabled.

  • Page 130: Updating The Bios

    BIOS Event Log Clear Bios Event Log Displays BIOS events. By default, the Keep Log option is enabled. Dell Reliable Memory Technology Displays the Dell Reliable Memory Technology events. Events Updating the BIOS Updating the BIOS in Windows About this task...

  • Page 131: Updating The Bios In Linux And Ubuntu

    Updating the BIOS in Windows to download the latest BIOS setup program file. 2. Create a bootable USB drive. For more information, search in the Knowledge Base Resource at www.dell.com/support. 3. Copy the BIOS setup program file to the bootable USB drive.

  • Page 132: System And Setup Password

    One-Time boot menu on the computer. Most of the Dell computers built after 2012 have this capability, and you can confirm by booting your computer to the F12 One-Time Boot Menu to see if BIOS FLASH UPDATE is listed as a boot option for your computer. If the option is listed, then the BIOS supports this BIOS update option.

  • Page 133: Deleting Or Changing An Existing System Setup Password

    About this task To enter the system setup, press F12 immediately after a power-on or reboot. Steps 1. In the System BIOS or System Setup screen, select Security and press Enter. The Security screen is displayed. 2. Select System/Admin Password and create a password in the Enter the new password field. Use the following guidelines to assign the system password: ●...

  • Page 134: Clearing Bios (System Setup) And System Passwords

    Clearing BIOS (System Setup) and System passwords About this task To clear the system or BIOS passwords, contact Dell technical support as described at www.dell.com/contactdell. NOTE: For information on how to reset Windows or application passwords, refer to the documentation accompanying Windows or your application.

  • Page 135: Chapter 5: Troubleshooting

    Check diagnostics About this task SupportAssist diagnostics (also known as system diagnostics) performs a complete check of your hardware. The Dell SupportAssist Pre-boot System Performance Check diagnostics is embedded with the BIOS and is launched by the BIOS internally. The embedded system diagnostics provides a set of options for particular devices or device groups allowing you to: ●...

  • Page 136: System-Diagnostic Lights

    System-diagnostic lights This section lists the system-diagnostic lights of your Precision 7960 Tower. Table 21. System-diagnostic lights Blinking pattern Amber White Problem description Suggested resolution TPM detection failure Replace the system board. Unrecoverable SPI Flash Replace the system board. Failure EC unable to program i-Fuse Replace the system board.

  • Page 137: Recovering The Operating System

    It enables you to diagnose hardware issues, repair your computer, back up your files, or restore your computer to its factory state. You can also download it from the Dell Support website to troubleshoot and fix your computer when it fails to boot into their primary operating system due to software or hardware failures.

  • Page 138: Real Time Clock-Rtc Reset

    Real Time Clock—RTC reset The Real Time Clock (RTC) reset function allows you or the service technician to recover the recently launched model Dell Latitude and Precision systems from No POST/No Boot/No Power situations. You can initiate the RTC reset on the system from a power-off state only if it is connected to AC power.

  • Page 139: Chapter 6: Getting Help And Contacting Dell

    Getting help and contacting Dell Self-help resources You can get information and help on Dell products and services using these self-help resources: Table 22. Self-help resources Self-help resources Resource location Information about Dell products and services www.dell.com Tips Contact Support In Windows search, type Contact Support, and press Enter.

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