Dell Precision 7960 Service Manual
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Dell Precision 7960 Service Manual

Dell Precision 7960 Service Manual

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Precision 7960 Rack
Service Manual
Regulatory Model: E82S
Regulatory Type: E82S001
April 2023
Rev. A00

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Summary of Contents for Dell Precision 7960

  • Page 1 Precision 7960 Rack Service Manual Regulatory Model: E82S Regulatory Type: E82S001 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

    Contents Chapter 1: Working inside your computer..................6 Safety instructions................................6 Before working inside your computer........................6 Safety precautions.................................7 Electrostatic discharge—ESD protection........................7 ESD field service kit ..............................8 Transporting sensitive components.......................... 9 After working inside your computer..........................9 BitLocker..................................9 Chapter 2: Removing and installing components................10 Recommended tools................................10 Screw list.....................................
  • Page 4 Removing the front PERC module........................... 41 Installing the front PERC module..........................43 Hard drive backplane................................ 44 Removing the hard drive backplane........................44 Installing the hard drive backplane..........................46 Left control panel ................................47 Removing the left control panel..........................47 Installing the left control panel..........................48 Right control panel ................................
  • Page 5 Deleting or changing an existing system setup password................. 97 Clearing CMOS settings..............................97 Clearing BIOS (System Setup) and System passwords..................98 Chapter 5: Troubleshooting......................99 Dell SupportAssist Pre-boot System Performance Check diagnostics..............99 Running the SupportAssist Pre-Boot System Performance Check..............99 Power-Supply Unit Built-in Self-Test ..........................99 System-diagnostic lights..............................100 Recovering the operating system..........................103...

  • Page 6: 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 7: 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 8: 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 9: 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 10: 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 #1 ● Phillips screwdriver #2 ●...

  • Page 11: System Cover

    System cover Removing the system cover Prerequisites 1. Follow the procedure in Before working inside your computer. About this task The following images indicate the location of the system cover and provide a visual representation of the removal procedure. Removing and installing components...
  • Page 12 Removing and installing components...

  • Page 13: Installing The System Cover

    Steps 1. Using a 1/4-inch flat head or a Phillips #2 screwdriver, rotate the lock counterclockwise to the unlock position. 2. Lift the release latch until the system cover slides back. 3. Lift to remove the system cover from the computer. Installing the system cover Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
  • Page 14 Removing and installing components...

  • Page 15: Cooling Fan Assembly

    Steps 1. Align the tabs on the system cover with the guide slots on the computer and slide the system cover. 2. Close the system cover release latch. 3. Using a 1/4-inch flat head or a Phillips #2 screwdriver, rotate the lock clockwise to the lock position. Next steps 1.
  • Page 16 About this task The following images indicate the location of the cooling fan assembly and provide a visual representation of the removal procedure. Steps 1. Lift the blue release levers to unlock the cooling fan cage assembly from the computer. 2.

  • Page 17: Installing The Cooling Fan Assembly

    Installing the cooling 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 cooling fan assembly and provide a visual representation of the installation procedure.

  • Page 18: Cooling Fans

    Steps 1. Hold the blue release levers of the cooling fan cage, align the guide rails with the guides on the computer. 2. Lower the cooling fan assembly into its slot on the computer until seated firmly. 3. Lower the blue release levers and press to lock the cooling fan assembly into the computer. Next steps 1.

  • Page 19: Installing The Cooling Fan

    Steps Press the orange release tab and lift the cooling fan to disconnect the fan from the connector on the system board. Installing the cooling fan 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 cooling fan and provide a visual representation of the installation procedure.

  • Page 20: Hard Drive Assembly

    Steps Align and lower the cooling fan into the cooling fan assembly until the fan clicks into place. Next steps 1. Install the system cover. 2. Follow the procedure in After working inside your computer. Hard drive assembly Removing a drive blank Prerequisites 1.

  • Page 21: Installing A Drive Blank

    Steps Press the release button, and slide the drive blank out of the drive slot. Installing a drive blank 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 a drive blank and provide a visual representation of the installation procedure. Removing and installing components...

  • Page 22: Removing A Drive Carrier

    Steps Slide the drive blank into the drive slot until the release button clicks into place. Next steps 1. Follow the procedure in After working inside your computer. Removing a drive carrier Prerequisites 1. Follow the procedure in Before working inside your computer.

  • Page 23: Installing A Drive Carrier

    Steps 1. Press the release button to open the drive carrier release handle. 2. Hold the drive carrier release handle and slide it out of the drive slot. Installing a drive carrier 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 a drive carrier and provide a visual representation of the installation procedure.

  • Page 24: Removing The Hard-Drive From The Drive Carrier

    Steps 1. Slide the drive carrier into the drive slot and push until the drive connects with the backplane. 2. Close the drive carrier release handle to lock the drive in place. Next steps 1. Follow the procedure in After working inside your computer.

  • Page 25: Installing The Hard-Drive From The Drive Carrier

    Steps 1. Remove the four screws from the slide rails on the drive carrier. NOTE: If the drive carrier has Torx screw, use Torx 6 (for 2.5-inch drive) or Torx 8 (for 3.5-inch drive) screwdriver to remove the drive. 2. Lift the hard-drive out of the drive carrier. Installing the hard-drive from the drive carrier Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.

  • Page 26: Air Shroud

    Steps 1. Insert the hard-drive into the drive carrier with the drive connector facing towards the rear of the carrier. 2. Align the screw holes on the hard-drive with the screws holes on the drive carrier. 3. Replace the four screws to secure the hard-drive to the drive carrier. NOTE: If the drive carrier has Torx screw, use Torx 6 (for 2.5-inch drive) or Torx 8 (for 3.5-inch drive) screwdriver to install the drive.
  • Page 27 Steps 1. Press the gripping points on the air shroud. 2. Pull the air shroud upwards to lift it out of the computer. Removing and installing components...

  • Page 28: Installing The Air Shroud

    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. Removing and installing components...

  • Page 29: Processors And Heat Sinks

    Steps 1. Align the air shroud tabs with the slots in the computer. NOTE: Ensure that the air shroud tabs are below the surface of the cooling cage fan assembly. 2. Press the air shroud down until the tabs clicks into place. Next steps 1.
  • Page 30 Steps 1. Using a Torx T30 screwdriver, in reverse sequential order (4->3->2->1), loosen the four captive screws that secure the processor and heat-sink module to the system board. 2. Lift the processor and heat-sink module from the system board. Removing and installing components...

  • Page 31: Removing Processor From Processor Heat-Sink Module

    Removing processor from processor heat-sink module About this task The following images indicate the location of the processor and provides a visual representation of the removal procedure. Steps 1. Place the heat sink with the processor side facing up. Removing and installing components...

  • Page 32: Installing Processor Into Processor Heat-Sink Module

    2. Using your thumb, lift the thermal interface material (TIM) break lever to release the processor from the TIM and retaining clip. 3. Holding the processor by the edges, lift the processor away from the retaining clip. NOTE: Ensure to hold the retaining clip to the heat sink as you lift the TIM break lever. NOTE: Ensure to return the TIM break lever back to original position.
  • Page 33 Steps 1. Place the processor in the processor tray. Removing and installing components...

  • Page 34: Installing The Processor And Heat-Sink Module

    NOTE: Ensure that pin 1 indicator on the CPU tray is aligned with the pin 1 indicator on the processor. 2. Place the retaining clip on top of the processor in the processor tray aligning pin 1 indicator on the processor. NOTE: Ensure the pin 1 indicator on the retaining clip is aligned with the pin 1 indicator on the processor before placing the retaining clip on the processor.
  • Page 35 Removing and installing components...

  • Page 36: Coin-Cell Battery

    Steps 1. Align the pin 1 indicator of the heat-sink to the system board and then place the processor and heat-sink module on the processor socket. NOTE: To avoid damaging the fins on the heat-sink, do not press down on the heat-sink fins. NOTE: Ensure that the processor and heat-sink is held parallel to the system board to prevent damaging the components.

  • Page 37: Installing The Coin-Cell Battery

    Steps 1. Using a plastic scribe, gently pry the coin-cell battery out of the slot on the system board. 2. Remove the coin-cell battery away from the computer. Installing the coin-cell battery 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 coin-cell battery and provides a visual representation of the installation procedure.

  • Page 38: Backplane Cover

    Steps 1. Insert the coin-cell battery with the "+" sign facing up and slide it under the securing tabs at the positive side of the connector. 2. Press the battery into the connector until it locks into place. Next steps 1.
  • Page 39 Steps 1. Slide the backplane cover in the direction of the arrows marked on the backplane cover. 2. Lift to remove the backplane cover from the computer. Removing and installing components...

  • Page 40: Installing The Backplane Cover

    Installing the backplane 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 backplane cover and provide a visual representation of the installation procedure.

  • Page 41: Front Poweredge Raid Controller (Perc) Module

    Steps 1. Align the backplane cover with the guide slots on the computer. 2. Slide the backplane cover to the front of the system until it fits into place. Next steps 1. Install the system cover. 2. Follow the procedure in After working inside your computer.
  • Page 42 Steps 1. Press down on the latch and disconnect the cable from its connector on the front PERC module. 2. Loosen the two thumb screws to release the front PERC from the computer chassis. 3. Lift the front PERC module at an angle. 4.

  • Page 43: Installing The Front Perc Module

    Installing the front PERC module 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 PERC module and provide a visual representation of the installation procedure.

  • Page 44: Hard Drive Backplane

    Steps 1. Align and place the front PERC module at an angle into its slot on the computer. 2. Tighten the two thumb screws to secure the front PERC to the computer chassis. 3. Connect the cable to its connector on the front PERC module. Next steps 1.
  • Page 45 Steps 1. Disconnect the backplane power cable from its connector on the hard drive backplane. 2. Press the release tabs to disengage the hard drive backplane from the hooks on the system. 3. Lift to remove the hard drive backplane from the computer. Removing and installing components...

  • Page 46: Installing The Hard Drive Backplane

    Installing the hard drive backplane 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 hard drive backplane and provide a visual representation of the installation procedure.

  • Page 47: Left Control Panel

    Steps 1. Align the slots on the hard drive backplane with the guides on the computer. 2. Slide the hard drive backplane into the guides and lower it until the blue release tab clicks into place. 3. Connect the backplane power cable to its connector on the hard drive backplane. Next steps 1.

  • Page 48: Installing The Left Control Panel

    Steps 1. Disconnect the left control panel cable from its connector on the system board. 2. Remove the eight screws that secure the left control panel to the computer. 3. Remove the cable cover and the left control panel away from the computer. Installing the left control panel Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
  • Page 49 Steps 1. Align and slide the left control panel in the slot on the computer. 2. Route the left control panel cable through the side wall of the computer. 3. Align and slide the left control panel cable cover in the slot on the system. NOTE: Route the cable properly to prevent the cable from being pinched or crimped.

  • Page 50: Right Control Panel

    Right control panel Removing the right control panel Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the system cover. 3. Remove the cooling fan assembly. 4. Remove the shroud. About this task The following images indicate the location of the right control panel and provide a visual representation of the removal procedure.

  • Page 51: Installing The Right Control Panel

    Steps 1. Disconnect the right control panel cable and VGA cable from there connectors on the system board. 2. Remove the eight screws that secure the right control panel to the computer. 3. Remove the cable cover and the right control panel away from the computer. Installing the right control panel Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
  • Page 52 About this task The following images indicate the location of the right control panel and provide a visual representation of the installation procedure. Steps 1. Align and slide the right control panel in the slot on the computer. 2. Route the right control panel cable through the side wall of the computer. 3.

  • Page 53: Left Wall Bracket

    5. Replace the eight screws to secure the right control panel and the cable cover to the system. Next steps 1. Install the shroud. 2. Install the cooling fan assembly. 3. Install the system cover. 4. Follow the procedure in After working inside your computer.

  • Page 54: Installing The Left Wall Bracket

    Steps 1. Press the blue side tabs to release the side wall cable holder. 2. Press the center tab to release the bracket from the chassis, and lift it away from the computer. Installing the left wall bracket 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 left wall bracket and provide a visual representation of the installation procedure.

  • Page 55: Right Wall Bracket

    Right wall bracket Removing the right wall bracket Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the system cover. 3. Remove the cooling fan assembly. 4. Remove the shroud. 5. Remove the right control panel. About this task The following images indicate the location of the right wall bracket and provide a visual representation of the removal procedure.

  • Page 56: Installing The Right Wall Bracket

    Installing the right wall bracket 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 wall bracket and provide a visual representation of the installation procedure.

  • Page 57: Power-Supply Unit

    Power-supply unit Removing the power supply unit blank Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the system cover. About this task The following images indicate the location of the power supply unit blank and provide a visual representation of the removal procedure.

  • Page 58: Removing The Power Supply Unit Adapter

    Next steps 1. Install the system cover. 2. Follow the procedure in After working inside your computer. Removing the power supply unit adapter Remove the PSU adapter, when installing PSU with 86 mm wide form factor. Prerequisites 1. Follow the procedure in Before working inside your computer.

  • Page 59: Removing The Power Supply Unit

    Steps 1. Align and insert the power supply unit adapter. 2. Tighten the screw to secure the power supply unit adapter. Next steps 1. Install the system cover. 2. Follow the procedure in After working inside your computer. Removing the power supply unit Prerequisites 1.

  • Page 60: Installing The Power Supply Unit

    Steps Press the release latch and hold the PSU handle to slide the PSU out of the bay. Installing the power supply unit About this task The following images indicate the location of the power supply unit and provide a visual representation of the installation procedure.

  • Page 61: Memory Modules

    Steps Slide the PSU into the PSU bay until the release latch snaps into place. Next steps 1. Install the system cover. 2. Follow the procedure in After working inside your computer. Memory modules Removing the memory module Prerequisites 1. Follow the procedure in Before working inside your computer.

  • Page 62: Installing The Memory Module

    Steps 1. Pull the securing clips from both side of the memory module until the memory module pops up. 2. Lift to 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 modules and provides a visual representation of the installation procedure.

  • Page 63: Expansion Card

    Steps 1. Align the notch on the memory module with the tab on the memory-module slot. 2. Press the memory module down with your thumbs until the securing clips firmly click into place. NOTE: If you do not hear the click, remove the memory module and reinstall it. Next steps NOTE: AMD graphics cards cannot tie to memory over and including 1 TB.
  • Page 64 Removing and installing components...

  • Page 65: Installing The Riser Card 1

    Steps 1. Hold and pull the blue strip to disconnect the riser card 1 cables from their connectors on the system board. 2. Loosen the captive screws on the riser and computer. 3. Push the release button on the riser and holding the edges lift the riser card 1 from the riser connectors on the system board.
  • Page 66 Removing and installing components...

  • Page 67: Removing The Riser Card 2

    Steps 1. Align the holes on the expansion card riser with the guides on the system board. 2. Push the release button on the riser and holding the edges lower the riser card 1 into its connector on the system board connector.

  • Page 68: Installing The Riser Card 2

    Steps Press the blue release tab on the riser and holding the edges lift the riser card 2 from the riser connector on the system board. Installing the riser card 2 Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. Removing and installing components...
  • Page 69 About this task The following images indicate the location of the riser card 2 and provide a visual representation of the installation procedure. Steps 1. Align the holes on the expansion card riser with the guides on the system board. 2.

  • Page 70: Removing The Riser Card 3

    Next steps 1. Install the shroud. 2. Install the system cover. 3. Follow the procedure in After working inside your computer. Removing the riser card 3 Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the system cover.
  • Page 71 Steps 1. Loosen the captive screw that secures the riser card 3 to the computer. 2. Press the blue release tab on the riser and holding the edges lift the riser card 3 from the riser connector on the system board.

  • Page 72: Installing The Riser Card 3

    Installing the riser card 3 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 riser card 3 and provide a visual representation of the installation procedure. Removing and installing components...

  • Page 73: Removing The Riser Card 4

    Steps 1. Align the holes on the expansion card riser with the guides on the system board. 2. Push the release button on the riser and holding the edges lower the riser card 3 into its connector on the system board connector.
  • Page 74 Steps 1. Loosen the captive screw that secures the riser card 4 to the computer. 2. Press the blue release tab on the riser and holding the edges lift the riser card 4 from the riser connector on the system board.

  • Page 75: Installing The Riser Card 4

    Installing the riser card 4 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 riser card 4 and provide a visual representation of the installation procedure. Removing and installing components...

  • Page 76: System Board

    Steps 1. Align the holes on the expansion card riser with the guides on the system board. 2. Push the release button on the riser and holding the edges lower the riser card 4 into its connector on the system board connector.
  • Page 77 1. Battery SIG connector 2. PCIe connector 9 3. Rear I/O connector 4. Riser 3 power connector 5. Riser 3 - CPU 2 required 6. SATA connector 10 7. TPM Connector 8. OCP NIC 3.0 connector 9. Coin cell battery 10.
  • Page 78 31. Fan 4 32. PCIe connector 3 33. Power connector 1 34. PCIe connector 6 35. Fan 3 36. PCIe connector 5 37. Fan 2 38. PCIe connector 2 39. Fan 1 40. PCIe connector 1 41. Left control panel connector 42.
  • Page 79 Removing and installing components...

  • Page 80: Installing The System Board

    Steps 1. Disconnect all the cables from the system board and make note of all the cable connections. 2. Using the system board holder and plunger, slide the system board towards the front of the computer. 3. At a tilted angle, lift the system board out of the chassis. Installing the system board Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
  • Page 81 Removing and installing components...
  • Page 82 Steps 1. Hold the system board holder and plunger, lower the system board at a tilted angle into the computer. 2. Slide the system board towards the rear of the chassis until the connectors are firmly seated in the slots. 3.
  • Page 83 14. Follow the procedure in After working inside your computer. NOTE: Your computer’s Service Tag is stored in the system board. You must enter the Service Tag in the BIOS setup program after you replace the system board. NOTE: Replacing the system board removes any changes that you have made to the BIOS using the BIOS setup program.

  • Page 84: 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 85: 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 86: System Setup Options

    Depending on your system and its installed devices, the items that are listed in this section may or may not appear. Table 3. System setup options—System information menu Overview Precision 7960 Rack Model Name Displays the model name of the system.
  • Page 87 Table 4. System setup options—Memory Settings menu (continued) Memory Settings Uncorrectable Memory Error Enable or disable the Uncorrectable Memory Error options. By default, the option is Enabled. Correctable Error Logging Enable or disable the Correctable Error Logging options. By default, the option is Disabled. Memory Map Out Table 5.
  • Page 88 Enable or disable the AVX ICCP Pre-Grant License options. By default, the option is Disabled. Dell Controlled Turbo This field allows control of the Dell Controlled Turbo settings. Number of Cores per Processor By default, All drop down is selected.
  • Page 89 Table 5. System setup options—Processor Settings menu (continued) Processor Settings Microcode Displays the Microcode of the system. Processor 2 Family-Model-Stepping Displays the processor Family-Model-Stepping of the system. Brand Displays the processor Brand of the system. Level 2 Cache Displays the Level 2 cache of the system. Level 3 Cache Displays the Level 3 cache of the system.
  • Page 90 Table 8. System setup options—Boot Settings menu (continued) Boot Settings Hard-disk Drive Placeholder Enables or disable the Hard-disk Drive Placeholder . By default, the Disabled option is selected. Clean all SysPrep variables and order Displays the Clean all SysPrep variables and order of the system. By default, the None option is selected.
  • Page 91 Table 9. System setup options—Network Settings menu (continued) Network Settings By default, the Disabled option is selected. ISCSI Device 1 Settings This field controls the configuration for ISCSI device 1. UEFI NVMe-oF Settings NVMe-oF Enables or disable NVMe-oF. By default, the Disabled option is selected. NVMe-oF Host NQN By default, this is blank.
  • Page 92 Table 11. System setup options—Serial Communication menu (continued) Serial Communication Settings Serial Port Address Allows selection of Serial Port Address. By default, the COM1 option is selected. External Serial Connector By default, Serial Device 1 drop down is selected. Failsafe Baud Rate By default, 115200 drop down is selected.
  • Page 93 Table 13. System setup options—System Security menu (continued) System Security Settings Bootmanager Password Allow selection for Bootmanager password. By default, Always option is selected. TPM Security Allow selection for TPM security. By default, On option is selected. - TPM Information By default, the option is Type: 2.0 NTC.

  • Page 94: Updating The Bios

    Enables or disable the Load Legacy Video Option ROM. By default, the Disabled option is selected. Dell Wyse P25/P45 BIOS Access Enables or disable the Dell Wyse P25/P45 BIOS Access. By default, the Enabled option is selected. Power Cycle Request Allows selection of Power Cycle Request.

  • Page 95: Updating The Bios In Windows And Linux

    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 96: 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 97: Assigning A System Setup Password

    Assigning a system setup password Prerequisites You can assign a new System or Admin Password only when the status is in Not Set. About this task To enter the system setup, press F12 immediately after a power-on or reboot. Steps 1.

  • Page 98: 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 99: 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 100: System-Diagnostic Lights

    System-diagnostic lights This section lists the system-diagnostic lights of your Precision 7960 Rack. Table 17. System-diagnostic lights Blinking pattern Problem Suggested description resolution LED6 LED5 LED4 LED3 LED2 LED1 LED0 White White White White Blue White White idrac More than...
  • Page 101 Table 17. System-diagnostic lights (continued) Blinking pattern Problem Suggested description resolution LED6 LED5 LED4 LED3 LED2 LED1 LED0 Blue Blue Blue White White Blue White CPU1 power Replace the fail system board. Blue Blue Blue White White Blue Blue CPU1 power Replace the fail system...
  • Page 102 Table 17. System-diagnostic lights (continued) Blinking pattern Problem Suggested description resolution LED6 LED5 LED4 LED3 LED2 LED1 LED0 e power cable 3. Change Backplan White Blue Blue Blue Blue Blue Blue Backplane 1. Replace power fail system board 2. Change Backplan e power cable...

  • Page 103: 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 104: 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 105: 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 18. 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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