Dell XPS 8920 Service Manual
Dell XPS 8920 Service Manual

Dell XPS 8920 Service Manual

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XPS 8920
Service Manual
Computer Model: XPS 8920
Regulatory Model: D24M
Regulatory Type: D24M001

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Table of Contents
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Summary of Contents for Dell XPS 8920

  • Page 1 XPS 8920 Service Manual Computer Model: XPS 8920 Regulatory Model: D24M Regulatory Type: D24M001...
  • Page 2 WARNING: A WARNING indicates a potential for property damage, personal injury, or death. Copyright © 2017 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, 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 Before working inside your computer......10 ..................10 Before you begin ...................10 Safety instructions ................. 11 Recommended tools ....................12 Screw list After working inside your computer......14 Technical overview............15 ..............16 Inside view of your computer ..............17 System-board components Removing the right-side cover........19 ....................
  • Page 4 Removing the bottom cover.........26 ....................26 Prerequisites ....................26 Procedure Replacing the bottom cover......... 28 ....................28 Procedure ..................28 Post-requisites Removing the front bezel ..........29 ................... 29 Prerequisites ....................30 Procedure Replacing the front bezel..........32 ....................32 Procedure ..................32 Post-requisites Removing the primary hard-drive.........33 ....................33...
  • Page 5 Removing the secondary hard-drive......42 ....................42 Prerequisites ....................42 Procedure Replacing the secondary hard-drive......46 ..................46 Post-requisites ....................46 Procedure Removing the solid-state drive........47 ....................47 Prerequisites ....................47 Procedure Replacing the solid-state drive........49 ....................49 Procedure ..................50 Post-requisites Removing the power-supply unit........52 ...................
  • Page 6 Removing the chassis fan..........60 ................... 60 Prerequisites ....................60 Procedure Replacing the chassis fan..........63 ....................63 Procedure ..................63 Post-requisites Removing the graphics card.........65 ................... 65 Prerequisites ....................65 Procedure Replacing the graphics card......... 67 ....................67 Procedure ..................67 Post-requisites Removing the full-length graphics cards......
  • Page 7 Removing the optical drive........... 77 ...................77 Prerequisites ....................77 Procedure Replacing the optical drive........... 81 ....................81 Procedure ................... 81 Post-requisites Removing the power-button module......82 ....................82 Prerequisites ....................82 Procedure Replacing the power-button module......84 ....................84 Procedure ..................84 Post-requisites Removing the top I/O-panel........
  • Page 8 Removing the processor fan and heat-sink assembly... 95 ................... 95 Prerequisites ....................95 Procedure Replacing the processor fan and heat-sink assembly... 97 ....................97 Procedure ..................97 Post-requisites Removing the processor..........98 ................... 98 Prerequisites ....................98 Procedure Replacing the processor..........100 ....................100 Procedure ..................102...
  • Page 9 Clearing forgotten passwords ..................122 Prerequisites ..................122 Procedure ................. 124 Post-requisites ................ 125 Clearing CMOS settings ..................125 Prerequisites ..................125 Procedure ................. 127 Post-requisites Diagnostics..............128 Getting help and contacting Dell.........129 ................129 Self-help resources ..................129 Contacting Dell...
  • Page 10: Before Working Inside Your Computer

    WARNING: Before working inside your computer, read the safety information that shipped with your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. WARNING: Disconnect all power sources before opening the computer cover or panels. After you finish working inside the computer, replace all...
  • Page 11: Recommended Tools

    CAUTION: 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 shipped with the product or at www.dell.com/...
  • Page 12: Screw List

    Screw list The following table provides the list of screws that are used for securing different components to the computer. Table 1. Screw list Component Secured to Screw type Quantity Screw image Hard drive Hard-drive #6-32x1/4'' bracket Hard-drive Chassis #6-32x1/4'' 6 (two per cage hard-drive...
  • Page 13 Component Secured to Screw type Quantity Screw image System board Chassis #6-32x1/4''...
  • Page 14: After Working Inside Your Computer

    After working inside your computer CAUTION: Leaving stray or loose screws inside your computer may severely damage your computer. Replace all screws and ensure that no stray screws remain inside your computer. Connect any external devices, peripherals, or cables you removed before working on your computer.
  • Page 15: Technical Overview

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance.
  • Page 16: Inside View Of Your Computer

    Inside view of your computer chassis fan memory module optical drive power-supply unit front bezel graphics card system board processor fan and heat-sink assembly...
  • Page 17: System-Board Components

    System-board components system board power connector USB 2 (F_SSUSB2) (ATX_POWER) USB 1 (F_SSUSB1) SATA 6 Gbps for hard drive (SATA1) SATA 6 Gbps for optical drive SATA 6 Gbps drive connector (SATA2) (SATA3) SATA 6 Gbps drive connector solid-state drive slot (M.2 SSD) (SATA4) front I/O panel (F_PANEL) media card reader connector...
  • Page 18 CMOS-reset jumper (CMOS password-reset jumper JUMPER) (PASSWORD JUMPER) PCI-Express x16 card slot (SLOT1) PCI-Express x1 card slots (SLOT 2 and SLOT 3) PCI-Express x4 card slot (SLOT 4) front audio connector (F_audio) wireless-card slot (M.2_SLOT1) CPU power cable (ATX_CPU) chassis-fan connector (TOP_FAN) processor socket processor release latch processor-fan connector...
  • Page 19: Removing The Right-Side Cover

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure Place the computer in an upright position. Pull the right-side cover release latch.
  • Page 20 Remove the right-side cover from the chassis. Figure 1. Removing the right-side cover right-side cover release latch chassis right-side cover...
  • Page 21: Replacing The Right-Side Cover

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance.
  • Page 22: Procedure

    Procedure Align the tabs on the right-side cover with the slots on the chassis and snap the side-cover to lock it in place. Figure 2. Right-side cover replacement slots tabs chassis right-side cover...
  • Page 23: Removing The Top Cover

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites Remove the right-side cover. Procedure Place the computer in an upright position.
  • Page 24 Pry the cover from the back corner and lift the top cover away from the chassis. Figure 3. Removing the top cover top cover chassis...
  • Page 25: Replacing The Top Cover

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure Align the tabs on the top cover with the slots on the top panel and press the top cover until it snaps into place.
  • Page 26: Removing The Bottom Cover

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites Remove the right-side cover. Procedure Place the computer with the bottom facing up.
  • Page 27 Pry and lift the bottom cover away from the chassis. Figure 4. Removing the bottom cover bottom cover chassis...
  • Page 28: Replacing The Bottom Cover

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure Align the tabs on the bottom cover with the slots on the bottom panel and press the bottom cover until it snaps in place.
  • Page 29: Removing The Front Bezel

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites Remove the right-side cover.
  • Page 30: Procedure

    Procedure Pry the optical-drive bezel from the optical drive. Figure 5. Removing the optical drive bezel optical-drive bezel front bezel Release the front-bezel tabs sequentially from the top, one at a time by moving them away from the front chassis.
  • Page 31 Rotate and pull the front bezel away from the front of the chassis to release the front-bezel. Figure 6. Removing the front bezel front-bezel tabs front bezel front chassis...
  • Page 32: Replacing The Front Bezel

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure Align the tabs on the front bezel with the slots on the chassis. Rotate the front bezel towards the chassis until the front bezel tabs snap into place.
  • Page 33: Removing The Primary Hard-Drive

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. CAUTION: Hard drives are fragile. Exercise care when handling the hard drive. CAUTION: To avoid data loss, do not remove the hard drive while the computer is in sleep or on state.
  • Page 34 Press the release tabs on the hard-drive carrier and slide the hard-drive carrier out of the hard-drive cage. Figure 7. Removing the hard-drive assembly data cable power cable hard-drive cage release tabs hard-drive carrier Pry the hard-drive carrier to release the tabs on the carrier from the slots on the hard drive.
  • Page 35 Lift the hard drive off the hard-drive carrier. NOTE: Note the orientation of the hard drive to replace it correctly. Figure 8. Removing the hard drive from the bracket hard drive hard-drive carrier tabs...
  • Page 36: Replacing The Primary Hard-Drive

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. CAUTION: Hard drives are fragile. Exercise care when handling the hard drive. Procedure (with tabs) Place the hard drive into the hard-drive carrier and align the tabs on the bracket with the slots on the hard drive.
  • Page 37: Removing The Primary Hard-Drive

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. CAUTION: Hard drives are fragile. Exercise care when handling the hard drive. CAUTION: To avoid data loss, do not remove the hard drive while the computer is in sleep or on state.
  • Page 38 Remove the screws that secure the hard-drive cage to the chassis. Figure 9. Disconnecting cables #6-32x1/4'' screws (2) hard drive hard-drive cage data cable power cable...
  • Page 39 Lift the hard-drive cage off the chassis. Figure 10. Removing the hard-drive cage hard-drive cage hard-drive assembly Remove the screws that secure the hard drive to the hard-drive cage.
  • Page 40 Lift the hard drive off the hard-drive cage. NOTE: Note the orientation of the hard drive to replace it correctly. Figure 11. Removing the hard drive from the bracket #6-32 X 1/4'' screws (4) hard drive hard-drive cage...
  • Page 41: Replacing The Primary Hard-Drive

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. CAUTION: Hard drives are fragile. Exercise care when handling the hard drive. Procedure Place the hard drive into the hard-drive cage.
  • Page 42: Removing The Secondary Hard-Drive

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. CAUTION: Hard drives are fragile. Exercise care when handling the hard drive. CAUTION: To avoid data loss, do not remove the hard drive while the computer is in sleep or on state.
  • Page 43 Remove the screws that secure the hard-drive cage to chassis. #6-32 X 1/4'' screws (2) hard drive hard-drive cage power cable data cable...
  • Page 44 Lift the hard drive cage off the chassis. hard drive hard-drive cage Remove the screws that secure the hard drive to the hard-drive cage.
  • Page 45 Lift the hard drive out of the hard drive cage. NOTE: Note the orientation of the hard drive so that you can replace it correctly. #6-32 X 1/4'' screws (4) hard drive hard-drive cage...
  • Page 46: Replacing The Secondary Hard-Drive

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. CAUTION: Hard drives are fragile. Exercise care when handling the hard drive. Post-requisites...
  • Page 47: Removing The Solid-State Drive

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. CAUTION: Solid-state drives are fragile. Exercise care when handling the solid-state drive. CAUTION: To avoid data loss, do not remove the solid-state drive while the computer is in sleep or on state.
  • Page 48 Slide and lift the solid-state drive off the system board. For more information, see “System-board components”. Figure 12. Removing the solid-state drive solid-state drive solid-state drive slot system board M2x2.5 screw...
  • Page 49: Replacing The Solid-State Drive

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. CAUTION: Solid-state drives are fragile. Exercise care when handling the solid-state drive. Procedure Align the notch on the solid-state drive with the tab on the solid-state drive slot.
  • Page 50: Post-Requisites

    Replace the screw that secures the solid-state drive to the system board. Figure 13. Replacing the solid-state drive notch solid-state drive slot solid-state drive system board M2 X 2.5 screw Post-requisites Replace the full-length graphics card (if installed).
  • Page 51 Replace the right-side cover.
  • Page 52: Removing The Power-Supply Unit

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites Remove the right-side cover. Procedure NOTE: Note the routing of all cables as you remove them so that you can reroute them correctly after you replace the power supply.
  • Page 53 Rotate the power-supply unit cage away from the chassis. Figure 14. Rotating the power-supply unit power-supply unit cage release power-supply unit latches (2) chassis power-supply unit cage Disconnect the CPU-power cable and system board power cable from the system board and the optical-drive power cable from the optical drive. For more information, see “System-board components”.
  • Page 54 Remove the system-board power cable from the routing guide on the chassis. Figure 15. Disconnecting cables optical drive power cable routing guide CPU power cable system board system board power cable Rotate the power-supply unit cage towards the chassis. Disconnect the hard-disk power cable. NOTE: There could be up to three hard-disk power cables depending on the quantity of hard-disk drive installed.
  • Page 55 10 Lift the power-supply bracket off the chassis. Lift the power-supply unit off the chassis. Figure 16. Removing the power supply unit #6-32x1/4'' screws (4) power-supply unit power-supply bracket #6-32x1/4'' screws (2) hard-drive cable...
  • Page 56: Replacing The Power-Supply Unit

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure Place the power supply on the power-supply unit cage. Replace the screws that secure the power-supply unit to the power-supply unit cage.
  • Page 57: Removing The Coin-Cell Battery

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. CAUTION: Removing the coin-cell battery resets the BIOS setup program’s settings to default. It is recommended that you note the BIOS setup program’s settings before removing the coin-cell battery.
  • Page 58 Lift the coin-cell battery out of its socket. Figure 17. Removing the coin cell battery plastic scribe coin-cell battery coin-cell battery socket battery-release lever...
  • Page 59: Replacing The Coin-Cell Battery

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure Insert the coin-cell battery into the battery socket with the positive side facing up, and snap the battery into place.
  • Page 60: Removing The Chassis Fan

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites Remove the right-side cover. Follow the procedure from step 1 to step 2 in “Removing the power-supply...
  • Page 61 Lift the chassis-fan assembly off the chassis. Figure 18. Removing the chassis fan routing guide chassis-fan bracket #6-32x1/4'' screw chassis chassis-fan cable system board chassis fan Push the rubber grommets through the holes at each corner of the fan to release the chassis-fan from the bracket.
  • Page 62 Lift the chassis-fan off the chassis-fan bracket. Figure 19. Removing the chassis fan chassis-fan bracket chassis-fan...
  • Page 63: Replacing The Chassis Fan

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure Align the holes on the chassis fan with the rubber grommets on the chassis-fan bracket.
  • Page 64 Replace the right-side cover.
  • Page 65: Removing The Graphics Card

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites NOTE: Your computer will be shipped with either graphics card or full-length graphics card.
  • Page 66 Push the securing tab on the PCIe slot away from the graphics card, grasp the card by its top corner, and ease it out of the slot. Figure 20. Removing the graphics card securing tab system board graphics card slot graphics card...
  • Page 67: Replacing The Graphics Card

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure Locate the PCI-Express x16 card slot on the system board. For more information, see “System-board...
  • Page 68: Removing The Full-Length Graphics Cards

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites NOTE: Your computer will be shipped with either graphics card or full-length graphics card.
  • Page 69: Procedure

    Procedure Lift to release the graphics-card bracket from the chassis. Figure 21. Removing the graphics-card bracket graphics-card bracket chassis Press the releasing clip on the power-cable connectors and disconnect the power cables from the graphics card.
  • Page 70 Push the securing tab on the PCIe slot away from the graphics card, grasp the card by its top corner, and ease it out of the slot. Figure 22. Removing the power cable power cables releasing clips (2) graphics card securing tab...
  • Page 71: Replacing The Full-Length Graphics Cards

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure Align the full-length graphics card with the slot on the system board. Place the card into the slot and press down firmly until the full-length graphics card snaps into place.
  • Page 72: Removing The Memory Modules

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites Remove the right-side cover. Follow the procedure from step 1 to step 2 in “Removing the power-supply...
  • Page 73 Grasp the memory module near the securing clip, and then gently ease the memory module out of the memory-module slot. CAUTION: If the memory module is difficult to remove, gently ease the memory module back and forth to remove it from the slot. NOTE: Repeat step 2 to step 3 to remove any other memory modules installed in your computer.
  • Page 74: Replacing The Memory Modules

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure Align the notch on the memory module with the tab on the memory-module slot.
  • Page 75 Insert the memory module into the memory-module slot, and press the memory module straight until it snaps into position and the securing clips lock in place. NOTE: If you do not hear the click, remove the memory module and reinstall it. Figure 24.
  • Page 76: Post-Requisites

    NOTE: Use slots DIMM1 and DIMM3 if you need to use two memory modules. For more information, see System-board components. The following table lists the available memory configuration matrix: Table 2. Memory configuration matrix Slot Configuration DIMM1 DIMM2 DIMM3 DIMM4 8 GB 4 GB 4 GB...
  • Page 77: Removing The Optical Drive

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites Remove the right-side cover. Follow the procedure from step 1 to step 2 in “Removing the power-supply...
  • Page 78 Push to slide out the optical drive through the front of the computer. Figure 25. Removing the optical drive power cable data cable optical drive optical-drive cage release tab...
  • Page 79 Push and slide the optical drive through the front of the computer. Figure 26. Removing the optical drive optical-drive bezel optical drive front bezel...
  • Page 80 Remove the screw that secures the optical-drive bracket to the optical drive. Figure 27. Removing the optical drive M2x2.5 screw optical-drive bracket optical drive...
  • Page 81: Replacing The Optical Drive

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure Align the screw hole on the optical-drive bracket with the screw hole on the optical drive.
  • Page 82: Removing The Power-Button Module

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites Remove the right-side cover. Remove the cover.
  • Page 83 Remove the cable from the slot on top of the chassis. Figure 28. Disconnect the power-button module cable system board chassis routing guide #6-32x1/4'' screw power-button module power-button module cable...
  • Page 84: Replacing The Power-Button Module

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure Route the cable through the slot on the top of the chassis. Align the screw hole on the power-button module with the screw hole on the chassis.
  • Page 85: Removing The Top I/O-Panel

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites Remove the right-side cover. Remove the front bezel.
  • Page 86 Remove the cables through the slot at the top of the chassis. Figure 29. Disconnecting the cables I/O-panel cables (2) routing guide chassis top I/O panel bracket Remove the screws that secure the top I/O-panel to the chassis.
  • Page 87 Lift the top I/O-panel bracket from the chassis. Figure 30. Removing the USB panel #6-32x1/4'' (4) top I/O-panel bracket chassis...
  • Page 88: Replacing The Top I/O-Panel

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure Align the screw holes on the top I/O-panel with the screw holes on the chassis. Replace the screws that secure the top I/O-panel to the top chassis.
  • Page 89: Removing Blower And Heat-Sink Assembly

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. WARNING: The heat sink may become hot during normal operation. Allow sufficient time for the heat sink to cool before you touch it.
  • Page 90 Lift the blower off the heat-sink assembly and place it to the side. Figure 31. Removing the blower #6-32x1/4'' screws (3) blower In a non-adjacent sequence, loosen the captive screws that secure the heat-sink assembly to the system board.
  • Page 91 Lift the heat-sink assembly off the system board. Figure 32. Removing the captive screws heat-sink assembly captive screws (4) system board...
  • Page 92 Disconnect the blower cable from the system board. For more information, see “System-board components”. Figure 33. Removing the blower cable system board blower cable blower...
  • Page 93: Replacing Blower And Heat-Sink Assembly

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure CAUTION: If either the processor or the heat-sink assembly is replaced, use the thermal grease provided in the kit to make sure that thermal conductivity is achieved.
  • Page 94 Replace the right-side cover.
  • Page 95: Removing The Processor Fan And Heat-Sink Assembly

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. WARNING: The heat sink may become hot during normal operation. Allow sufficient time for the heat sink to cool before you touch it.
  • Page 96 Lift the processor fan and heat-sink assembly off the system board. Figure 34. Removing the processor fan and heat sink processor-fan cable captive screws (4) processor fan and heat-sink system board assembly...
  • Page 97: Replacing The Processor Fan And Heat-Sink Assembly

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure CAUTION: If either the processor or the heat-sink assembly is replaced, use the thermal grease provided in the kit to make sure that thermal conductivity is achieved.
  • Page 98: Removing The Processor

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites Remove the right-side cover. Follow the procedure from step 1 to step 2 in “Removing the power-supply...
  • Page 99 Gently lift the processor and remove it from the processor socket. Figure 35. Removing processor processor release-lever securing tab processor cover processor socket processor...
  • Page 100: Replacing The Processor

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. CAUTION: If either the processor or the heat sink is replaced, use the thermal grease provided in the kit to ensure that thermal conductivity is achieved.
  • Page 101 Pivot the release-lever down and place it under the tab on the processor cover. Figure 36. Replacing processor processor socket processor securing tab processor cover release lever...
  • Page 102: Post-Requisites

    Post-requisites Replace the blower and heat-sink assembly. (if installed) Replace the processor fan and heat-sink assembly. Follow the procedure from step 9 to step 10 in “Replacing the power-supply unit”. Replace the right-side cover.
  • Page 103: Removing The Wireless Card

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites Remove the right-side cover. Follow the procedure from step 1 to step 2 in “Removing the power-supply...
  • Page 104 Slide and lift the wireless card off the system board. Figure 37. Removing the wireless card M2x2.5 screw wireless-card bracket antenna cables (2) system board wireless-card slot wireless card...
  • Page 105: Replacing The Wireless Card

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure CAUTION: To avoid damaging the wireless card, do not place any cables under it.
  • Page 106: Post-Requisites

    Replace the screw that secures the wireless-card bracket to the wireless card and the system board. Figure 38. Replacing the wireless card wireless card notch (2) system board wireless card slot wireless card bracket antenna cables M2x2.5 screw Post-requisites Follow the procedure from step 9 to step 10 in “Replacing the power-supply unit”.
  • Page 107: Removing The Antenna

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites Remove the right-side cover. Follow the procedure from step 1 to step 2 in “Removing the power-supply...
  • Page 108 Note the antenna-cable routing and remove the antenna cables from the routing guides on the chassis. Figure 39. Disconnecting the antenna cables antenna cable securing clip chassis routing guide...
  • Page 109 Using a plastic scribe, pry the antenna off the chassis. Figure 40. Removing the antenna plastic scribe antenna (2) routing guide chassis antenna cables...
  • Page 110: Replacing The Antenna

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure Adhere the antenna to the chassis. Route the antenna cables through the slot on the top of the chassis.
  • Page 111: Removing The System Board

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. 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.
  • Page 112 Make note of the cable routing and remove the cables from the routing guides. Remove the screws that secure the system board to the chassis. Lift the system board at an angle and remove it from the computer. Figure 41. Removing the system board system board #6-32x1/4'' screws (8) chassis...
  • Page 113: Replacing The System Board

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. 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.
  • Page 114 Replace the right-side cover.
  • Page 115: Flashing The Bios

    You may need to flash (update) the BIOS when an update is available or when you replace the system board. To flash the BIOS: Turn on your computer. Go to www.dell.com/support. Click Product support, enter the Service Tag of your computer, and then click Submit.
  • Page 116: Bios Setup Program

    Entering BIOS setup program Turn on (or restart) your computer. During POST, when the DELL logo is displayed, watch for the F2 prompt to appear, and then press F2 immediately. NOTE: The F2 prompt indicates that the keyboard is initialized. This prompt can appear very quickly, so you must watch for it, and then press F2.
  • Page 117 Table 4. System setup options—Main menu Main System Date Displays the current date in mm/dd/ yyyy format. System Time Displays the current time in hh:mm:ss format. BIOS Information BIOS Version Displays the BIOS version number. Product Information Product Name Displays the product name. Service Tag Allows you to enter the service tag of your computer.
  • Page 118 Table 5. System setup options—Advanced menu Advanced Advanced BIOS Features Intel SpeedStep Technology Allows you to enable or disable Intel Speedstep Technology. Default: Enabled. NOTE: If enabled, the processor clock speed and core voltage are adjusted dynamically based on the processor load.
  • Page 119 Advanced AC Recovery Sets what action the computer takes when power is restored. Deep Sleep Control Allows you to define the controls when Deep Sleep is enabled. USB Wake Support (S3) Allows you to enable the USB devices to wake the computer from Standby. USB PowerShare (S4/S5) Allows you to charge external devices.
  • Page 120 SupportAssist System Resolution Auto OS Recovery Threshold Control the automatic boot flow for SupportAssist System Resolution Console and for the Dell OS Recovery tool. SupportAssist OS Recovery Enable or disable the boot flow for the SupportAssist OS Recovery tool when certain system errors.
  • Page 121 Table 7. System setup options—Boot menu Boot Boot List Option Displays the available boot devices. File Browser Add Boot Option Allows you to set the boot path in the boot option list. File Browser Del Boot Option Allows you to delete the boot path in the boot option list.
  • Page 122: Clearing Forgotten Passwords

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites Remove the right side-cover. Follow the procedure from step 1 to step 3 in “Removing the power-supply...
  • Page 123 Remove the jumper plug from the password jumper-pins. Figure 42. Removing the jumper plug jumper plug Power on without the jumper plug to clear the password.
  • Page 124: Post-Requisites

    Wait until the desktop is loaded and then shut down the system and replace the jumper plug in its original location. Figure 43. Clearing the password jumper plug Post-requisites Replace the right side-cover.
  • Page 125: Clearing Cmos Settings

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites Remove the right side-cover. Follow the procedure from step 1 to step 3 in “Removing the power-supply...
  • Page 126 Wait for 5 seconds and then replace the jumper plug to the password jumper- pins (PSWD). Figure 44. Clearing the CMOS jumper plug CMOS jumper-pins password jumper-pins (PSWD)
  • Page 127: Post-Requisites

    Post-requisites Replace the right side-cover. Follow the procedure from step 9 to step 10 in “Replacing the power-supply unit”.
  • Page 128: Diagnostics

    Diagnostics The computer POST (Power On Self Test) ensures that it meets the basic computer requirements and the hardware is working appropriately before the boot process begins. If the computer passes the POST, the computer continues to start in a normal mode.
  • Page 129: 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 10. Self-help resources Information about Dell products and www.dell.com services Dell Help & Support app Get started app...
  • Page 130 NOTE: Availability varies by country and product, and some services may not be available in your country. NOTE: If you do not have an active internet connection, you can find contact information on your purchase invoice, packing slip, bill, or Dell product catalog.

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