Dell™ XPS™ L401X Service Manual Regulatory model: P12G series Regulatory type: P12G001
Notes, Cautions, and Warnings NOTE: A NOTE indicates important information that helps you make better use of your computer. CAUTION: A CAUTION indicates potential damage to hardware or loss of data if instructions are not followed. WARNING: A WARNING indicates a potential for property damage, personal injury, or death. ____________________ Information in this document is subject to change without notice. © 2010 Dell Inc. All rights reserved.
Contents 1 Before You Begin . . . . . . . . . . . . . . . . . . . . 9 Recommended Tools . . . . . . . . . . . . . . . . . . . . 9 Turning Off Your Computer . . . . . . . . . . . . . . . . . Before Working Inside Your Computer 2 3 4 5 Battery . 9 . . . . . . . . . 10 . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Removing the Battery . . . . . . . . . . . . . . . . . . 13 Replacing the Battery . . . . . . . . . . . . . . . . . . 14 . . . . . . . . . . . . . . . . .
Replacing the Hard Drive 6 7 Optical Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Replacing the Optical Drive . . . . . . . . . . . . . . . 33 Palm-Rest Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . Replacing the Palm-Rest Assembly . 9 Keyboard 35 35 38 41 Removing the Keyboard . . . . . . . . . . . . . . . . . 41 Replacing the Keyboard . . . . . . . . . . . . . . . . . 43 Power-Button Board . . . . .
11 Display . . . . . . . . . . . . . . . . . . . . . . . . . . . Display Assembly . . . . . . . . . . . . . . . . . . . . Removing the Display Assembly . . . . . . . . . . Replacing the Display Assembly . Display Bezel 53 53 53 . . . . . . . . . 55 . . . . . . . . . . . . . . . . . . . . . . 56 Removing the Display Bezel . . . . . . . . . . . . 56 Replacing the Display Bezel . . . . . . . . . . . . 57 . . . . . . . . . . . . . . . . . . . . . .
14 Speakers . . . . . . . . . . . . . . . . . . . . . . . . 75 Removing the Speakers . . . . . . . . . . . . . . . . . 75 Replacing the Speaker . . . . . . . . . . . . . . . . . . 76 15 Processor Fan and Heat-Sink Assembly 79 Removing the Processor Fan and Heat-Sink Assembly . 79 Replacing the Processor Fan and Heat-Sink Assembly. 82 16 Processor Module . . . . . . . . . . . . . . . . . 85 Removing the Processor Module . . . . . . . . . . . . 85 Replacing the Processor Module . . . . . .
Replacing the AC-Adapter Connector . 19 System Board 98 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101 Removing the System Board . . . . . . . . . . . . . . . 101 Replacing the System Board. . . . . . . . . . . . . . . 104 Entering the Service Tag in the BIOS 20 Flashing the BIOS 105 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Contents
1 Before You Begin This manual provides procedures for removing and installing the components in your computer. Unless otherwise noted, each procedure assumes that the following conditions exist: • You have performed the steps in "Turning Off Your Computer" on page 9 and "Before Working Inside Your Computer" on page 10. • You have read the safety information that shipped with your computer.
Before Working Inside Your Computer Use the following safety guidelines to help protect your computer from potential damage and to help to ensure your own personal safety. WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.
6 Disconnect all attached devices from your computer. CAUTION: To help prevent damage to the system board, remove the main battery (see "Removing the Battery" on page 13) before working inside the computer. 7 Remove the battery (see "Removing the Battery" on page 13). 8 Turn the computer top-side up, open the display, and press the power button to ground the system board.
Before You Begin
2 Battery WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™ is not covered by your warranty.
2 1 1 battery release latch 2 battery Replacing the Battery CAUTION: To avoid damage to the computer, use only the battery designed for this particular Dell computer. 1 Follow the instructions in "Before You Begin" on page 9. 2 Align the tabs on the battery with the slots in the battery bay and press the battery down until it clicks into place.
3 Memory Module(s) WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™ is not covered by your warranty.
4 3 2 1 1 tabs (5) 2 memory-module cover 3 captive screws (2) 4 base cover CAUTION: To help prevent damage to the memory-module connector, do not use tools to spread the memory module securing clips. 5 Use your fingertips to carefully spread apart the securing clips on each end of the memory-module connector until the memory module pops up.
1 3 2 1 memory-module connector 3 memory module 2 securing clips (2) 6 Remove the memory module from the memory-module connector. Replacing the Memory Module(s) CAUTION: If you need to install memory modules in two connectors, install a memory module in the connector labeled "DIMM A" before you install a memory module in the connector labeled "DIMM B". 1 Follow the instructions in "Before You Begin" on page 9. 2 Align the notch in the memory module with the tab in the memorymodule connector.
3 Slide the memory module firmly into the memory-module connector at a 45-degree angle, and press the memory module down until it clicks into place. If you do not hear the click, remove the memory module and reinstall it. NOTE: If the memory module is not installed properly, the computer may not boot. 3 2 1 1 tab 2 3 memory-module connector notch 4 Align the tabs on the memory-module cover with the slots on the base cover and snap the memory-module cover into place.
Click Start → Control Panel→ System and Security→ System. CAUTION: Before turning on the computer, replace all screws and ensure that no stray screws remain inside the computer. Failure to do so may result in damage to the computer.
Memory Module(s)
Wireless Mini-Card(s) 4 WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™ is not covered by your warranty.
4 Pry out the Mini-Card cover using your finger. 3 2 1 1 captive screw 3 tabs (4) 2 Mini-Card cover 5 Disconnect the antenna cables from the Mini-Card(s). 6 Remove the screw that secures the Mini-Card to the system board. NOTE: Your computer can only support either a WWAN Mini-Card or a TV tuner module in the full Mini-Card slot at a time.
4 3 2 1 1 antenna cables (2) 2 Mini-Card 3 screw 4 system-board connector 7 Lift the Mini-Card(s) out of the system-board connector.
CAUTION: When the Mini-Card is not in the computer, store it in protective antistatic packaging. For more information, see "Protecting Against Electrostatic Discharge" in the safety information that shipped with your computer. Replacing the Mini-Card(s) 1 Follow the instructions in "Before You Begin" on page 9. 2 Remove the new Mini-Card from its packaging. CAUTION: Use firm and even pressure to slide the card into place. If you use excessive force, you may damage the connector.
3 Insert the Mini-Card connector at a 45-degree angle into the system-board connector. 4 Press the other end of the Mini-Card down into the slot on the system board and replace the screw that secures the Mini-Card to the system board. 5 Connect the appropriate antenna cables to the Mini-Card you are installing. The following table provides the antenna cable color scheme for the Mini-Cards supported by your computer.
Wireless Mini-Card(s)
5 Hard Drive WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. WARNING: If you remove the hard drive from the computer when the drive is hot, do not touch the metal housing of the hard drive. CAUTION: Only a certified service technician should perform repairs on your computer.
5 Insert a plastic scribe into the slot on the base cover and push the hard-drive out. 6 Slide the hard drive out of the hard-drive bay. 1 2 3 4 1 plastic scribe 2 screws (2) 3 hard drive 4 base cover Replacing the Hard Drive 1 Follow the instructions in "Before You Begin" on page 9. 2 Remove the new hard drive from its packaging. Save the original packaging for storing or shipping the hard drive. 3 Slide the hard drive into the hard-drive bay until it is fully seated.
6 Replace the battery (see "Replacing the Battery" on page 14). CAUTION: Before turning on the computer, replace all screws and ensure that no stray screws remain inside the computer. Failure to do so may result in damage to the computer.
Hard Drive
6 Optical Drive WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™ is not covered by your warranty.
4 3 2 1 1 optical drive 2 base cover 3 screw 4 plastic scribe 7 Lift and pull the optical-drive bezel to remove it from the optical drive. 8 Remove the two screws that secure the optical-drive bracket to the optical drive. 9 Remove the optical-drive bracket.
1 2 3 1 optical-drive bezel 2 optical drive 3 optical-drive bracket 4 screws (2) 4 Replacing the Optical Drive 1 Follow the instructions in "Before You Begin" on page 9. 2 Align the screw holes on the optical-drive bracket with the screw holes on the optical drive. 3 Replace the two screws that secure the optical-drive bracket to the optical drive. 4 Snap the optical-drive bezel onto the optical drive. 5 Slide the optical drive into the optical-drive bay until it is fully seated.
CAUTION: Before turning on the computer, replace all screws and ensure that no stray screws remain inside the computer. Failure to do so may result in damage to the computer.
7 Palm-Rest Assembly WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™ is not covered by your warranty.
1 1 base cover 7 Turn the computer over and open the display as far as possible. 8 Using your fingertip, gently push the tab to release the palm-rest assembly.
2 1 1 tab 2 palm-rest assembly 9 Using your fingertips, gently ease the palm-rest assembly from the computer base. 10 Without pulling hard on the palm-rest assembly, place it away from the display as shown in the illustration below.
11 Lift the connector latch and pull the pull-tab to disconnect the touch-pad cable from the system-board connector. 12 Disconnect the control-strip cable from the system-board connector. CAUTION: Carefully separate the palm-rest assembly from the computer base to avoid damage to the palm-rest assembly. 13 Lift the palm-rest assembly off the computer base.
2 Connect the control-strip cable to the system-board connector. 3 Slide the touch-pad cable into the system-board connector and press down on the connector latch to secure the cable. 4 Align the three tabs on the palm-rest assembly with the slots on the top cover and gently snap the palm-rest assembly into place. 5 Close the display and turn the computer over. 6 Replace the seven screws that secure the palm-rest assembly to the base cover.
Palm-Rest Assembly
8 Keyboard WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™ is not covered by your warranty.
CAUTION: Be extremely careful when removing and handling the keyboard. Failure to do so could result in scratching the display panel. 1 2 3 4 5 6 1 screws (2) 2 keyboard 3 top cover 4 keyboard cable 5 connector tabs (2) 6 system-board connector 9 Without pulling hard on the keyboard, carefully lift the keyboard and slide the keyboard tabs out of the slots on the top cover.
10 Note the routing of the keyboard cable and remove the cable from the routing guide on the top cover. 11 Push the connector tabs up and pull the pull-tab to disconnect the keyboard backlight cable from the system-board connector. 1 2 3 4 5 1 keyboard 2 tabs (4) 3 top cover 4 connector tabs (2) 5 keyboard backlight cable 12 Lift the keyboard off the top cover. Replacing the Keyboard 1 Follow the instructions in "Before You Begin" on page 9.
2 Slide the keyboard backlight cable into the system-board connector and press the connector tabs into the connector to secure the cable. 3 Route the keyboard cable through the routing guide on the top cover. 4 Slide the keyboard cable into the system-board connector and press the connector tabs into the connector to secure the cable. 5 Slide the tabs on the keyboard into the slots on the top cover and lower the keyboard into place. 6 Replace the two screws that secure the keyboard to the top cover.
9 Power-Button Board WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™ is not covered by your warranty.
12 Lift the power-button board off the top cover. 1 5 2 3 4 1 screw 2 power-button board 3 system-board connector 4 display cable 5 top cover Replacing the Power-Button Board 1 Follow the instructions in "Before You Begin" on page 9. 2 Use the alignment post to place the power-button board on the top cover. 3 Replace the screw that secures the power-button board to the top cover. 4 Connect the power button-board cable to the system-board connector.
5 Connect the display cable to the system-board connector. 6 Replace the keyboard (see "Replacing the Keyboard" on page 43). 7 Replace the palm-rest assembly (see "Replacing the Palm-Rest Assembly" on page 38). 8 Follow the instructions from step 5 to step 6 in "Replacing the Optical Drive" on page 33. 9 Replace the hard drive (see "Replacing the Hard Drive" on page 28). 10 Replace the memory module(s) (see "Replacing the Memory Module(s)" on page 17).
Power-Button Board
10 Coin-Cell Battery WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™ is not covered by your warranty.
2 1 1 coin-cell battery 2 coin-cell battery cable Replacing the Coin-Cell Battery 1 Follow the instructions in "Before You Begin" on page 9. 2 Connect the coin-cell battery cable to the system-board connector. 3 With the adhesive side of the coin-cell battery facing down, press the coin-cell battery on the slot on the top cover. 4 Replace the palm-rest assembly (see "Replacing the Palm-Rest Assembly" on page 38).
7 Replace the memory module(s) (see "Replacing the Memory Module(s)" on page 17). 8 Replace the battery (see "Replacing the Battery" on page 14). CAUTION: Before turning on the computer, replace all screws and ensure that no stray screws remain inside the computer. Failure to do so may result in damage to the computer.
Coin-Cell Battery
Display 11 WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™ is not covered by your warranty.
1 1 base cover CAUTION: Be extremely careful when opening the display to prevent damaging the display assembly. 10 Turn the computer over and open the display as far as possible. 11 Disconnect the speaker cable from the system-board connector. 12 Disconnect the display cable from the system-board connector. 13 Note the routing of the display cable and remove the cable from the routing guide. 14 Note the routing of the Mini-Card antenna cables and slide them up through the slot on the computer base.
5 1 2 4 3 1 display assembly 2 screws (4) 3 speaker cable 4 display cable 5 Mini-Card cable routing Replacing the Display Assembly 1 Follow the instructions in "Before You Begin" on page 9.
2 Place the display assembly in position and replace the four screws that secure the display assembly to the top cover. 3 Route the Mini-Card antenna cables through the slot on the computer base. 4 Route the display cable through the routing guide. 5 Connect the display cable to the system-board connector. 6 Connect the speaker cable to the system-board connector. 7 Replace the two screws that secure the display assembly to the base cover. 8 Replace the keyboard (see "Replacing the Keyboard" on page 43).
1 1 display bezel Replacing the Display Bezel 1 Follow the instructions in "Before You Begin" on page 9. 2 Align the display bezel with the display back cover, and gently snap it into place. 3 Replace the display assembly (see "Replacing the Display Assembly" on page 55). CAUTION: Before turning on the computer, replace all screws and ensure that no stray screws remain inside the computer. Failure to do so may result in damage to the computer.
Display Panel Removing the Display Panel 1 Follow the instructions in "Before You Begin" on page 9. 2 Remove the display assembly (see "Removing the Display Assembly" on page 53). 3 Remove the display bezel (see "Removing the Display Bezel" on page 56). 4 Disconnect the camera cable from the connector on the camera module. 5 Remove the eight screws that secure the display panel to the display back cover. 6 Note the routing of the Mini-Card antenna cables and remove them from the routing guides on the hinge.
1 2 3 4 1 camera cable connector 2 screws (8) 3 display 4 hinges (2) Replacing the Display Panel 1 Follow the instructions in "Before You Begin" on page 9. 2 Place the display panel over the display back cover. 3 Connect the camera cable to the connector on the camera module. 4 Route the display cable through the routing guide on the hinge. 5 Route the Mini-Card antenna cables through the routing guide on the hinge.
8 Replace the display assembly (see "Replacing the Display Assembly" on page 55). CAUTION: Before turning on the computer, replace all screws and ensure that no stray screws remain inside the computer. Failure to do so may result in damage to the computer. Display Cable Removing the Display Cable 1 Follow the instructions in "Before You Begin" on page 9. 2 Remove the display assembly (see "Removing the Display Assembly" on page 53). 3 Remove the display bezel (see "Removing the Display Bezel" on page 56).
1 2 3 1 display cable 3 display-cable connector 2 pull tab 7 Gently peel off the display cable from the display panel. Replacing the Display Cable 1 Follow the instructions in "Before You Begin" on page 9. 2 Adhere the display cable along the edge of the display panel. 3 Connect the display cable to the connector on the display panel. 4 Replace the display panel (see "Replacing the Display Panel" on page 59). 5 Replace the display bezel (see "Replacing the Display Bezel" on page 57).
6 Replace the display assembly ("Replacing the Display Assembly" on page 55). Display-Panel Brackets Removing the Display-Panel Brackets 1 Follow the instructions in "Before You Begin" on page 9. 2 Remove the display assembly (see "Removing the Display Assembly" on page 53). 3 Remove the display bezel (see "Removing the Display Bezel" on page 56). 4 Remove the display panel (see "Removing the Display Panel" on page 58).
Replacing the Display-Panel Brackets 1 Follow the instructions in "Before You Begin" on page 9. 2 Place the display-panel brackets in position. 3 Replace the four screws (two on each side) that secure the display-panel brackets to the display panel. 4 Replace the display panel (see "Replacing the Display Panel" on page 59). 5 Replace the display bezel (see "Replacing the Display Bezel" on page 57). 6 Replace the display assembly ("Replacing the Display Assembly" on page 55).
Display
12 Camera Module WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™ is not covered by your warranty.
12 Gently peel the aluminum foil that secures the camera module to the display back cover. 13 Remove the camera module from the display back cover. 2 1 1 aluminum foil 2 camera module Replacing the Camera Module 1 Follow the instructions in "Before You Begin" on page 9. 2 Use the alignment posts on the display back cover to place the camera module in position. 3 Adhere the aluminum foil over the camera module. 4 Replace the display panel (see "Replacing the Display Panel" on page 59).
9 Follow the instructions from step 5 to step 6 in "Replacing the Optical Drive" on page 33. 10 Replace the hard drive (see "Replacing the Hard Drive" on page 28). 11 Replace the Mini-Card(s) (see "Replacing the Mini-Card(s)" on page 24). 12 Replace the memory module(s) (see "Replacing the Memory Module(s)" on page 17). 13 Replace the battery (see "Replacing the Battery" on page 14). CAUTION: Before turning on the computer, replace all screws and ensure that no stray screws remain inside the computer.
Camera Module
13 Top Cover WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™ is not covered by your warranty.
11 Remove the power-button board (see "Removing the Power-Button Board" on page 45). 12 Remove the coin-cell battery (see "Removing the Coin-Cell Battery" on page 49). 13 Remove the four screws that secure the top-cover assembly to the base cover. 14 Turn the computer over. 15 Make note of the speakers cable routing. 16 Remove the nine screws that secure the top-cover assembly to the base cover. 17 Using your fingertips, gently ease the top-cover assembly from the base cover.
2 1 1 top-cover assembly 2 screws (9) 19 Remove the Bluetooth-card (see "Removing the Bluetooth Card" on page 93). 20 Remove the daughter board (see "Removing the Daughter Board" on page 89). 21 Remove the AC-adapter connector (see "Removing the AC-Adapter Connector" on page 97). 22 Remove the processor fan and heat-sink assembly (see "Removing the Processor Fan and Heat-Sink Assembly" on page 79). 23 Remove the processor module (see "Removing the Processor Module" on page 85).
24 Remove the system board (see "Removing the System Board" on page 101). Replacing the Top Cover 1 Follow the instructions in "Before You Begin" on page 9. 2 Replace the system board (see "Replacing the System Board" on page 104) 3 Replace the processor module (see "Replacing the Processor Module" on page 87). 4 Replace the processor fan and heat-sink assembly (see "Replacing the Processor Fan and Heat-Sink Assembly" on page 82).
18 Replace the memory module(s) (see "Replacing the Memory Module(s)" on page 17). 19 Replace any blank or card you removed from the Media Card Reader slot. 20 Replace the battery (see "Replacing the Battery" on page 14). CAUTION: Before turning on the computer, replace all screws and ensure that no stray screws remain inside the computer. Failure to do so may result in damage to the computer.
Top Cover
14 Speakers WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™ is not covered by your warranty.
11 Make note of the speakers cable routing and remove the cable from the routing guides. 12 Remove the four screws (two on each speaker) that secure the speakers to the base cover. 13 Lift the speakers along with the cable off the base cover. 3 2 1 1 speaker cable 3 screws (4) 2 speakers (2) Replacing the Speaker 1 Follow the instructions in "Before You Begin" on page 9.
4 Replace the four screws (two on each speaker) that secure the speakers to the base cover. 5 Follow the instructions from step 9 to step 11 in "Replacing the Top Cover" on page 72. 6 Replace the display assembly (see "Replacing the Display Assembly" on page 55). 7 Replace the keyboard (see "Replacing the Keyboard" on page 43). 8 Replace the palm-rest assembly (see "Replacing the Palm-Rest Assembly" on page 38). 9 Follow the instructions from step 5 to step 6 in "Replacing the Optical Drive" on page 33.
Speakers
Processor Fan and Heat-Sink Assembly 15 WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. WARNING: If you remove the processor fan and heat-sink assembly from the computer when the heat sink is hot, do not touch the metal housing of the processor fan and heat-sink assembly.
8 Remove the keyboard (see "Removing the Keyboard" on page 41). 9 Remove the display assembly (see "Removing the Display Assembly" on page 53). 10 Follow the instructions from step 13 to step 18 in "Removing the Top Cover" on page 69. 11 Turn the top-cover assembly over. 12 Disconnect the processor-fan cable from the system-board connector and turn the top-cover assembly over.
14 In sequential order (indicated on the processor heat-sink), loosen the five captive screws that secure the processor fan and heat-sink assembly to the system board. 15 Make note of the processor-fan cable routing and carefully lift the processor fan and heat-sink assembly away from the top-cover assembly.
Replacing the Processor Fan and Heat-Sink Assembly NOTE: The original thermal grease can be reused if the original processor and processor fan and heat-sink assembly are reinstalled together. If either the processor or the processor fan and heat-sink assembly is replaced, use the thermal pad provided in the kit to ensure that thermal conductivity is achieved. 1 Follow the instructions in "Before You Begin" on page 9.
Processor Fan and Heat-Sink Assembly 83
Processor Fan and Heat-Sink Assembly
16 Processor Module WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™ is not covered by your warranty.
11 Turn the top-cover assembly over. 12 Remove the processor fan and heat-sink assembly (see "Removing the Processor Fan and Heat-Sink Assembly" on page 79). CAUTION: To prevent intermittent contact between the ZIF-socket cam screw and the processor when removing or replacing the processor, press to apply slight pressure to the centre of the processor while turning the cam screw.
CAUTION: To ensure maximum cooling for the processor module, do not touch the heat transfer areas on the processor thermal-cooling assembly. The oils in your skin can reduce the heat transfer capability of the thermal pads. CAUTION: When removing the processor module, pull the module straight up. Be careful not to bend the pins on the processor module. 14 Lift the processor module off the ZIF socket.
11 Replace the hard drive (see "Replacing the Hard Drive" on page 28). 12 Replace the Mini-Card(s) (see "Replacing the Mini-Card(s)" on page 24). 13 Replace the memory module(s) (see "Replacing the Memory Module(s)" on page 17). 14 Replace the battery (see "Replacing the Battery" on page 14). CAUTION: Before turning on the computer, replace all screws and ensure that no stray screws remain inside the computer. Failure to do so may result in damage to the computer.
17 Daughter Board WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™ is not covered by your warranty.
11 Turn the top-cover assembly over. 12 Remove the processor fan and heat-sink assembly (see "Removing the Processor Fan and Heat-Sink Assembly" on page 79). 13 Lift the connector latch and disconnect the daughter-board cable from the connector on the daughter board. 14 Remove the screw that secures the daughter board to the top cover. 15 Carefully ease the connectors on the daughter board out of the slots in the top cover, and lift the daughter board out of the top cover.
Replacing the Daughter Board 1 Follow the instructions in "Before You Begin" on page 9. 2 Align the connectors on the daughter board with the slots on the top cover and place it on the top cover. 3 Replace the screw that secures the daughter board to the top cover. 4 Slide the daughter-board cable into the connector on the daughter board and press the connector latch down to secure the cable.
Daughter Board
18 Internal Card With Bluetooth® Wireless Technology WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™ is not covered by your warranty.
10 Follow the instructions from step 13 to step 18 in "Removing the Top Cover" on page 69. 11 Turn the top-cover assembly over. 12 Disconnect the Bluetooth-card cable from the connector on the Bluetooth card. 13 Release the Bluetooth card from the tab on the top cover. 14 Lift the Bluetooth card off the top cover. 2 3 1 1 Bluetooth card 3 Bluetooth-card cable 2 tab Replacing the Bluetooth Card 1 Follow the instructions in "Before You Begin" on page 9.
2 Slide the Bluetooth card into the slot on the top cover and secure it in place. 3 Connect the Bluetooth-card cable to the connector on the Bluetooth card. 4 Follow the instructions from step 9 to step 11 in "Replacing the Top Cover" on page 72. 5 Replace the display assembly (see "Replacing the Display Assembly" on page 55). 6 Replace the keyboard (see "Replacing the Keyboard" on page 43). 7 Replace the palm-rest assembly (see "Replacing the Palm-Rest Assembly" on page 38).
Internal Card With Bluetooth® Wireless Technology
AC-Adapter Connector 19 WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™ is not covered by your warranty.
11 Turn the top-cover assembly over. 12 Disconnect the AC-adapter connector cable from the system-board connector. 13 Make note of the AC-adapter connector cable routing and remove the cable from the routing guide. 14 Remove the screw that secures the AC-adapter connector to the top cover. 15 Lift the AC-adapter connector off the top cover. 1 2 3 1 screw 3 AC-adapter connector cable 2 AC adapter connector Replacing the AC-Adapter Connector 1 Follow the instructions in "Before You Begin" on page 9.
3 Replace the screw that secures the AC-adapter connector to the top cover. 4 Route the AC-adapter connector cable through the routing guide. 5 Connect the AC-adapter connector cable to the system-board connector. 6 Follow the instructions from step 9 to step 11 in "Replacing the Top Cover" on page 72. 7 Replace the display assembly (see "Replacing the Display Assembly" on page 55). 8 Replace the keyboard (see "Replacing the Keyboard" on page 43).
AC-Adapter Connector
20 System Board WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™ is not covered by your warranty.
10 Remove the display assembly (see "Removing the Display Assembly" on page 53). 11 Disconnect the power-button board cable, coin-cell battery cable, and touch-pad status light cable from their connectors on the system board. 12 Follow the instructions from step 13 to step 18 in "Removing the Top Cover" on page 69. 13 Remove the processor fan and heat-sink assembly (see "Removing the Processor Fan and Heat-Sink Assembly" on page 79).
1 power-button board cable connector 3 coin-cell battery cable 2 touch-pad status light cable connector 15 Remove the AC-adapter connector (see "Removing the AC-Adapter Connector" on page 97). 16 Disconnect the Bluetooth-card cable, logo-light cable, and daughter-board cable from their connectors on the system board. 17 Remove the two screws that secure the system board to the top cover.
1 logo-light cable connector 2 Bluetooth-card cable connector 3 system board 4 screws (2) 5 daughter-board cable 18 Carefully ease the connectors on the system board out of the slots in the top cover, and lift the system board off the top cover. Replacing the System Board 1 Follow the instructions in "Before You Begin" on page 9. 2 Align the connectors on the system board with the slots on the top cover and place it on the top cover.
15 Replace the Mini-Card(s) (see "Replacing the Mini-Card(s)" on page 24). 16 Replace the memory module(s) (see "Replacing the Memory Module(s)" on page 17). 17 Replace the battery (see "Replacing the Battery" on page 14). 18 Replace any blank or card you removed from the Media Card Reader slot. CAUTION: Before turning on the computer, replace all screws and ensure that no stray screws remain inside the computer. Failure to do so may result in damage to the computer. 19 Turn on the computer.
System Board
21 Flashing the BIOS The BIOS may require flashing when an update is available or when replacing the system board. To flash the BIOS: 1 Turn on the computer. 2 Go to support.dell.com/support/downloads. 3 Locate the BIOS update file for your computer: NOTE: The Service Tag for your computer is located on a label at the bottom of your computer. If you have your computer’s Service Tag: a Click Enter a Service Tag.
8 Double-click the file icon on the desktop and follow the instructions on the screen.
