Instruction/ maintenance manual of the product L401X Dell
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Dell™XPS™L401XServiceManual Notes, Cautions, and Warnings Information in this document is subject to change without notice. © 2010DellInc.Allrightsreserved. Reproduction of these materials in any manner whatsoever without the written permission of Dell Inc.
Back to Contents Page Battery Dell™XPS™L401XServiceManual Removing the Battery Replacing the Battery Removing the Battery 1. Follow the instructions in Before You Begin . 2. Turn the computer over.
Back to Contents Page Before You Begin Dell™XPS™L401XServiceManual Recommended Tools Turning Off Your Computer Before Working Inside Your Computer This manual provides procedures for removing and installing the components in your computer.
3. Disconnect all telephone or network cables from the computer. 4. Press and eject any installed cards from the Media Card Reader. 5. Disconnect your computer and all attached devices from their electrical outlets. 6. Disconnect all attached devices from your computer.
Back to Contents Page Flashing the BIOS Dell™XPS™L401XServiceManual 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.
Back to Contents Page Internal Card With Bluetooth ® Wireless Technology Dell™XPS™L401XServiceManual Removing the Bluetooth Card Replacing the Bluetooth Card Removing the Bluetooth Card 1. Follow the instructions in Before You Begin .
Replacing the Bluetooth Card 1. Follow the instructions in Before You Begin . 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.
Back to Contents Page Camera Module Dell™XPS™L401XServiceManual Removing the Camera Module Replacing the Camera Module Removing the Camera Module 1. Follow the instructions in Before You Begin .
Replacing the Camera Module 1. Follow the instructions in Before You Begin . 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 ).
Back to Contents Page Coin - Cell Battery Dell™XPS™L401XServiceManual Removing the Coin - Cell Battery Replacing the Coin - Cell Battery Removing the Coin - Cell Battery 1. Follow the instructions in Before You Begin .
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 ). 5. Follow the instructions from step 5 to step 6 in Replacing the Optical Drive .
Back to Contents Page Daughter Board Dell™XPS™L401XServiceManual Removing the Daughter Board Replacing the Daughter Board Removing the Daughter Board 1. Follow the instructions in Before You Begin .
Replacing the Daughter Board 1. Follow the instructions in Before You Begin . 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.
Back to Contents Page AC - Adapter Connector Dell™XPS™L401XServiceManual Removing the AC - Adapter Connector Replacing the AC - Adapter Connector Removing the AC - Adapter Connector 1. Follow the instructions in Before You Begin .
Replacing the AC - Adapter Connector 1. Follow the instructions in Before You Begin . 2. Align the screw hole on the AC - adapter connector with the screw hole on the top cover. 3. Replace the screw that secures the AC - adapter connector to the top cover.
Back to Contents Page Display Dell™XPS™L401XServiceManual Display Assembly Display Bezel Display Panel Display Cable Display - Panel Brackets Display Assembly Removing the Display Assembly 1.
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.
10. Follow the instructions from step 5 to step 6 in Replacing the Optical Drive . 11. Replace the hard drive (see Replacing the Hard Drive ). 12. Replace the Mini - Card(s) (see Replacing the Mini - Card(s) ). 13. Replace the memory module(s) (see Replacing the Memory Module(s) ).
Removing the Display Panel 1. Follow the instructions in Before You Begin . 2. Remove the display assembly (see Removing the Display Assembly ). 3. Remove the display bezel (see Removing the Display Bezel ). 4. Disconnect the camera cable from the connector on the camera module.
Removing the Display Cable 1. Follow the instructions in Before You Begin . 2. Remove the display assembly (see Removing the Display Assembly ). 3. Remove the display bezel (see Removing the Display Bezel ). 4. Remove the display panel (see Removing the Display Panel ).
1. Follow the instructions in Before You Begin . 2. Remove the display assembly (see Removing the Display Assembly ). 3. Remove the display bezel (see Removing the Display Bezel ). 4. Remove the display panel (see Removing the Display Panel ).
Back to Contents Page Hard Drive Dell™XPS™L401XServiceManual Removing the Hard Drive Replacing the Hard Drive Removing the Hard Drive 1. Follow the instructions in Before You Begin . 2.
1. Follow the instructions in Before You Begin . 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.
Back to Contents Page Processor Fan and Heat - Sink Assembly Dell™XPS™L401XServiceManual Removing the Processor Fan and Heat - Sink Assembly Replacing the Processor Fan and Heat - Sink Assembly Removing the Processor Fan and Heat - Sink Assembly 1.
13. Remove the screw that secures the processor fan and heat - sink assembly to the top cover. 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.
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Back to Contents Page Keyboard Dell™XPS™L401XServiceManual Removing the Keyboard Replacing the Keyboard Removing the Keyboard 1. Follow the instructions in Before You Begin . 2. Remove the battery (see Removing the Battery ).
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.
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Back to Contents Page Memory Module(s) Dell™XPS™L401XServiceManual Removing the Memory Module(s) Replacing the Memory Module(s) You can increase your computer memory by installing memory modules on the system board.
6. Remove the memory module from the memory - module connector. Replacing the Memory Module(s) 1. Follow the instructions in Before You Begin . 2. Align the notch in the memory module with the tab in the memory - module connector. 3.
As the computer boots, it detects the additional memory and automatically updates the system configuration information. To confirm the amount of memory installed in the computer: Click Start ® Control Panel ® System and Security ® System .
Back to Contents Page Wireless Mini - Card(s) Dell™XPS™L401XServiceManual Removing the Mini - Card(s) Replacing the Mini - Card(s) If you ordered a wireless Mini - Card with your computer, the card is already installed.
7. Lift the Mini - Card(s) out of the system - board connector. Replacing the Mini - Card(s) 1. Follow the instructions in Before You Begin . 2. Remove the new Mini - Card from its packaging. 3. Insert the Mini - Card connector at a 45 - degree angle into the system - board connector.
6. Align the tabs on the Mini - Card cover with the slots on the base cover and snap the Mini - Card cover into place. 7. Replace the captive screw that secures the Mini - Card cover to the base cover. 8. Replace the battery (see Replacing the Battery ).
Back to Contents Page Optical Drive Dell™XPS™L401XServiceManual Removing the Optical Drive Replacing the Optical Drive Removing the Optical Drive 1. Follow the instructions in Before You Begin .
Replacing the Optical Drive 1. Follow the instructions in Before You Begin . 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.
Back to Contents Page Palm - Rest Assembly Dell™XPS™L401XServiceManual Removing the Palm - Rest Assembly Replacing the Palm - Rest Assembly Removing the Palm - Rest Assembly 1. Follow the instructions in Before You Begin .
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.
Replacing the Palm - Rest Assembly 1. Follow the instructions in Before You Begin . 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.
Back to Contents Page Processor Module Dell™XPS™L401XServiceManual Removing the Processor Module Replacing the Processor Module Removing the Processor Module 1. Follow the instructions in Before You Begin .
14. Lift the processor module off the ZIF socket. Replacing the Processor Module 1. Follow the instructions in Before You Begin . 2. Align the pin - 1 corner of the processor module with the pin - 1 corner of the ZIF socket. 3.
13. Replace the memory module(s) (see Replacing the Memory Module(s) ). 14. Replace the battery (see Replacing the Battery ). Back to Contents Page CAUTION: Before turning on the computer, replace all screws and ensure that no stray screws remain inside the computer.
Back to Contents Page Power - Button Board Dell™XPS™L401XServiceManual Removing the Power - Button Board Replacing the Power - Button Board Removing the Power - Button Board 1. Follow the instructions in Before You Begin .
Replacing the Power - Button Board 1. Follow the instructions in Before You Begin . 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.
Back to Contents Page Speakers Dell™XPS™L401XServiceManual Removing the Speakers Replacing the Speaker Removing the Speakers 1. Follow the instructions in Before You Begin . 2. Remove the battery (see Removing the Battery ).
Replacing the Speaker 1. Follow the instructions in Before You Begin . 2. Route the speakers cable through the routing guides 3. Align the screw holes on the speakers with the screw holes on the base cover. 4. Replace the four screws (two on each speaker) that secure the speakers to the base cover.
Back to Contents Page System Board Dell™XPS™L401XServiceManual Removing the System Board Replacing the System Board Entering the Service Tag in the BIOS Removing the System Board 1. Follow the instructions in Before You Begin .
15. Remove the AC - adapter connector (see Removing the AC - Adapter Connector ). 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.
2. Align the connectors on the system board with the slots on the top cover and place it on the top cover. 3. Replace the two screws that secure the system board to the top cover. 4. Connect the Bluetooth - card cable, logo - light cable, and daughter - board cable to their connectors on the system board.
Back to Contents Page Dell™XPS™L401XServiceManual Information in this document is subject to change without notice. © 2010DellInc.Allrightsreserved. Reproduction of these materials in any manner whatsoever without the written permission of Dell Inc.
Back to Contents Page Top Cover Dell™XPS™L401XServiceManual Removing the Top Cover Replacing the Top Cover Removing the Top Cover 1. Follow the instructions in Before You Begin . 2. Remove any installed card or blank from the Media Card Reader slot.
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. 18. Lift the top cover assembly off the base cover.
12. Replace the display assembly (see Replacing the Display Assembly ). 13. Replace the keyboard (see Replacing the Keyboard ). 14. Replace the palm - rest assembly (see Replacing the Palm - Rest Assembly ). 15. Follow the instructions from step 5 to step 6 in Replacing the Optical Drive .
An important point after buying a device Dell L401X (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Dell L401X yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Dell L401X - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Dell L401X you will learn all the available features of the product, as well as information on its operation. The information that you get Dell L401X will certainly help you make a decision on the purchase.
If you already are a holder of Dell L401X, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Dell L401X.
However, one of the most important roles played by the user manual is to help in solving problems with Dell L401X. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Dell L401X along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
