Personal Computer User Manual
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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.
2. Remove the battery (see Removing the Battery).
3. Remove the memory module(s) (see Removing the Memory Module(s)).
4. Remove the Mini-Card(s) (see Removing the Mini-Card(s)).
5. Remove the hard drive (see Removing the Hard Drive).
6. Follow the instructions from step 4 to step 6 in Removing the Optical Drive.
7. Remove the palm-rest assembly (see Removing the Palm-Rest Assembly).
8. Remove the keyboard (see Removing the Keyboard).
9. Remove the display assembly (see Removing the Display Assembly).
10. Follow the instructions from step 13 to step 18 in Removing the Top Cover.
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).
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.
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: Onlyacertifiedservicetechnicianshouldperformrepairsonyourcomputer.DamageduetoservicingthatisnotauthorizedbyDell™
is not covered by your warranty.
CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal
surface (such as a connector on your computer).
CAUTION: To help prevent damage to the system board, remove the main battery (see Removing the Battery) before working inside the
computer.