Dell XPS 12, Owner'S Manual

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| Replacing the System Board
Replacing the System Board
WARNING: Before working inside your computer, read the safety information
that shipped with your computer and follow the steps in "Before You Begin" on
page 7. After working inside your computer, follow the instructions in
"After Working Inside Your Computer" on page 9. For additional safety best
practices information, see the Regulatory Compliance Homepage at
dell.com/regulatory_compliance.
Procedure
1 Slide the keyboard cable into the system-board connector and press down on the
connector latch to secure the cable.
2
Turn the system board over and align the screw holes on the system board with the
screw holes on the palm-rest assembly.
CAUTION: Ensure that no cables are under the system board.
3 Replace the screws that secure the system board to the palm-rest assembly.
4 Connect the coin-cell battery cable.
5 Connect the power-adapter port cable to the system board.
6 Connect the touchscreen cable and display cable to the system board.
7 Route the antenna cables through the routing guide on the system board.
8 Slide the touchpad cable and keyboard-backlit cable into their connectors on the
system board and press down on the connector latches to secure the cables.
Postrequisites
1 Replace the processor heat-sink. See "Replacing the Processor Heat-Sink" on page
29.
2 Replace the fan. See "Replacing the Fan" on page 30.
3
Replace the mSATA card. See "Replacing the mSATA Card" on page 21.
4
Replace the wireless mini-card. See "Replacing the Wireless Mini-Card" on page 17.
5 Replace the battery. See "Replacing the Battery" on page 14.
6 Replace the base cover. See "Replacing the Base Cover" on page 12.
7 Follow the instructions in "After Working Inside Your Computer" on page 9.
Entering the Service Tag in the BIOS
1 Turn on the computer.
2 Press <F2> during POST to enter the system setup program.
3 Navigate to the main tab and enter the Service Tag in the Service Tag field.
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