Dell XPS 12 (9Q23, Late 2012) - Manual (Page 30)

Replacing the Fan
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 tab on the fan under the heat sink, and align the screw holes on the fan
with the screw holes on the keyboard.
2 Replace the screws that secure the fan to the keyboard.
3 Connect the fan cable to the system-board connector.
4 Route the coin-cell-battery cable through the routing guides.
5 Connect the I/O-board cable to the connectors on the I/O board and
system board.
Postrequisites
1 Replace the battery. See "Replacing the Battery" on page 14.
2 Replace the base cover. See "Replacing the Base Cover" on page 12.
3 Follow the instructions in "After Working Inside Your Computer" on page 9.
30 | Replacing the Fan