Dell XPS 12 (9Q33, Mid 2013) - Manual (Page 28)

Replacing the Fan
WARNING: Before working inside your computer, read the safety information
that shipped with your computer and follow the steps in "Before Working Inside
Your Computer" on page 7. After working inside your computer, follow the
instructions in "After Working Inside Your Computer" on page 9.
For more safety best practices, see the Regulatory Compliance home page 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.
4 Route the coin-cell battery cable through the routing guides on the fan.
5 Connect the I/O-board cable to the I/O board and the 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.
28 | Replacing the Fan