5. Release the ngerprint reader (6) from the double-sided tape and remove it from the computer.
Reverse this procedure to install the ngerprint reader board.
Fan
Description Spare part number
CPU fan (includes replacement thermal material) 848377-001
GPU Fan (includes replacement thermal material) (This fan is included as a blank for models with UMA
graphics memory.):
●
For use only with models with discrete graphics memory 848378-001
●
For models with UMA graphics memory 848376-001
Before removing the fans, follow these steps:
1. Turn o the computer. If you are unsure whether the computer is o or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the following components:
a. Service door (see Service door on page 30).
b. Battery (see Battery on page 31).
c. Base enclosure (see Base enclosure on page 33).
d. Hard drive(s) and internal frame (see Hard drive(s) and internal frame on page 33).
e. WLAN module (see WLAN module on page 40).
54 Chapter 6 Removal and replacement procedures for authorized service provider parts
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