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Removal and replacement procedures
Fan
Description
Fan
Before removing the fan, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on,
and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then
unplugging the AC adapter from the computer.
4. Remove the battery (see
5. Remove the following components:
a. Hard drive (see
b. Memory module (see
c. WLAN module (see
d. Optical drive (see
e. Keyboard (see
f. Top cover (see
4–30
"Battery" on page
"Hard drive" on page
4-8)
"Memory module" on page
"WLAN module" on page
"Optical drive" on page
"Keyboard" on page
4-17)
"Top cover" on page
4-19)
4-7).
4-10)
4-12)
4-15)
Spare part number
493269-001
Maintenance and Service Guide
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