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Reverse this procedure to install the RTC battery. When installing the RTC battery, make sure the “+”
sign faces up.
Top cover
Description Spare part number
Top cover (includes the TouchPad board) 686283-001
Before removing the top cover, follow these steps:
1. Turn off 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 the power from the computer by unplugging the power cord from the computer.
3.
Disconnect all external devices from the computer.
4. Remove the battery (see
Battery on page 35), and then remove the following components:
a. Memory module/wireless module compartment cover (see
Memory module on page 36)
b. Keyboard (see
Keyboard on page 39)
c. Hard drive (see
Hard drive on page 45)
NOTE: When replacing the top cover, be sure to remove the following components from the defective
top cover and install them on the replacement top cover:
●
Power button board (see
Power button board on page 52)
●
TouchPad button board (see
TouchPad button board on page 53)
Remove the top cover:
1. Remove the six Phillips PM2.5×6.5 screws (1) and the two Phillips PM2.5×10.0 screws (2) that
secure the top cover to the computer.
Component replacement procedures
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