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Description Spare part number
Windows 8 Standard models with UMA graphics and an Intel Core i3-3120M processor 718659-501
Windows 8 Professional models with UMA graphics and an Intel Core i3-3120M processor 718659-601
Non-Windows 8 models with UMA graphics and an Intel Core i3-3110M processor 718658-001
Windows 8 Standard models with UMA graphics and an Intel Core i3-3110M processor 718658-501
Windows 8 Professional models with UMA graphics and an Intel Core i3-3110M processor 718658-601
Before removing the system board, 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
Battery on page 55).
5. Remove the following components:
a. Bottom door (see
Bottom door on page 58).
b. Hard drive (see
Hard drive on page 62)
c. Optical drive (see
Optical drive on page 60)
d. Keyboard (see
Keyboard on page 70)
e. Heat shield (see
Heat shield on page 73)
f. Fan (see
Fan on page 75)
g. Heat sink (see
Heat sink on page 77)
h. Top cover (see
Top cover on page 82)
When replacing the system board, be sure to remove the following components from the defective
system board and install on the replacement system board:
●
Memory module (see
Memory modules on page 64)
●
SIM (see
SIM on page 59)
●
WLAN/Bluetooth module (see
WLAN/Bluetooth combo card on page 68)
●
WWAN module (see
WWAN module on page 66)
●
Processor (see
Processor on page 80)
Remove the system board:
1. Position the computer upright with the front toward you.
100 Chapter 4 Removal and replacement procedures