HP 701977-FL1 ユーザーズマニュアル
NOTE:
Models that support quad-core processors have four memory slots. Models that support
dual-core processors have two memory slots.
Description
Spare part number
For use in all countries and regions except the People's Republic of China:
●
For use with computer models equipped with Intel quad-core processors
688746-001
●
For use with computer models equipped with Intel dual-core processors
688745-001
For use only in the People's Republic of China:
●
For use with computer models equipped with Intel quad-core processors
690035-001
●
For use with computer models equipped with Intel dual-core processors
690034-001
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.
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.
and then unplugging the AC adapter from the computer.
4.
5.
Remove the service access cover (see
6.
Remove the optical drive (see
).
7.
Remove the keyboard (see
8.
Remove the top cover (see
).
9.
Remove the display assembly (see
).
10.
Remove the fan/graphics board heat sink (see
11.
12.
Remove the audio/USB 2.0 board (see
).
13.
).
14.
When replacing the system board, be sure that the following additional components are removed
from the defective system board and installed on the replacement system board:
from the defective system board and installed on the replacement system board:
●
SIM (see
)
●
Bluetooth module and cable (see
●
●
●
RTC battery (see
104 Chapter 4 Removal and replacement procedures