Technical information

68 OpenBook 1849
7.
Disconnect the fan cable from the main board, remove the four screws on the CPU heat sink, and then
remove the CPU heat sink from the main board.
NOTE:
Please follow the order while securing the CPU heat sink with the four screws.
Removing the CPU
1.
See “Removing the Battery” on page 55
2.
See “Removing the Hinge Caps” on page 60
3.
See “Removing the Middle Cover” on page 60
4.
See “Removing the Keyboard Metal Bracket” on page 61
5.
See “Removing the Keyboard” on page 61
6.
See “Removing the CPU Heat Sink” on page 67
7.
Lift up the CPU lever to release the CPU socket, and then remove the CPU very carefully. Put the CPU
lever back to its original position and have it locked well.
NOTE:
To install the CPU, please put it back with the triangle mark this side as shown here.