Toshiba TECRA A11 Series Maintenance Manual page 368

Installing the CPU/fin/DC fan
To install the CPU/fin/DC fan, follow the steps below and refer to Figure 4-38 to 4-43.
1. Make sure that the cam of the CPU socket is in the unlock (OPEN) position.
2. Set the CPU to the correct position in the CPU socket. Make sure the position of the
CPU (triangle mark) is correct to avoid damaging pins on the CPU.
NOTE: When replacing the CPU with a new one, stick the insulator (INSU SQUARE) to
the CPU in place.
3. Lock the CPU by rotating clockwise the cam on the CPU socket by 180 degrees with
a flat-blade driver.
CPU socket
4-78 [CONFIDENTIAL] TECRA A11/S11/P11 Satellite Pro S500 Series Maintenance Manual (960-784)
INSU SQUARE
CPU
INSU SQUARE
Figure 4-42 Installing the CPU
Mark