Toshiba Satellite M40X - page 147

4 Replacement Procedures
Installing the CPU
To install the CPU, follow the steps below and refer to the figures in the preceding section.
CAUTION: If you remove the heat sink, you should use the CPU grease tool to remove
the grease on the CPU and heat sink. Reapply fresh grease before installing the heat sink.
1. Make sure that the notch on the cam is aligned with the open position.
2. Seat the CPU to align the triangle mark on the CPU with the one on the CPU socket. Make
sure the alignment is exact to avoid damaging pins on the CPU.
3. Press the CPU softly with your fingers and turn the cam on the CPU socket to the closed
position with a flat-blade screwdriver to secure the CPU.
4. Seat the heat sink over the CPU and secure with four screws in the order indicated on the
heat sink.
5. Seat the fan module and secure with four embedded screws.
6. Attach the fan connector.
7. Fasten three screws to the VGA plate (Two security screws M2*4.2+4 and one M2.5*3).
4-40 [CONFIDENTIAL] Satellite M40X Series Maintenance Manual