Toshiba Satellite L650 Maintenance Manual page 173

4 Replacement Procedures
Installing the CPU Cooling Module and Fan
Install the cooling Module according to the following procedures and figures 4-18, 4-19.
CAUTION: When installing the cooling module, keep the following in mind:
1. Be sure to confirm the correct position for the module.
2. Secure the relevant screws on the main board according to the number sequence
sealed on the heat sink module.
NOTE: Apply silicon grease with a special syringe to cover the surface of the CPU chip
completely.
1. If silicon grease is already applied to the CPU and fan module, wipe it off with a
cloth.
By using a special syringe, apply silicon grease G7762 to the CPU chip center so that
the entire CPU chip is covered with the grease G7762.
2. Install the CPU cooling module into the correct position on the system board.
3. Place the CPU cooling module and secure it with four CPU cooling module securing
screws.
4. Place the CPU cooling module and secure it with four CPU cooling module securing
screws.
5. Secure the CPU cooling module with four M2x2 black flat head screws.
6. Connect the fan cable to CN4300 on the system board.
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4.13 CPU cooling Module and Fan
Satellite/Satellite Pro/L650 Maintenance Manual