Toshiba Qosmio X300 Maintenance Manual page 193

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2. Turn the board upside down.
3. Remove one cable connecting the cooling module.
4. Remove two M2x4 screws.
5. Remove the cooling module and fan.
Figure 4-29 Removing the CPU cooling module and fan
6. Remove three M2x4 screws from 3 to 1.
Qosmio X300 Maintenance Manual
4 Replacement Procedures
4-49