4.22 Fan/Heat sink/CPU 4 Replacement Procedures
4. Apply new grease on the CPU using a special syringe as shown in the following
figure. Apply quarter of scale (0.25ml) of grease evenly on the CPU chip. When
silicon grease is already applied to the CPU, wipe them off with a cloth in advance.
Figure 4-38 Applying new grease
5. Install the fan to the heat sink and secure them with the following screws.
• M2.5×4B FLAT HEAD screw ×2
6. Install the fan and heat sink.
7. Place the CPU holder and secure it with the following screws in the order of the
number marked on the holder.
• M2×4B BIND screw ×3
8. Connect the fan cable to the connector CN8771 on the system board and stick the
glass tape.
Satellite R20/TECRA M7 Maintenance Manual (960-572) [CONFIDENTIAL] 4-55