Toshiba Satellite U400 Maintenance Manual page 211

NOTE: Apply the silicon grease enough to cover the chip surface using the special
6. Install the CPU heat sink and heat sink holder and secure them with the following
screws along 1 to 6.
7. Connect the Heat sink cable to the connector on the system board
NOTE: When securing the heat sink holder, be sure to secure the screws in the order of
Satellite U400/Satellite Pro U400/PORTEGE M800 Maintenance Manual
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applicator.
Figure 4-27 Applying silicon grease
M2.0×3.0 BIND screw
the number marked on the holder.
Replacement Procedures
x6
44