A SERVICE OF

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Replacement Procedures
NOTE: Apply the silicon grease enough to cover the chip surface using the special
applicator.
Figure 4-27 Applying silicon grease
6. Install the CPU heat sink and heat sink holder and secure them with the following
screws along 1 to 6.
M2.0×3.0 BIND screw x6
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
the number marked on the holder.
Satellite U400/Satellite Pro U400/PORTEGE M800 Maintenance Manual 44