Toshiba Satellite L20 Series Maintenance Manual page 196

Replacement Procedures
NOTE: Apply the silicon grease enough to cover the chip surface using the special
applicator.
5. Install the CPU&VGA heat sink and heat sink holder and secure them with the
following screws along 1 to 7.
6. Connect the Heat sink cable to the connector CN 15on 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 and first secure the screws of 1 to 3.
192
Figure 4-24 Applying silicon grease
M2.5×4.0 BIND screw x7
Satellite L20 Maintenance Manual(960-Q01)