Toshiba Satellite A40 Series Maintenance Manual page 226

4.6 Heat sink/CPU
3. Remove the following screws securing the CPU holder, in the reverse order of the
number marked on the holder.
• M2.5×6B
4. Remove the CPU holder.
5. Release the lock lever (lift the lock lever vertically) and lift up the heat sink.
M2.5×6B FLAT HEAD
CPU holder
Figure4-7 Removing the CPU holder and heat sink
6. Remove the CPU from the heat sink
CAUTION: As silicon grease is applied between the heat sink and CPU, the CPU is
removed with the heat sink.
If the CPU has been left on the CPU socket, remove the CPU.
Satellite A40 Maintenance Manual (960-458)
FLAT HEAD screw
Heat sink
4 Replacement Procedures
×3
Lock lever
4-17