Removal and Replacement Procedures
Maintenance and Service Guide 5–53
2. Turn the notebook upside down with the rear panel 
toward
 you.
3. Disconnect the fan cable from the system board through 
the
 memory module compartment.
4. Disconnect the serial connector cable 1 and the Bluetooth 
cable 2 from the system board.
5. Remove the T8M2.0×4.0 screw 3 that secures the system 
board to the base enclosure next to the RJ-11 connector.
✎
Step 6 applies only to full-featured models.
6. Remove the 2 HM5.0×9.0 screw locks on each side of the 
parallel connector 4.
7. Remove the 2 HM5.0×9.0 screw locks on each side of 
the
 external monitor connectors 5.
Removing the System Board Screws and Screw Locks