Procedure - Dell Inspiron M421R Owner's Manual

Procedure

NOTE: Your computer's Service Tag is stored in the system board. You must enter
the Service Tag in the BIOS after you replace the system-board assembly.
NOTE: Before disconnecting the cables from the system board, note the location
of the connectors so that you can reconnect them correctly after you replace the
system-board assembly.
1 Disconnect the power-adapter port cable from the system-board connector.
2
Remove the screws that secure the system-board assembly to the computer base.
1 system-board assembly
3 screws (2)
99
| Removing the System Board
2
1
3
2 power-adapter port cable