3555 Trouble Shooting: Clearing CMOS

Clearing CMOS

If the power-on password is not known, clearing CMOS will disable the power-on password. To clear CMOS, complete the following steps:
2. Removing the Hood
Removal
2. Remove three screws from the back of the computer.
3. Pull the hood backwards until it is completely detached.
End of sequence.


Replacement
To replace the hood, reverse the removal procedure.
3. To disable the password, move the jumper at J3 from 1-2 to 2-3.
4. Turn on the computer, allow it to boot up, then shut down.
5. Move the jumper at J3 from 2-3 to 1-2.
6. Replace the computer hood and perform the desired troubleshooting.