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Maintenance & Service Guide
Presario 3500 Series Personal Computers

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Clearing CMOS

Clearing CMOS

Password Jumper Location

If the power-on password is not known, clearing CMOS will disable the power-on password. To clear CMOS, complete the following steps:
1. Complete the preparation for disassembly.
2. Remove the computer hood.
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.

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Revised: 19 Nov. 1999