Clearing The Power-On Password - Compaq 1200US - Presario - Celeron 800 MHz Maintenance And Service Manual

Illustrated Parts Catalog

Clearing the Power-on Password

Maintenance & Service Guide
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Pin Assignments
Presario 1200 Series
Model: 1245
Preface | Product Description
Removal & Replacement Procedures
| Battery Pack Operations
Clearing the power-on password requires
removing all Setup attributes that are
programmed in the CMOS. The RTC battery
located on the system board.
If the password is not known, clear it by
performing the following steps:
1. Turn off the computer.
2. Disconnect the power cord.
3. Remove the
4. Remove the
5. Move the
heatspreader.
6. Remove the
7. Remove the
8. Remove the RTC battery for 30 seconds and
replace it.
9. Reassemble the computer by reversing the
previous steps.
10. Turn on the computer to verify that the power-
on password has been cleared. If it has not been
cleared, repeat Steps 1 through 10.
Return to
or
Return to
| Troubleshooting
| Specifications
battery pack.
Palmrest Cover with Touch Pad.
keyboard to allow access to the
heatspreader.
modem.
preliminary steps page.
Troubleshooting index page.
is