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

Models: 1246, 1247, 1277, 1278, and 1279
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Illustrated Parts Catalog
Troubleshooting

Clearing the Power-on Password

Maintenance & Service Guide
Presario Series
| Notice | Preface
| Removal & Replacement Procedures
Pin Assignments
| Product Description
| Battery Pack Operations
| Troubleshooting
| Specifications
Clearing the power-on
password requires removing
all Setup attributes that are
programmed in the CMOS.
The RTC battery
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 battery
4. Remove the Palmrest
Cover with Touch Pad.
5. Remove the heatspreader.
6. Remove the keyboard.
7. Remove RTC battery for 30
seconds and replace it.
8. Reassemble the computer.
9. Turn on the computer to
verify that the power-on
password has been cleared. If
it has not been cleared,
repeat Steps 1 through 9.
is located
pack.