Compaq Presario 1800 - Notebook PC Maintenance And Service Manual page 21

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Illustrated Parts Catalog
Clearing the Power-on Password
Maintenance & Service Guide
Presario 1800 Series
Models: 1805 and 1810
| Notice | Preface
| Removal & Replacement Procedures
Pin Assignments
| Product Description
| Battery Pack Operations
Clearing the power-on password
requires removing all Setup
attributes that are programmed
in the CMOS.
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 pack.
4. Remove the keyboard.
5. Remove the
30 seconds. The password,
together with other Setup
attributes, will be cleared.
6. Reassemble the computer.
7. Turn on the computer to verify
that the power-on password has
been cleared. If it has not been
cleared, repeat Steps 1 through
7.
| Troubleshooting
| Specifications
RTC battery for