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United States January 2, 2003
Maintenance & Service Guide
Presario 1600 Series
Models: 1650 and 1655
| Home Page | Notice | Preface | Product Description | Troubleshooting
Illustrated Parts Catalog | Removal & Replacement Procedures | Specifications
Pin Assignments | Battery Pack Operations
Clearing the Power-on Password
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
RTC battery for
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.
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