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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

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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 msgbub1.gif (1074 bytes) 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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