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Maintenance & Service Guide
Presario 1660 Model

MSG Index | Home Page | Notice | Preface | Product Description | Troubleshooting  
Illustrated Parts Catalog
Removal & Replacement Procedures | Specifications
Pin Assignments
| Battery Pack Operations


Clearing the Power-on Password

RTC battery location

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 removing the RTC battery (located on the system board) as follows:

1. Turn off the computer.

2. Disconnect the power cord.

3. Remove the battery pack.

4. Remove the palmrest assembly.

5. Remove the keyboard and heatspreader.

6. Remove the modem

7. Remove RTC battery msgbub1.gif (1074 bytes) for 10 seconds, then 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 all steps above.

 
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