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
Clearing the
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 for 10 seconds, then
replace it .
8. Reassemble the computer.
9. Turn on the computer to verify that the