HP Presario 1600 Presario Select 1200 and 1600 Series Maintenance and Service - Page 22

Clearing the Power-on Password

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Maintenance & Service Guide Presario Series Models : 1270, 1670, and 1675 | 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. The RTC battery is located on the system board. 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 Palmrest Cover with Touch Pad. 5. Remove the heatspreader. 6. Remove the keyboard. 7. Remove RTC battery for 30 seconds and 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 Steps 1 through 9.

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Maintenance & Service Guide
Presario Series
Models : 1270, 1670, and 1675
|
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. The
RTC battery is located on
the system board.
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
Palmrest Cover
with Touch Pad
.
5. Remove the
heatspreader
.
6. Remove the
keyboard
.
7. Remove RTC battery for 30
seconds and 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
Steps 1 through 9.