Compaq 1200US Presario Select 1230 Series Maintenance and Service Guide - Page 21

Clearing the Power-on Password - presario power cord

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Maintenance & Service Guide Presario 1200 Series Models: 1230 and 1232 | 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. The dip switch contains four bits. Set the third bit to ON for 30 seconds and return it to OFF position. 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 10.

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Maintenance & Service Guide
Presario 1200 Series
Models: 1230 and 1232
|
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. The
dip switch
contains four bits. Set
the third bit to
ON
for
30 seconds and return
it to
OFF
position.
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
10.