Compaq Presario 1900 Model XL1-XL165-Maintenance & Service Guide Presario - Page 75

Clearing the, Power-on, Password - power cord

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Maintenance & Service Guide Presario 1900 Series Models: XL1, XL160, XL161, XL162, XL163, and XL165 Before You Begin Removal Sequence Product Description Specifications Troubleshooting Pin Assignments Parts Catalog Battery Operations Index Troubleshooting Clearing the Power-on Password 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. Disconnect the backlight cable from the connector on the system board . 6. Simultaneously make contact with the two pads located at R37 on the system boarding using a conductive piece of material (piece of wire or tool) or remove the RTC battery for 10 seconds, clearing the password. 7. Reassemble the computer. 8. Turn on the computer to verify that the poweron password has been cleared. If it has not been cleared, repeat Steps 1 through 7.

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Maintenance & Service Guide
Presario 1900 Series
Models: XL1, XL160, XL161, XL162, XL163, and XL165
Before You Begin
Specifications
Parts Catalog
Removal Sequence
Troubleshooting
Battery Operations
Product Description
Pin Assignments
Index
Troubleshooting
Clearing the
Power-on
Password
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.
Disconnect the
backlight cable from
the connector on the
system board
.
6.
Simultaneously make
contact with the two
pads located at R37 on
the system boarding
using a conductive
piece of material (piece
of wire or tool)
or
remove the RTC
battery for 10 seconds,
clearing the password.
7.
Reassemble the
computer.
8.
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.