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.

4.

5.

Remove the battery pack .

Remove the keyboard.

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.

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HP 1900-XL160, 1900-XL162, 1900-XL165 manual Clearing Power-on Password