HP 1930, 1925, 1915, 1920 manual Clearing Power-on Password

Maintenance & Service Guide

Presario 1900 Series

Models: 1900T, 1905, 1906, 1910, 1915, 1919, 1920, 1922, 1925, 1926, 1927, 1928, 1929, and 1930

Before You Begin	Specifications	Parts Catalog
Removal Sequence	Troubleshooting	Battery Operations
Product Description	Pin Assignments	Index

Troubleshooting

Clearing the

Power-on

Password

Clearing the power-on password requires removing all Setup attributes that are programmed in the CMOS.

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.Using a conductive piece of material (piece of wire or tool) simultaneously make contact with the two pads located at R37 on the system board or remove the RTC battery located under the battery charger board for 5 seconds.

The password, together with other Setup attributes, will be cleared.

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.