Clearing The Power-On Password - Compaq Presario 1600 series Maintenance & Service Manual

Compaq.com - Compaq Presario Maintenance and Service Guide - 1600 Series
an external AC power source.
When the preliminary steps are completed, you are ready to run POST.

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. Remove the battery
4. Remove the keyboard.
5. Remove the RTC battery (1) for 30 seconds as shown below. The password, together with
other Setup attributes, will be cleared.
Clearing the Power-On Password
6. Turn the computer on to verify the power-on password has been cleared. If it has not
been cleared, repeat these steps.
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pack.