Acer Extensa 5635 Service Manual page 45

Removing BIOS Passwords:
If you key in the wrong Supervisor Password three times, System Disabled displays on the screen as below.
To reset the BIOS password, run BIOS_PW.EXE on a second machine as follows:
1. At a command prompt, type bios_pw 14452 0.
2. Select one string from the list.
Chapter 2 35