This document provides instructions for clearing passwords and performing BIOS recovery on Acer Aspire E1 laptop models. It describes a hardware open gap on the main board that can be used to clear password checks and a hot key for enabling BIOS recovery. The steps to clear BIOS passwords are to power on the laptop, press a key before the logo appears, select a boot option in the BIOS, run a password clearing executable file, and restart to verify the password is cleared.

1. Clearing Password Check and BIOS
Recovery
This section provides users with the standard operating procedures of
clearing password
and BIOS recovery for the Aspire E1-431/E1-431G & E1-471/E1-471G. The
machine
provides one Hardware Open Gap on main board for clearing password
check, and one
hot key for enabling BIOS Recovery.
Clearing Password Check
NOTE:
NOTE:
The following procedure is only for clearing BIOS Password (Supervisor
Password
and User Password).
Steps for Clearing BIOS Password Check
If users set BIOS Password (Supervisor Password and/or User Password)
for a security
reason, BIOS will ask the password during systems POST or when systems
enter to BIOS
Setup menu. However, once it is necessary to bypass the password check,
users need to
clear the password by the following steps:
Power
1. Press
button.
[
2. Press
key before Acer logo disappears
Figure 5-3. Keyboard Key Location
3. Select Boot Option item 'USB HDD' as highlighted in

2. the BIOS Boot Option menu.
4. Execute ClearPwd.EXE under the DOS mode.
5. When message Clear the SU Pws completely is displayed,
supervisor password
has been cleared.
6. Restart the system. Press
7. If there is no Password request, BIOS Password is cleared up.
8. If a password is requested, repeat Steps 1 through 5.