Acer Aspire 4560, Service Manual

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System Utilities 2-15
Clearing the BIOS Passwords
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1. Shut down the computer and disconnect the AC adapter and all other peripherals from the
computer.
2. Removing the battery pack and lower case cover.
3. If the Mini Card slot is occupied, remove the installed wireless module and locate the
G1901 gap.
4. Use an electrical conductivity tool to short the two contacts on the hardware gap together.
5. While resting the tool on the two contacts, plug one end of the AC adapter into the DC-in
jack and plug one end to an electrical outlet.
6. Press the button to turn on the computer.
7. After the BIOS POST, remove the tool from the hardware gap.
8. Reinstall the battery pack and the lower case cover.
9. Turn on the computer and press
F2 during bootup to access the Setup Utility . If no
password prompt appears, the BIOS passwords have been cleared. If the prompt
appears, repeat steps 4-9 until the BIOS passwords have been cleared.
10. Press F9 to load the system defaults.
11. Press F10 to save the changes you made and close the Setup Utility.
12. If a wireless module was removed, reinstall it.