Acer 4740Z Laptop User Manual


 
Chapter 5 85
Clearing a BIOS Password
To clear a lost BIOS password (user or supervisor password) you need to short the G111 clear password
hardware gap located below the keyboard.
To clear a BIOS password:
1. Turn off the system and unplug all peripherals connected to it.
2. Unplug the AC adapter.
3. Remove the battery.
4. Remove the back cover. Refer to page 39 for detailed instructions.
5. Locate the G111 gap.
6. Use an electrical conductivity tool to short the two contacts on the hardware gap together.
7. While resting the tool on the two contacts, plug one end of the AC adapter into the DC power jack and
plug one end of the electrical outlet.
8. Press the power button to turn on the system.
9. After POST, remove the tool from the hardware gap.
10. Reinstall the back cover and the battery pack.
11. Restart the computer. Press <F2> during bootup to access the BIOS Setup utility.
12. Press <F9> to load the system defaults.
13. Press <F10> to save the changes you made and close the Setup Utility.
Gap Default Setting Operation Description
G111 Open (Normal) Short (Clear the BIOS user and supervisor passwords)