Chapter 5 75
Clearing a BIOS Password
To clear a lost BIOS password (user or supervisor password) you need to short the G91 for Aspire 1430/
1830T/One 753 Series, G1 for Aspire 1551/One 721 Series hardware gap located near the DIMM module to
clear the password..
To clear a BIOS password:
1. Turn off the system and unplug all peripherals connected to it.
2. Unplug the AC adapter.
Gap Default Setting Operation Description
G91/G1 Open (Normal) Short (Clear the BIOS user and supervisor passwords)
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