Acer ASPIRE 5742 Service Manual page 53

Removing BIOS Passwords:
To clear the User or Supervisor passwords, open the DIMM door and use a metal instrument to short the
RTC_RST point.
Cleaning BIOS Passwords
To clean the User or Supervisor passwords, perform the following steps:
1. From a DOS prompt, execute clnpwd.exe
2. Press 1 or 2 to clean the desired password shown on the screen.
The onscreen message determines whether the function is successful or not.
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