Removing Bios Passwords - Acer ASPIRE 4253 Service Manual

Removing BIOS Passwords

(Hardware method) To clear User or Supervisor passwords, remove lower cover and use a
metal instrument to short the CMOS jumper.
Figure 2-18. CMOS Jumper
Table 2-5. CMOS Jumper
Item
1
(Software method) If wrong supervisor password is entered three times, the message
System will halt! is displayed on screen.
Figure 2-19. Supervisor Password Error
System Utilities
Clear CMOS Jumper
0
1
Description
2-19