Acer 4253G manual Removing Bios Passwords, Cmos Jumper Description Clear Cmos Jumper

Removing BIOS Passwords

(Hardware method) To clear User or Supervisor passwords, remove lower cover and use a metal instrument to short the CMOS jumper.

1

Figure 2-18. CMOS Jumper

Table 2-5. CMOS Jumper

Item	Description
1	Clear CMOS Jumper

(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 2-19