Removing Bios Passwords - Acer Aspire 4739Z 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.
Table 2-5. CMOS Jumper
(Software method) If wrong Supervisor Password is entered three times, the message
System will halt! is displayed on
System Utilities
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Figure 2-18. CMOS Jumper
Item
1 Clear CMOS Jumper
2 Clear CMOS Jumper
Figure 2-19. Supervisor Password Error
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0
1
Description
screen.(Figure 2-19)
2
2-19