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bypassing bios password

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hi i borrowed my acer travelmate 2200 laptop to my brother who in his wisdom set a password for bios.....subsequently he has now forgotten the password.....any ideas how i can bypass or find this password .....thanks

3 replies

by dfirefire

As far as I know there are two ways to bypass this:
- remove the backup battery (not so obvious on laptops)
- search the web for master password for that BIOS version. Yes, they exist...

by wlbowers

#1
It's a laptop. Unless it is 4 or 5 years old it will not have a jumper on the motherboard.

#2
You can remove the bios battery and let you know what freeze over and it will not do anything. The bios password has been stored in a security chip. Doesn't need a battery.

#3
If the dang thing will not access the floppy until the bios password is entered, nothin you stick in that hole will work.

Some laptops can be reset with a doggle. If it is available it can be gotten on ebay. I know the toshiba is one.

Some times you can use the back door passwords and get lucky.

http://www.pwcrack.com/security_chips_ibm.shtml

Otherwise you will have to contact acer and be prepaired to send it in or provide them with proof of purchase.

Good Luck

Lee

by mail2

flashing bios to newest 1.12 version with official tool called WinPhlash used in advanced mode with "clean cmos checksum" solve the problem and bios pass is clean.

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