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 PostPost subject: How to get BIOS password?        Posted: Fri Apr 25, 2008 1:37 pm 
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Hey all,



Recently, i wanted to move some partitions, install this, do that, so i wanted to go to my BIOS. However, when i got there, it's asking me for a Password. I NEVER SET A PASSWORD! So, now i want to know if there's a utility for windows (or linux) that will find the password of the BIOS.


....I have a strange feeling that the GRUB bootloader caused this.

BIOS (from CPU-Z)
Brand: Acer
Version: V1.30
Date: 05/09/2006


Help!

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 PostPost subject:        Posted: Fri Apr 25, 2008 2:51 pm 
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Look around on the internets for the default BIOS password list ... most BIOSes have a backdoor password for this very reason. Otherwise you could clear your CMOS using a jumper on your motherboard, check your motherboard manual for more info.

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 PostPost subject:        Posted: Fri Apr 25, 2008 3:03 pm 
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I looked and tried but to no avail.


I am thinking of opening up the inside and jumping it, but i've also seen people saying that they took out the battery, think its worth a try.

EDIT: I forgot to mention, its a laptop, Acer TravelMate 2450.

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 PostPost subject:        Posted: Fri Apr 25, 2008 3:27 pm 
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In some computers there is a button or jumpers or take out the battery for 24-hours (1/2 is also good).

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 PostPost subject:        Posted: Fri Apr 25, 2008 6:22 pm 
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CmosPwd can read bios password from many Bios and reset the cmos from windows or linux (ioperm is your friend)


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 PostPost subject:        Posted: Fri Apr 25, 2008 8:33 pm 
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to clear the bios:
take the battery out
set the jumper to clear state for ~20 seconds
set the jumper back to orginal position
put the battery in

this will clear the password, but also all setting including time, boot priority and etc.


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 PostPost subject:        Posted: Fri Apr 25, 2008 11:34 pm 
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I don't ever recall this being so complicated. My CMOS goes dead if I pull the battery out, and it's out long enough for me to get it realigned with the slot to put it back in. :P It really doesn't have to be more than a couple seconds.

-Kirk


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 PostPost subject:        Posted: Sat Apr 26, 2008 12:01 am 
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Kirk wrote:
I don't ever recall this being so complicated. My CMOS goes dead if I pull the battery out, and it's out long enough for me to get it realigned with the slot to put it back in. :P It really doesn't have to be more than a couple seconds.

-Kirk

depends on your motherboard, the jumper is right beside the battery
and it may clear without moving the jumper


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 PostPost subject:        Posted: Sat Apr 26, 2008 5:54 am 
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 PostPost subject:        Posted: Sat Apr 26, 2008 11:32 am 
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Dr Eggman wrote:
....I have a strange feeling that the GRUB bootloader caused this.

Highly unlikely. GRUB doesn't interfere with the BIOS.


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 PostPost subject:        Posted: Sat Apr 26, 2008 7:47 pm 
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A computer boots by
BIOS
-POST & memory check
-check boot device
-trigger the boot devices (depending on settings)
BOOT Loader is loaded
OS will now load
-OS access the devices though BIOS
-OS loads it's drivers and services
OS is loaded
Logon services loads
-User Account prompted
-User login
Desktop?

OS and boot loader could not affect the BIOS, they will use the BIOS for information, but not modify it. It must be done manually before OS loads.

This is a good thing because virus could not modify the BIOS.
Or we would have computer (hardware) destroying virus.


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 PostPost subject:        Posted: Sat Apr 26, 2008 9:28 pm 
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Quote:
Or we would have computer (hardware) destroying virus.

AntiCMOS Virus.


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