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Re: reset bios password
Just the jumper position on the mother board pin 1 and pin 2 will be occupied just unplug the power cord and remove the jumper and put the in 2 and 3 then wait for 5 sec then put the jumper to original position and power the laptop
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your bios battery is soldered into the mainboard, its under the keyboard, next to the modem board and the bios chip itself.
In order to get to the battery you would first have to dissasemble the laptop, remove the keyboard, power buttons, and the top of the machine. You may also have to remove the display if its holding the top of the cover in place.
Removing the battery is no guarantee of reseting the password. You need to study the bios chip and find out which pins of it you need to short in order to reset its memory. In some cases the password might be stored on another chip.
if you know the bios pass word go into bios hitting del upon start up then on pass word enter the old pass word then make the new one empty click save if you dont know the pass word then the back up battery on the mother board will need to be removed for several hrs
A Windows Password Reset Disk could do all the job for you, it can reset your lost or unknown Windows password safely and quickly without login, you can create a Windows password reset disk with the tool Windows Password Breaker, then use it to reset your password.
To disable the bios password on your laptop, you will need to remove the
cmos battery on your laptop for some minutes and insert back, the cmos
battery is located on the motherboard of your laptop, once the cmos
battery is removed from the motherboard for some minutes, the bios
password will be reset, and the bios password will be disable.
i have had just the same problem, i took my laptop apart removed the cmos battery its just to the side of the trackpack on top of the motherboard, but this did not work, HERE is the solution with out stripping the all the laptop make sure the battery is out and no power to the laptop all you need to do is take the plastic part with the power button on off and underneath you will see a small switch called SW1 move the number one switch to on then power up the laptop press F2 and there you go your in the bios, save all settings turn off put the switch back to where it was put you plastic facia back on replace the battery power up now press F2 and do what you want all is good
Do u know to use Soldering iron...if u know..remove the proccessor from socket then de solder the BIOS batterry and short that two terminals on mother board without connecting the power adapter and battery...do it and re solder the bios battery..this procedure will help u to recover from ur problem..if u dont know then do it with any technician.