There are times that we need to reset the computer’s BIOS security password.The most common way that most of us know on how to reset or clear the BIOS password is to physically remove the power from the computer by disconnecting the power plug and then removing a battery for 30 minutes from the motherboard. Another way is to reset the clear CMOS jumper on the motherboard itself. Both of the 2 methods mentioned works because most motherboards use a battery to sustain the BIOS/CMOS settings for the motherboards PROM chip. So by cutting off the battery power, the BIOS/CMOS settings will be erased.
If for some reason you’re unable to reset the computer’s BIOS or CMOS security password by removing the battery or clearing the CMOS jumper (using a laptop), here are few tools which you can try to use it to clear the BIOS password.
How to reset the password using PC CMOS Cleaner.
1.Start up
Insert PC CMOS Cleaner CD, Set BIOS to boot from CD/DVD-ROM.
The first page presents to user is : PC CMOS Cleaner is ready to run.
PC CMOS Cleaner will try to decrypt the encrypted password store in CMOS and list the possible results in the list box:
BIOS type : the type of the BIOS.
Possible passwords:
possible passwords store in current computer. The passwords are listed between '' .
3. Reset the BIOS to default state
If the possible passwords do not work. PC CMOS Cleaner will try to reset the BIOS to the default state.
This action will blank the BIOS password. You may also lose all your previous settings.
There are two choice for you:
Choice 1: Reset password (try to keep date and time)
This choice will try to reset the BIOS, but keep the date and time.
Choice 2: Reset bios (all setting will be set to default, password will be erased)
This choice will reset all data in BIOS to default state.
Please try the Choice1 before Choice2.
PC CMOS Cleaner is an easy-to-use tool to recover, delete, decode and display the superior passwords stored in BIOS whatever the brand is. Most types of BIOS such as AWARD, AMI, Compaq, Phoenix, Samsung,DELL, IBM, Compaq, DTK, Thinkpad, Sony, Toshiba are supported. It’s an bootable CD that runs on x86 and x86_64 computers. It can display the superior passwords of the BIOS, remove BIOS password(will set the BIOS to default status, need reset date).
Hi.. I try reset my laptop compaq presario 2500, this software not working ( not reset still got bios password ). any other software or other way to reset compaq presario 2500?
