Before knowing how to reset Dell BIOS password, you should have learn that the best method to reset a BIOS password depends on what BIOS the computer has. The most Common BIOS ‘s include IBM, American Megatrends Inc, Award and Phoenix.
Different BIOS has different ways to reset the password. Some BIOS allow you to require a password be entered before the system will boot, while some before the BIOS setup may be accessed.
There are many ways to reset BIOS password, Take Dell PC or laptop for example.
1. Resetting Dell BIOS password by a backdoor password
Some BIOS manufacturers implement a backdoor password. The backdoor password is a BIOS password that works, no matter what the user sets the BIOS password to. These passwords are typically used for testing and maintenance. The Dell Manufacturer backdoor password is “Dell”. This BIOS password may simply have the same checksum as the real backdoor BIOS password.
2. Resetting Dell BIOS password by BIOS password Recovery.
We should know that every system must store the BIOS password information somewhere. If you can log into the computer after it has been booted successfully, you may be able to view the BIOS password. The memory address where the BIOS password is stored and the format in which the BIOS password is stored, you should know them clearly. This is what the BIOS password Recovery works. If you still have not way to do, download The BIOS Password Recovery to reset your Dell BIOS password.
3. Resetting Dell BIOS password by removing the CMOS battery
The simplest way to remove Dell BIOS password is to remove the CMOS battery. The BIOS password is stored in CMOS memory that is maintained while the PC is powered off by a small battery, which is attached to the motherboard. If you remove this battery, all CMOS information (including the BIOS password) will be lost. You will need to re-enter the correct CMOS setup information to use the machine. The machines owner or user will most likely be alarmed when it is discovered that the BIOS password has been deleted.
This should not be performed on laptops if you are not experienced working with laptop hardware. Open up the computer case and find the metallic CMOS battery. Once you have located it, make sure to power down the computer, unplug the power cables and any USB devices if they are powered. The computer must not be able to get power from anywhere for this to work. Take out the CMOS battery and wait 10-25 minutes before putting it back in.
Then plug everything back in, power up the computer and enter the BIOS again. If everything went well, there should be no more passwords.
Note: Resetting BIOS password is not an easy job. If you can’t do that, ask a Technician to help.