The Packard Bell 4630 is a desktop computer that runs the Windows operating system. If the BIOS (Basic Input/Output System) on your 4630 is locked, you can reset it by removing the battery from your computer's motherboard. When you remove the battery from the motherboard, all power to the BIOS chip is taken away. This resets the BIOS chip back to the default settings. Once the password has been removed from the BIOS, you will be able to access all of the BIOS settings with no hassle.
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Things you need
Remove the power cord from the back of your 4630. Press the "Power" button on the front of the computer to dispel any power trapped inside the computer.
Use a Phillips screwdriver to remove the two screws holding the tower door to the unit casing. These screws are located on the right-hand side of the computer's back panel. Push the tower door away from the unit casing to reveal the inner components of the computer.
Locate the BIOS battery, which is a small silver battery located next to the processor. Use your screwdriver to remove the battery from the battery compartment.
Leave the battery out of the compartment for about 10 seconds to reset the BIOS. Replace the battery and then replace the tower door. Replace the screws holding the tower door in place.
Put the power cable back into the back of the computer, and then turn the computer back on. Press the "F10" key while the computer is starting up to access the BIOS settings.
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