Plug everything back in, power up the computer, and enter the BIOS again. The waiting period allows enough time for them to discharge. The reason for this wait is because the computer can still store power in its capacitors even though everything is unplugged. Take out the CMOS battery and wait 10 – 25 minutes before putting it back in. The computer must not be able to get power from anywhere for this to work. Make sure to power down the computer, unplug the power cables, and unplug any USB devices if they are powered. There are many different ways to remove a CMOS battery but the most common way on newer computers can be seen in the picture below. Once you have located it, observe how the latches are holding it. Some computers have this part standing upright.

It should look something like the picture to the right. This should not be performed on Laptops if you are not experienced working with laptop hardware.Īnyway, open up the computer case using a screwdriver and locate the flat, circular and metallic CMOS battery. If we pull out this battery, the computer will forget a lot of its hardware settings, including its BIOS password. A computer will remember its settings and keep the time even when it is turned off and unplugged because these parts are powered by a small battery inside the computer called a CMOS battery. The simplest way to remove a BIOS password is to simply remove the CMOS battery. How to Bypass or Remove a BIOS Password by Removing the CMOS Battery: The Technibble Marketing Membership has everything you need to get that first MSP client and to continually increase your customer base.

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