The battery powers the CMOS chip, which is responsible for storing the BIOS settings and other important information. It is typically a small, cylindrical battery that is inserted into a small port on the motherboard. The CMOS battery is located on the motherboard of your HP laptop. Where is the CMOS battery on my HP laptop? Once the computer is turned on, you will need to release the power button to boot into BIOS setup mode. After the battery is removed, you will need to press and hold the power button for a few seconds to turn on the computer. Once the computer is powered off, you will need to use a screwdriver to access the battery compartment and remove the battery. To clear the CMOS BIOS on a PC, you will need to power off the computer and remove the battery for a few minutes. When the battery is low or the AC adapter is not plugged in, CMOS can reset the laptop and restore its settings. It stores the system settings and data for the laptop. What is CMOS in HP laptop?ĬMOS is a computer memory chip. Hold down the power button for another 15 seconds to turn the laptop back on. Once it has turned off, remove the battery again and wait 10 seconds before reinserting it.
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Once the battery is reinserted, hold down the power button for 15 seconds until the computer turns off. To clear the CMOS on your laptop, you will need to remove the battery and wait 10 seconds before reinserting it. FAQ How do I clear the CMOS on my laptop?