Reset your BIOS

We provides you with easy steps to reset your PC/MAC bios.

We provides you with easy steps to reset your PC/MAC bios.

This guide details how you can reset your BIOS (or CMOS) to its default settings. This guide applies regardless of the Windows version you currently have installed on your computer: XP, Vista, 7, 8, 8.1andWindows 10.

You can follow the instructions from this guide for most major manufacturer of computers: Dell, HP, Asus, Acer, Lenovo, Toshiba, Samsung, and more.

Clearing the CMOS on your motherboard will reset your BIOS settings to their factory defaults, the settings that the motherboard maker decided were the ones that most people would use.

Your computer stores low-level settings like the system time and hardware settings in its CMOS. These settings are configured in the BIOS setup menu. If you’re experiencing a hardware compatibility issue or another problem, you may want to try clearing the CMOS.

Clearing the CMOS resets your BIOS settings back to their factory default state. In most cases, you can clear the CMOS from within the BIOS menu. In some cases, you may have to open your computer’s case.

One reason to clear CMOS is to help troubleshoot or solve certain computer problems or hardware compatibility issues. Many times, a simple BIOS reset is all you need to get a seemingly dead PC back up and running.

You might also want to clear CMOS to reset a BIOS or system-level password, or if you've been making changes to BIOS that you suspect have now caused some kind of problem.

Below are three very different ways to clear CMOS. Any one method is as good as any other but you may find one of them easier, or whatever problem you might be having may restrict you to clearing the CMOS in a particular way.