Your computer’s BIOS, short for Basic Input/Output System, is a critical part of how your hardware works from the first day of use to the last. Reset internally from your device’s BIOS or UEFI menu. Reset by removing or replacing the CMOS battery. Clear and reset BIOS settings by clearing your motherboard jumper.
How do I reset my BIOS to default?
Reset BIOS to Default Settings (BIOS). Enter BIOS Setup Utility. See Accessing BIOS. Press the F9 key to load the factory settings automatically. Confirm the changes by highlighting OK and then pressing Enter. To save the changes and exit the BIOS Setup utility, press F10.
What happens if I reset my BIOS?
Typically, resetting the BIOS will reset the BIOS to the last saved configuration or reset your BIOS to the BIOS version that came with the PC. Sometimes the latter can cause problems if the settings are changed to account for hardware or operating system changes after installation.
How do I fix a corrupt BIOS?
There are three ways to do this: Boot into the BIOS and reset it to factory defaults. If you can boot into the BIOS, go ahead and do that. Remove the CMOS battery from the motherboard. Unplug your computer and open your computer case to access the motherboard. Reset the jumper.
How do I restore BIOS settings?
Reset BIOS settings on Windows PCs. Navigate to the Settings tab under your Start menu by clicking the gear icon. Click the Update & Security option and select Recovery from the left sidebar. You should see a Restart Now option under the Advanced Settings heading; click this when finished.
How do I reset the BIOS without BIOS?
The easy way to do this, which works no matter what motherboard you have, is to turn the switch on your power supply to off(0) and remove the silver button battery on the motherboard for 30 seconds, reinsert it, turn the power on again, and boot up, it should reset you to factory settings.
Is it safe to reset CMOS?
Clearing the CMOS should always be done for a reason, such as solving a computer problem or clearing a forgotten BIOS password. There is no reason to remove your CMOS if everything is working properly.
Is resetting CMOS safe?
Clearing the CMOS does not affect the BIOS program in any way. It would help if you always cleared the CMOS after updating the BIOS. The updated BIOS may use different memory locations in the CMOS memory, and the other (wrong) data may cause unpredictable or even no operation.
How do I reset my BIOS chip?
To reset the BIOS by replacing the CMOS battery, follow these steps instead: Shut down your computer. Remove the power cord to ensure that your computer is not receiving power. Make sure you are grounded. Locate the battery on your motherboard. Could you remove it? Wait 5 to 10 minutes. Replace the battery. Turn on your computer.
How do you diagnose a BIOS problem?
Log into the BIOS by pressing the Delete or F2 key (depending on your motherboard) during your computer’s boot process (when you see the BIOS screen appear). Navigate to the Tools tab. You should see an entry called Profile.
What can cause BIOS corruption?
There can be three main causes for a BIOS error: a corrupted BIOS, a missing BIOS, or a poorly configured BIOS. A computer virus or failed attempt to flash the BIOS can cause your BIOS to be corrupted or completely removed.
How do I reset my UEFI BIOS?
How do I reset my BIOS/UEFI to default settings? Turn on the system. Press and hold the power button for 10 seconds until your system is completely turned off. Press F9 and then Enter to load the default configuration. Press F10 and then Enter to save and exit.
What happens if the BIOS doesn’t work properly?
Hardware problems can lead to unexplained error messages, poor performance, and devices that don’t work properly. When a hardware component as critical to basic computer operation as the BIOS fails, the computer can refuse to boot.
Does resetting CMOS delete the BIOS?
Clearing the CMOS on your motherboard will reset your BIOS settings to factory defaults, which the motherboard manufacturer decided were the settings most people would use. After removing the CMOS, you may need to enter the BIOS setup utility and reconfigure some of your hardware settings.
How do you reset the BIOS on a laptop?
Performing a System Restore from the BIOS: Enter the BIOS. On the Advanced tab, use the arrow keys to select Special Configuration and then press Enter. Select Factory Restore, then press Enter. Select Enabled and then press Enter.
How do I get into the BIOS?
To access the BIOS on a Windows PC, you need to press the BIOS key set by your manufacturer, which can be F10, F2, F12, F1, or DEL. If your PC goes through the self-test boot too quickly, you can also enter the BIOS through the advanced recovery settings of the Windows 10 start menu.
What do you do after you reset CMOS?
Try performing a Windows repair with your OS disk. Try disconnecting the hard drive and turning on the system. If it gets stuck at a BIOS message that says “boot error, insert system disk and press enter”, then your RAM is probably fine, as it was successfully posted. In that case, concentrate on the hard disk.
Where is the CMOS reset button?
Reset your CMOS with a Case button. Turn off your computer. Unplug your computer from the electrical outlet. Locate the case button labeled “Clear” or “Reset”. It is usually located next to or near the power button. Press and hold the “Clear” or “Reset” button for five to ten seconds, then release it.
Why is my PC on but no screen?
If your computer boots up but doesn’t display anything, check that your monitor works properly. Check your monitor’s power light to make sure it’s turned on. If your monitor won’t turn on, unplug your monitor’s power adapter and then plug it back in.
