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How To Reset BIOS Settings [All Methods]

Learn how to reset the BIOS settings by picking out the CMOS battery, through UEFI Firmware settings, and more.

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Sometimes, the only solution to fix the ongoing issues when you boot your computer seems to be a BIOS reset. However, the differences among computer devices make it difficult for users to figure out how to reset their BIOS settings. Often, users may worry about their precious data being wiped out because of a minor mistake. Therefore, knowing how BIOS settings can be reset without messing with other things on the PC is essential.

Key Takeaways
  • You can enter the BIOS when your PC is booting and reset its settings back to default by finding the ‘Load Setup Defaults‘ option.
  • You must remove the motherboard’s CMOS battery to reset your PC’s BIOS setting.
  • To reset the BIOS settings, the jumper near the CMOS battery must be reseated on the other 2/3 pins.
  • Resetting the BIOS setting can help your PC function better and wipe out any hidden viruses and malware. Laptops can have their BIOS reset through settings similar to desktop PCs.

Method Difficulty Rating

 Via Booting
Rated: 5/10

 Via Firmware
Rated: 3/10

Rated: 4/10

Via Jumper Pins
Rated: 5/10

Tip: Resetting the BIOS restores original settings without affecting HDD/SSD data. It optimizes component performance, corrects issues like overclocking, and helps remove hidden malware, enhancing overall PC functionality.

Resetting By Entering BIOS When Booting

Accessing the BIOS varies with the motherboard installed on your PC. I have realized that every PC has a different key you must click when your computer boots to enter the BIOS. Below are keys of common brands you must click to enter their BIOS when your PC boots.

HPEsc or F10.
DellF2 or F12.
AcerF2 or Del.
ASUSF2 or Del.
LenovoF1, F2, or Fn+F2.

  1. Setup Defaults: You are most likely to find ‘Setup Defaults’ > The key will most likely be ‘F9’ > Press the key to ‘Setup Defaults.’
    how to reset BIOS settings?
    Press F9 to set up defaults. Image Credit: [Tech4gamers]
  2. Load Setup Defaults: If you can not find the setup default key below on the screen, you may look through the BIOS tabs for ‘Load Setup Defaults’ > In my case, it was under the ‘Restart’ tab.
    resetting BIOS by load setup defaults
    Click on ‘Load Setup Defaults.’ Image Credit: [Tech4gamers]
  3. Exit: Once you have pressed the key or clicked ‘Load Setup Defaults,’ > ‘Yes’ on the confirmation window. After clicking yes, > click F10 to save the changes and exit. This will reset your BIOS settings.

Resetting BIOS Through UEFI Firmware Settings

UEFI (Unified Extensible Firmware Interface) is also a new addition to new PCs. I can tell you that this method is integrated into newer computers and offers a convenient way to manage BIOS settings without physically accessing the hardware. Therefore, the way of resetting BIOS differs from PC to PC.

WARNING: Before resetting BIOS through UEFI firmware settings, ensure to backup crucial data and follow manufacturer instructions meticulously to prevent unintended consequences.

  1. Press Shift + Restart: The latest PCs tend to have UEFI through which you can access your BIOS. All you have to do is press ‘Shift + Restart’ (The restart button appears when you click on the Windows logo and then the power logo).
  2. Advanced Options: After entering the blue-colored window, click on ‘Troubleshoot’ > ‘Advanced Options’ tab.
    advanced options
    Click on ‘advanced options.’ Image Credit: [Tech4gamers]
  3. UEFI Firmware Settings: After entering the ‘Advanced Options’ tab > ‘UEFI Firmware Settings.’
    Resetting BIOS through UEFI firmware settings
    Click on ‘UEFI Firmware Settings.’ Image Credit: [Tech4gamers]
  4. Restart: Click ‘Restart’ to enter UEFI settings once the PC reboots.
    Resetting BIOS through UEFI firmware settings
    Restart your PC. Image Credit: [Tech4gamers]
  5. Setup Defaults: You will again have to look for the ‘Setup Defaults’ option or something similar. For instance, ASUS UEFI settings have ‘Load Optimized Defaults’ under the ‘Exit’ tab.
    ASUS UEFI firmware settings
    ASUS BIOS Settings.
  6. Click Yes: Click ‘Yes’ when the confirmation window appears. The BIOS will reset once you have clicked ‘Yes,’ and your PC will reboot.

Resetting The BIOS By Picking Out CMOS Battery

Resetting the BIOS by removing the CMOS battery is a widely practiced technique to eliminate customized BIOS settings and revert them to their original state. For me it proved to be beneficial in various situations like incorrect configurations or forgotten passwords. Follow these steps:

  1. Shut Down PC: You need to shut your PC down > turn its power supply off. Once there’s no current flowing (Wait a couple of minutes) > you may open the computer case.
  2. Remove the CMOS battery: Look for a CMOS battery attached to your motherboard > You will most likely find it close to the PCI/PCIe slots > Carefully remove the CMOS battery from its place > wait for at least 5 minutes.
    CMOS Battery
    A CMOS battery on a motherboard. Image Credits: ComputerTechnicians
  3. Press the Power Button: Press the power button of the PC (At least 10 seconds) so that the remaining power may drain > Put the CMOS battery back into its place > Make sure the smaller side is facing down when placing it back.
    Turn off PC using power button image
    Press the power button – Image Credits [Tech4Gamers]
  4. Assemble: Your BIOS will reset automatically after putting the CMOS battery back in place > You may reattach the computer case and power your PC on.

Resetting BIOS By Switching CMOS Jumper Pins

Resetting BIOS settings by switching the CMOS jumper pins is a method used to clear the BIOS configuration back to its default state. This process can be helpful in several scenarios:

  1. Shut down PC: You need to shut your PC down > turn its power supply off > Once there’s no current flowing (Wait a couple of minutes) > you may open the computer case.
  2. Find Jumper: Look for the jumper near the CMOS battery > It will be sitting on 2 of the three pins on the motherboard.
    CMOS jumper reseating to reset the BIOS settings
    CMOS Jumper.
  3. Switch Pins: Pick the jumper > switch the pins it is sitting on. For instance, if the jumper is sitting on pin 6 and pin 4 > you should make it sit on pin 2 and pin 4.
    Image showing CMOS Jumper Pins Settings
    CMOS Jumper Pins Settings – (Image by HP)
  4. Press the power button: Press the power button of the PC (At least 10 seconds) so that the remaining power may drain.
  5. Set Jumper Back: You may return the jumper to the pins it was previously sitting on (Pin 6 and Pin 4).
  6. Assemble: Your BIOS will reset automatically after putting the jumper back in place > You may reattach the computer case and power your PC on.

What Affects Does BIOS Have On PC?

Resetting BIOS restores default settings, improving component performance by undoing changes like overclocking. It doesn’t erase HDD or SSD data but helps resolve issues and removes hidden malware, enhancing system stability.

Final Thoughts

Resetting the BIOS is relatively easy when done through the PC’s settings. However, some users might hold themselves back when it comes to having contact with the internal hardware of the PC (CMOS battery). Whatever the method is used, resetting the bios settings makes everybody nervous. 

If you’re unsure about the process or find it challenging to handle PC components, it’s advisable to follow our tested methods for resetting BIOS settings yourself, which are detailed and reliable. 

Frequently Asked Questions

Is it safe for me to reset my BIOS?

You do not have to worry about resetting the BIOS. All the data that is stored on your hard drives will remain safe.

Will Windows be affected if I reset the BIOS?

Not necessarily. The only thing that will be affected is the BIOS settings you may have changed before.

Is resetting my BIOS necessary?

A BIOS reset is only done sometimes. You should only reset BIOS if you are having trouble with the hardware or the booting process or suspect any malware presence.

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