How to Reset BIOS Password

Important Notice

• Never attempt to bypass security on a device you do not own. This is illegal and unethical.
• Consult an authorized technician or your device manufacturer if unsure.
• Handle internal components with caution to avoid damage.

Problem Overview

• Forgotten BIOS supervisor password can prevent access to secure boot settings.

Method 1: Remove CMOS Battery

1. Preparation:

   • Ensure laptop is cool and stable.
   • Power off and unplug the laptop.

2. Steps:

   • Open the laptop case carefully.
   • Remove and disconnect the main battery.
   • Locate and remove the CMOS battery (usually a small, round silver battery).

3. Procedure:

   • Drain remaining power by pressing the power button.
   • Wait 5-10 minutes for BIOS password reset.

4. Verification:

   • Reassemble the laptop and check if the password is reset.
   • If unsuccessful, turn on and off the laptop with the CMOS battery removed.

Method 2: Use CMOS Jumper

1. Locate Jumper:

   • Find the BIOS reset jumper near the CMOS battery, labeled as CMOS Clear or similar.

2. Steps:

   • Move the jumper from the default to the reset position for a few seconds.
   • Return the jumper to the default position.

3. Reassembly:

   • Put the main battery back.
   • Close the laptop case.
   • Plug in AC power and power it on.

Final Recommendations

• If neither method works, contact the manufacturer for assistance. Companies like HP and Lenovo offer reset codes based on serial numbers.
• Reach out to their support team for instructions.

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