How to Unlock BIOS Password on HP Pavilion 13-an1011la

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If your laptop, a 13-an1011la, is showing the error “Boot Device Not Found” after replacing the M.2 drive, here’s a simple guide to help you troubleshoot and resolve the issue.

First, double-check that the M.2 drive you installed is compatible with your laptop. If it’s not, it might not be recognized by the system, causing the error. Make sure the drive is properly seated in its slot and firmly connected.

Next, if your laptop is trying to boot from the old drive but it’s no longer there or not working, you need to access the BIOS or UEFI settings. However, if you find that the BIOS is protected by a password and you don’t know it, recovering access can be tricky.

Since you don’t have the BIOS password, your best option is to reset or clear the BIOS password. This process depends on your laptop model. Some common methods include resetting the BIOS by removing the CMOS battery or using a motherboard jumper. Here are the general steps:

1. Turn off the laptop and unplug it from power.
2. Remove the back panel to access the motherboard. Be sure to follow static safety precautions.
3. Locate the CMOS battery—a small, round coin-cell battery.
4. Carefully take out the CMOS battery and wait about 10-15 minutes. Some laptops might require you to keep it out longer.
5. If your model has a BIOS reset jumper, move the jumper to the reset position for a few seconds, then move it back.
6. Reassemble your laptop, reconnect the power, and turn it on.

If these steps seem too complicated or you’re uncomfortable doing them yourself, it’s a good idea to take your laptop to a professional technician. They’ll have the right tools and knowledge to reset the BIOS password safely.

Once you regain access to the BIOS, check your boot order to ensure the correct drive is selected. Then, try to boot your laptop. If it still doesn’t boot, consider reinstalling the operating system on your new drive, making sure it’s configured properly in the BIOS.

Remember, handling internal components can be delicate work. If you’re unsure, don’t hesitate to seek professional help.