Sometimes, your gear might not boot due to an undetected CPU.

Why does it occur?

How to fix CPU not detected or found?

In this post fromMiniTool, you’ve got the option to find all the answers you want.

CPU Not Detected

It is easy to assemble a computer.

However, if you dont excel in computers, mistakes might crop up.

CPU not detected or found is one of the issues that you might receive after building a computer.

Why is your CPU not detected?

The reasons behind the issue are various including:

How to Fix CPU Not Detected?

To do so:

Step 1.

Power off your machine and turn off thePSU.

Remove the case side panel.

Leave the battery out for a few minutes to make the power drain out.

After that, put the battery back and the BIOS will be reset.

Heres how to reseat your CPU:

Step 1.

Unplug the CPU cooler.

Unscrew the cooler and then remove it.

Press the metal handle slightly on the socket and pull it upwards to release the CPU.

Examine if there are any bent pins on the socket.

If not, align a small golden triangle on the CPUS corner with the triangle on the socket.

After the CPU is in place, push the metal handle back into place.

Reboot your Windows machine to peek if CPU not detected is gone.

How to upgrade a processor/CPU in your PC?

This is a complicated thing and you could follow this detailed guide to replace your CPU.

Go to the motherboards official support site to download the right BIOS files on another computer.

Extract the downloaded files and add them to the USB flash drive.

Then, add the USB to the PCs Flashback port.

Ensure your gear is powered off and then press & hold the BIOS Flashback button for several seconds.

Now, reboot the computer to see if CPU detection issues still persist.

Without BIOS Flashback

Things will be more complicated if your motherboard doesnt have the BIOS Flashback feature.

Also see:

How to Update BIOS MSI?

Heres Your Complete Guide

How to Update Intel BIOS?

you’re able to consider fixing the bent pins by yourself or replacing the CPU altogether.

Final Words

Heres an end of CPU not detected on Windows 10/11.

If permitted, follow the instructions mentioned above carefully with the help of a computer expert.

Hope this guide can help you a lot!