Why is my computer not booting up?

Why is my computer not booting up?

Explore the BIOS If your computer turns on and you see the POST screen but can't boot into Windows, certain settings may be causing a problem. For example, if you get an error stating that your computer can't find a bootable operating system, it's possible your BIOS is set to boot from the wrong drive.

How do I fix my HP computer that won’t boot up?

If computer does not boot into Windows, turn on the power and press f8. On the Windows Advanced Boot Option screen, select one or more of the following options. Select them one at a time and press the enter key to attempt a system restart. Repair Your Computer allows Windows to run diagnostic tests.