While starting your computer, if you get a DISK BOOT FAILURE – INSERT SYSTEM DISK AND PRESS ENTER error, this article would be handy for you.

If you see Start PXE over IPv4 on MAC error during boot on your HP, Dell, Lenovo, etc. computers, it can happen if a bootable operating system cannot be found.

If you’ve ever seen your HP printer display the dreaded “Non-HP Circuitry Detected” warning, you’re not alone.

Patrick Marshall helps readers with questions about error messages, password problems and a PC that won't start without a double boot.