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 see a Reboot and Select proper Boot device. Or Insert Boot Media in Selected Boot device and press a key message on Windows 11/10, see this fix.

First solution: Recreate EFI structure and reconfigure boot files on your computer. EFI stands for Extensible Firmware Interface system partition, also referred to as ESP.

Windows 2000 looks for controller a to boot upon, and shits its lips when it cannot find it, instead finding b, a device it has no idea about (and this is the key part) because its a NEW device it ...

If your PC is not booting and showing an "Inaccessible Boot Device" error, then here is a fix to resolve this issue and make your PC function normally. The inaccessible boot device is a common ...

Well you can start by checking the presence of any boot sector viruses. Try by removing the partitions all together and dong afresh. Also check the size of the System partition. Lastly get hold of ...

So, after noting the “can’t open boot device” error, I took the DVD and inserted it into the CD/DVD reader on my laptop to see what it looked like.

Here's a workaround Microsoft suggests if your device is failing to boot after installing the October 10 Patch Tuesday update.

A master boot record (often shortened as MBR) is a kind of boot sector stored on a hard disk drive or other storage device that contains the necessary computer code to start the boot process.