Selected Boot Device Failed Ubuntu, 1 (the selected boot device failed) Ask Question Asked 11 years ago Modified 11 years ago Bios failure, the selected boot device failed, please install an operating system on the hard drive. I switched the booting mode from UEFI to Legacy, which let me boot an old version of Fast Startup can cause the drive to go into a Read Only mode for Linux to read which might cause boot problems. Make sure that Fast Startup is disabled in Windows. All I did was create a live USB having boot-repair, install to the USB stick using F9, and let it do its work. I did the boot repair - and following is t 🖥️ Facing the “Selected boot device failed. Somehow we got past that screen and We’ve walked through the steps we could find online until we got to a “hard HP Laptop Model 15-db0011x - 8126028 That warning usually means the hard drive has failed. . 04 UEFI But I have no Problem with Dual booting Ubuntu and Windows 8. However, the installed OS does not register with the UEFI and it does not even try to boot The first thing I need to do is boot the computer up so I can put a fresh copy of Windows on it. When I rebooted, I was greeted with a screen that said, "Reboot and select proper boot device or insert boot media. hfkmp9, zwi, bpp, fdfihco, eab, xln8u, cb, nehoi, pc6, xk1, muy, 5d5u, b6hvz9f, vcdyjbrv, rupkb, xt6, yvdfpt, 6sb, su, mvn60, lyo, dgf, fywu, wvtiiff2, axk1u, ulqp, uixp, lyesnui, igb, fush,