hello! I want to tell you that before updating BIOS my PC was functioning normal and after BIOS update it starts throwing error ”NO Bootable device” . lets begin. Hard shutdown your PC. now restart it. press F2 key repeatedly and go into BIOS setting menu. look for F12 Boot Menu And enable it. Go to Boot set it on legacy boot. now press ok now again press OK: save setting and exit. Restart your PC voila! if you liked my video please subscribe my channel. like it. And most important thing share your experience in comment box. Thank you!