Flash or lela drive connected kehone disconnect arg

You need to reinstall Windows all over again!!

Be flash boot latadergew nbr malet le flash layi software Lemechanew

It isn't recognising any bootable device, press f2 and check if there's one, check the boot order too if changed

Perhaps your windows boot failed to load properly so u need to use a USB ( bootable) them reinstall windows, you can either choose to keep your old files or remove them upon your installation