pc problem startup

[doomclasse]

recently i installed windows 10 and i get problem in my startup appear a message no bootable device so i tried to press f12 and i clicked to hard drive and its worked the problem is that the only way , some have solution for that ?
if some one want to ask the priority of boot . the hard drive are first ,

 

[Colif]

is there an option in boot order called Windows Boot Manager? if your PC is set up as UEFI boot method, this might be what you need as 1st item to avoid getting the no bootable device warning