Question I'm having a boot loop issue!

[kmax101]

The problem started today when I switched on my PC and after showing the splash screen, it just goes into the BIOS settings. I tried to load the default settings but it didn't work.
Plzz help..!!

I have an ASUS H97 Pro mobo
8GB Corsair vengeance DDR3 ram
1TB hdd
Windows 8.1

 

[rgd1101]

so it didn't see the hdd in bios?

 

[kmax101]

so it didn't see the hdd in bios?

It does show the hdd