MSI z370 won't boot after enabling game boost

[tasos_lu]

I have a Z370 mobo with a I8700 CPU. I tried the game boost mode and after fisrt login to Windows everything seemed right. After I disabled the game boost my pc won't boot. I tried to flash the mobo by removing the battery for at least 3 minutes. The settings went back to normal but my pc won't boot Windows. Starts to do some automatic repairs but can't do anything. Please help!

 

[Lutfij]

1| Make sure the boot device priority has Windows Boot Manager as the primary drive.
2| If you have nothing of value on the OS partition, you could reinstall it since most often the automatic repair or restore options fail to reach/meet the intended purpose.
3| You may want to share your full system's specs like so:
CPU:
Motherboard:
Ram:
SSD/HDD:
GPU:
PSU:
Chassis:
OS: Windows 10

 

[tasos_lu]

MY system's specs are:
CPU: i7 8700
Motherboard: MSI z370 Gaming Plus
Ram: 16g Corsair vengeance
SSD/HDD: Samsung 850pro 256g
GPU: Sapphire HD7950OC
PSU: 600W
Chassis: Coolermaster full tower
OS: Windows 10 ultimate 64bit.