Black Screen Random Timings.

[SwayisGod]

After I downloaded windows 10 latest update, I left to do something for a while and then when I came back, the screen showed “reboot and select proper boot device.” I’ve tried rebooting and it does that randomly for a long period of times... why does it do that?

 

[RARRAF]

press delete and select boot devices then main boot drive

 

[SwayisGod]

press delete and select boot devices then main boot drive

I did but it still says it

 

[RARRAF]

if thats the case then the cmos battery a watch battery on the motherboard is dead and needs replacing can get one from any watch shop or battery shop only £3-5

 

[SwayisGod]

if thats the case then the cmos battery a watch battery on the motherboard is dead and needs replacing can get one from any watch shop or battery shop only £3-5

Now for some reason, my monitor is now all black... even it won’t show the bios