Hello and welcome to justanswer, My name is ***** ***** i will be assisting you today,
I'm sorry about the issue, when did this start and what is the model/brand of your computer ?
It is a laptop or a desktop?
Ok, do you have a recovery disc or windows 8 installation disc please?
Please Reboot the computer and repeatedly tap the F8 key until the menu appears. Select Repair your computer then press enter. Accept or change the language and keyboard selections, then click Next.
Select your Windows user name from the drop-down list, and enter your Windows password, then click OK.
The System Recovery Options menu will appear, select Startup Repair then follow the prompts.
let me know the results please
Please try F9, F12, ESC or del buttons
has everything worked out ?
Installing windows 10 can absolutely help solving this problem, do you have the windows 10 installation disc ? also do you have important data on your desktop ?
Yes it is free but before that you need to login to your computer an d launch the updates.
can you try these steps again :
let me know if you need any further help
do you still need help please?
Ok, great! let me know if you need any further help and i will gladly continue to help
No problem at all, I'm here to help you, can you tell me what option you have on your computer screen.
choose the Run Diagnostics button and hit enter, A full diagnostic takes about 15-20 minutes.
once finished, please retart your computer and check.
hope it work
Is your computer runs now, do you still need help please?