1) Shutdown the computer.
2) Turn the computer back on again and repeatedly tap on the ESC until a Startup menu appears.
3) Press F2 once.
4) Go to the Component test.
5) From the list, run the Hard Drive (extensive) test.
If the test is passed, you have to perform the
recovery.
If the issue still persists, you will have to order a recovery media:
Click here for steps.
Or you may also attempt to download the same using the steps on this link:
click here
Performing the recovery you will lose the personal data of an installed application.
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