Hello Mav,
Thank you for posting your query on Microsoft Community.
I understand how frustrating it could be when things do not work as expected and I will certainly help you in the right direction to fix the issue.
There could be several reasons for causing this issue such as hardware corruption (like RAM or graphic card corrupted), external device conflict, display driver corruption, hard drive corruption, system file corruption due to virus.
Let’s try to identify the actual cause and troubleshoot accordingly.
However, I would appreciate if you could answer a few questions to narrow down the issue in order to provide you with better assistance.
- Are you able to boot the computer to the desktop?
- Is there any external devices connected with the computer?
If you are not able to boot the computer to the desktop and still you getting black screen, then I would suggest you to refer the steps from this link and check if it helps.
https://answers.microsoft.com/en-us/windows/forum/windows8_1-performance/black-screen-windows-81/778e1c92-ab80-4979-96f9-3f8a66ff75bd
If you are able to boot the computer to the desktop, then I would suggest you to update the display driver and try to run a memory diagnostic tool to check the RAM performance.
To do so, follow the steps given below:
Step 1:
Try to update the display drivers through Device Manger.
To do so, follow the steps given below:
a. Press Windows key + X from the keyboard and click on
Device Manager.
b. Device Manager Window will be open.
c. Double click on Display adaptor. (It will show you the list of display drivers).
d. Right click on the display driver and click on
Update driver.
e. Restart the computer. Check if it helps.
You may also refer to this Microsoft article: Download and install drivers.
Step 2:
Run Windows Memory Diagnostics utility. Windows 8.1 includes built-in features to help you identify and diagnose problems with memory. Refer to the steps below:
- Press Windows key + R on the Keyboard.
- Type mdsched.exe in the Search box, and then press Enter.
- Choose whether to restart the computer and run the tool immediately or schedule the tool to run at the next restart.
- Windows Memory Diagnostics runs automatically after the computer restarts and performs a standard memory test automatically. If you want to perform fewer or more tests, press F1, use the Up and Down arrow keys to set the Test Mix as Basic, Standard,
or Extended, and then press F10 to apply the desired settings and resume testing.
- When testing is completed, the computer restarts automatically. You’ll see the test results when you log on.
You may also refer the article below for information on Memory diagnostic tool.
http://windows.microsoft.com/en-in/windows7/diagnosing-memory-problems-on-your-computer
(The contents in this article holds good for Windows 8)
Hope the information helps. Let us know if you need further assistance with Windows related issues, we’ll be glad to assist you.
Thank you