Fast Solution to Error: Black screen in Windows 7. Works again when pressing power button on screen!?

Black screen in Windows 7. Works again when pressing power button on screen!?

I have a HP Pavillion desktop PC with Windows 7.
Today, when I used my computer, the screen suddenly went black.
However, the power indicator for the screen showed that it was still turned on.
So, I turned off the screen and turned it on again and voila! The display was back again.
However, after like 5 minutes, the same thing happened - the screen went black.
The only way to get it back is to turn the screen off and on again.
While the screen is black, there is still sound and the keyboard and mouse still work - there is just no display.
Does anyone know what is happening? What is the solution?
I recently had my graphics card replaced because of another problem (older problem was that the computer wouldn’t turn on due to the faulty graphics card)
Can anyone help?
Thanks in advance!

Keys to the Problem Black screen in Windows 7. Works again when pressing power button on screen!?

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Hello Ugam,
Thank you for posting your question on Microsoft Community Forum.
I would like to know some information about the issue so that we could help you better.
1.
What is the model number of your desktop?
2.
Do you receive any error message or code when you turn on the screen again?
I would suggest you to try following methods and check if it helps.
Method 1:
Please use suggestions provided in this Microsoft help article and check.
Why is my screen black when I start Windows
http://windows.microsoft.com/en-US/windows7/why-is-my-screen-black-when-i-start-windows-7
Important notes:
Serious problems might occur if you modify the registry incorrectly.
Therefore, make sure that you follow these steps carefully.
For added protection, back up the registry before you modify it.
Then, you can restore the registry if a problem occurs.
For more
information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:
http://windows.microsoft.com/en-us/windows/back-up-registry
When you use System Restore to restore the computer to a previous state, programs and updates that you installed are removed.
If it does not help, then use article in method 2.
Method 2:
Use suggestions provided in this article and check the issue.

Windows Vista and Windows 7 Black Screen on Computer Unlock
http://support.microsoft.com/kb/2431700
I hope this information helps.
Please do let us know if you need any further assistance.
Thank you

Open Action Center by clicking the Start button Picture of the Start button, clicking Control Panel, and then, under System and Security, clicking Review your computer's status.

Make sure your computer has at least the minimum amount of random access memory (RAM) required to run the program that is displaying the error. Look for the program requirements online or in the packaging information.

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