Computer laptop white screen at startup

A few days before, at a bend on a laptop, the screen remains blank (was not lit at all) but the computer sounded as if it was put into service. What are the possible causes for this problem?

Hello Pierre,.

Thank you for using Microsoft Community.

1. does the computer boot to the desktop, or you see the white screen on startup of the computer?
2 did you change on your computer?
3. What is the brand and model of the laptop?
4. as you mentioned, "when you turn on your laptop, the screen remains blank (was not lit at all) but the computer sounded as if it was put into service ', what exactly happens when you start the computer?

If you get white screen SAT after the start of the desktop, then I suggest you follow this article and check.

Why my screen is black when I start Windows 7?

Important notes:
When you use system restore to restore the computer to a previous state, the programs and updates that you have installed are removed.

Serious problems can occur if you modify the registry incorrectly. Therefore, make sure that you proceed with caution. For added protection, back up the registry before you edit it. Then you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click on the number below to view the article in the Microsoft Knowledge Base:

Please answer with results so that we can help you further.

Thank you

Tags: Windows

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