the screen is black at startup, I have to turn off many times before the lites screen upward

screen is dark at the start until I have to turn off several times before the lites screen upward.

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Hi Ken,

It would be more useful if you answer these questions.

1 Windows operating system you are using?

2. What is the brand and model of the computer?

3. were there any hardware or software changes on the computer?

If you use Windows 7, then follow the article provided to fix black screen at startup issue.

Why my screen is black when I start Windows 7?

http://Windows.Microsoft.com/en-us/Windows7/why-is-my-screen-black-when-i-start-Windows-7

Registry warning: Important This section, method, or task contains steps that tell you how to modify the registry. However, 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: How do I back up and restore the registry in Windows

For Windows 7: back up the registry: http://windows.microsoft.com/en-US/windows7/Back-up-the-registry

If you need help with the Windows operating system, just tell me and we will be happy to help you.

Thanks vikrant I used scannow and it fixed my problem of registry. I have windows 7. Click Start type command RT. Click on the cmd icon, click on run as administrator, black screen should appear. type sfc/scannow press ENTER.

Tags: Windows

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