This guide is just the ticket for those of you who love your tablet or anyone who would like TURN_ON PC. Here's the problem - white screen is not working any more for over one week. Could you help me with this annoying problem? Just finish this article and everything will be fixed.


A few problems that you will see in your computer:

This error may cause thatPC crash and run slowly, software not be opened, game not run.

Symptoms of the error

Usual symptoms involve:

  • Error message 1
    Activation Error: why is my computer screen black windows 7
    DNS Name does not exist
  • Error message 2
    Windows could not be activated.
    Key management services (KMS) host could not be located in domain name system (DNS), please have your system administrator verify that a KMS is published correctly in DNS.
    Activation Error: why is my computer screen black windows 7
    DNS Name does not exist
  • Error message 3
    why is my computer screen black windows 7
    The file name, directory name, or volume label syntax is incorrect
What Causes why is my computer screen black windows 7?

The most important reason behind why is my computer screen black windows 7 is:

  • White screen device faulty
  • White screen device missing
  • White screen equipment misconfiguration
  • White screen driver issues
  • White screen problems
Manual Resolution

This method for correction should be used when the network does have a KMS host computer settings, and the client can not find the KMS host on the network to complete the activation.
Do verify that the computer does in fact have the KMS host installed. Click Start, All Programs, Accessories, and then right click on Command Prompt. Run as administrator. Please do this if you are prompted for a password or confirmation. When the command prompt box comes up, type in the following command, and then press Enter: nxlookup -type=all_vlmcs._tcp>kms.txt
The command will generate a file, then open this KMS file. The file will include one or more entries. As a default, the KMS host server every 24 hours to dynamically register a DNS SRV server evidence. In order to check the registry to guarantee that this happens, follow these steps:

  • Click Start, type in regedit, and then press Enter.
  • Locate the key HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SL and then click on it.
  • The DisableDnsPublishing subkey should be present and have a value of 1. If it is missing, create a DWORD value by right clicking DisableDnsPublishing, click Modify, in the Value Data box type in 0, and then click Okay.

Another Solution: why is my computer screen black windows 7

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Fix the error why is my computer screen black windows 7 in 3 steps.

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Step 2: Open SmartPCFixer and Click "Quick Scan" to analyze your System(Normally, the software performs an automatic scan).

Step 3: Click "Fix All" button when the scan is complete, then the issue will be resolved

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