Windows 10: why I cant't activate my windows 10 pro.I see black screen after without any desktop...

Error code :0x8007007B

:)

 

Black Screen on Startup

Hello,

Could you please answer few questions:

• 
  When you say “Now, nothing is on my desktop” what exactly are you referring to?
  
• 
  Are you getting black screen after Sign in?
  

If you are getting black screen after sign in, I would suggest you to follow the steps mentioned in the below help article and check if it helps.

Troubleshoot black screen problems

http://windows.microsoft.com/en-in/windows-10/troubleshoot-black-screen-problems

Hope this helps in resolving the issue. If the issue persists, do get back to us. We will be happy to assist you.

 

Black screen after the upgraded to Windows 10 Pro

Hi,

I suggest you to refer the link
Troubleshoot black screen problems and follow the steps suggested. Thank you.

 

black screen

Hi,

To assist you better regarding your concern, we would like to know more information:

• Did you get any error messages?
• Have you tried updating the drivers?

We suggest that you try the troubleshooting steps suggested by Sharath Srinivasa on this

link.

You can also check the article about troubleshooting black screen problems on the link below.

windows-10-troubleshoot-black-screen-problems

Hope this information helps. Please post us back if you need any further assistance.