Windows 7 reactivation after repair

I have Windows 7 ProOA installed on my computer. Since the repair, I am prompted to enter the product key. The product key appears as invalid? Any suggestions?

Have you tried to restart by phone?

How to activate Windows 7 manually (activate by phone)
 
1) click Start and in the search for box type: slui.exe 4
 
(2) press the ENTER"" key.
 
(3) select your "country" in the list.
 
(4) choose the option "activate phone".
 
(5) stay on the phone (do not select/press all options) and wait for a person to help you with the activation.
 
(6) explain your problem clearly to the support person.
 
http://support.Microsoft.com/kb/950929/en-us

or

Try the following:

Click Start, right click on computer

Click on properties

Scroll down to the Windows Activation

Click on the link 'change product key '.

Enter the product key located on the COA sticker attached to the bottom of your laptop or in the battery compartment. Click next to activate via the Internet.

COA certificate of authenticity:

http://www.Microsoft.com/howtotell/content.aspx?PG=COA

??

What is the certificate of authenticity for Windows?

http://Windows.Microsoft.com/en-us/Windows7/what-is-the-Windows-certificate-of-authenticity

Tags: Windows

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