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Grid screen

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Moniquelydia -  
Hello,
I have a grid that has appeared on my screen.
Accidental maneuver??
Thank you for your advice on how to remove it.

Regards

Configuration: Microsoft Windows 7
Microsoft Office 2007 Professional
Google Chrome

3 answers

  1.  Moniquelydia Author
    Thank you... I did as you said... but it didn't work!!! Should I wait before reactivating?? That is to say, uncheck the box on the left..
    Thank you in advance
    10
    1. b planete
      hello

      go to device manager => disable your graphics card and then enable it.
      4
      1. Moniquelydia Author
        grid screen divided into 9 parts
        1