Hello guys
I have some kind of graphic problem here. you may see in the photos.
I removed original OS (Vista) and installed windows 7 and after a while, when I was doing some photoshop stuff things changed.
As it show in photos, I have some knid of periodic vertical hashed blue lines over my screen. that starts to show when computer powers on.
Notebook Model : VAIO VGN-SZ680N
Original OS : Vista Business x86
Graphic Card : nVidia GeForce 8400M GS
Please let me know if I should provide any additional information.
Thanks in advance
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