For several months(5-6) I've been experiencing screen static on my laptop. However the problem cannot be captured with a screen shot, and is temporarily resolved(for a day or two) by changing the resolution to a lower setting, then reverting back to the original size. Here is a picture I captured with my smartphone:
Thank you in advance for any help you can lend me!
Boot the operating system into safemode. Do you see the static while in this mode?
If no, then the culprit could be the video card or the video card driver. Try reinstalling the Dell WHQL video card driver.
If yes, then the cabling connecting the LCD to the motherboard could be at fault or loose.
Another test is to boot the M14x-R2 into normal mode. Connect an external monitor to the VGA or HDMI out on the side of the M14x-R2. Does the external monitor show the static?
I am experiencing the same issue as described above. It randomly happens (although very seldom) when switching (ALT+TAB) from games to desktop. When I encounter this issue, switching back to game solves it and then switching back to desktop works just fine. Don't know, what the problem is. I'm using W7 x64 Ultimate with newest nVidia drivers 331.82 acquired via update button in nVidia control panel. And I'm using VGA output.
The newest drivers I am using right now do it on freshly re-installed system but this issue happened even before reinstalling it. And I used older drivers back then.
Didn't remember whether this happened on the laptop screen itself or on my 2nd HDMI connected display, but the VGA connected display does it. But as I said, it happens very seldom.
The solution for my problem ended up being a complete replacement of the laptop display, and a rollback to the OEM nvidia drivers. Hope this helps, going on a month now now issues have cropped up.