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Using Windows 7 SP1 64-bit, without Aero. I'm not connecting through remote control. This problem does not occur when the machine comes out of standby/hibernate.

My screensaver is set to "blank". When I move the mouse to get out of the screensaver the screen will be black. When I start moving the cursor it's like I'm drawing/refreshing segments of the screen. If I tab to a window that is maximized, the whole screen will be refreshed at once.

This problem appeared after I've replaced my old monitor with a minutely newer monitor: a LG Flatron L1930P.

I'm assuming its a monitor issue, however I'm not sure how to fix it. Help?

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  • Try a different, known-good monitor (and cable) and see if it behaves the same way.
    – Ƭᴇcʜιᴇ007
    Oct 31, 2014 at 18:50
  • I'd think graphics driver issue, or struggling for graphics memory. If you grab a window & drag it round the screen does the area behind where you drag it refresh? [assuming live window dragging, not border] Any change with Aero on? I'm pretty sure that disabling Aero on Win7 affects hardware skinning & is not necessarily wise to do [unless it's a very low-end GPU]
    – Tetsujin
    Oct 31, 2014 at 19:05
  • @Ƭᴇcʜιᴇ007: with a different monitor (same cable) it works fine. Tetsujin: yes, it does. My GPU is integrated into the CPU, so I assume it's pretty low-end.
    – Howie
    Nov 1, 2014 at 18:12

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