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I have a strange issue with a dual monitor, extended desktop setup where the mouse is always fine on the primary monitor, but sometimes when I move to the secondary display the icon becomes garbled and distorted (sometimes it just looks like a vertical line, instead of a pointer). If I move the mouse back and forth rapidly between primary and secondary displays the level of "garbledness" of the icon will change and sometimes go away completely. If I switch the display settings and set it to "Duplicate Monitor 1" then I end up with a garbled icon on the primary display and an accurate one on the secondary. Very annoying.
Computer is Windows 7 Ultimate with an HD5780 and the newest video drivers. Monitors are two Dell 24" displays connected via DVI cables. I have also tried VGA cables.
1I have a similar issue (same OS, gfx-card and screens) which randomly comes and goes, except in my case its not just the mouse pointer that's garbled. – glenneroo – 2011-01-28T17:14:36.513
@glenneroo Where else are you seeing this behavior? – Nathan Taylor – 2011-01-28T17:22:44.197
My entire 2nd display. It's most noticeable with text - it seems like text is stretched/shrunken making it somewhat strenuous to read. – glenneroo – 2011-01-28T17:27:25.557
@glenneroo This sounds a little different than what I am experiencing, but could be relevant just the same. So far, ATI/AMD has ignored my bug reports. – Nathan Taylor – 2011-02-01T17:35:56.450
Actually I think my screen is just dying. The garbledness factor on monitor #2 just became permanent. Time for a warranty call. – glenneroo – 2011-02-01T17:47:15.207
@glenneroo Good to know. – Nathan Taylor – 2011-02-01T18:45:34.673
1What happens if you leave the settings as is and then switch which monitor is plugged into which output; then you can rule out if it is a Computer-software/hardware or monitor-hardware issue. You could try uninstalling the drivers and doing a clean reinstall. Also check with the computermanufacturer/ Dell monitor to see if there is a known issue/ and Microsoft to see if there is a Win7 bug?! – Iceking007 – 2011-02-18T14:52:19.693