give us more info e.g. are those 3d games? hardware config? temperatures of gfx card & cpu? – bubuMay 30 '11 at 17:56
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You say it's a recent change in behaviour. What's changed recently? Have you installed any new hardware? Have you updated drivers? Etc. We need more information. – ChrisFMay 30 '11 at 18:01
its a brand new rock xtreame 840. its got an intel core 2 extreme x9100 2x 3.06 processor and running two 1gb nvidia graphics card in SLI. Its brand new and there has been no issues except that this problem has just started. ive installed a new printer, is it possible that the drivers for that are causing this problem?? – jayMay 30 '11 at 21:17
its happening in all games now! im quite tech savvy but this problem has got me stumped!!! – jayMay 30 '11 at 21:19
Are you hitting the SHIFT key several times in a row? – pcuniteMay 31 '11 at 1:38