CS4 / Vista64 / HD4870 Flickering


radeon 4870 latest drivers - clean inastalled
vista 64 ultimate
cs4 extended

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50% of time, on loading cs4, screen flickers though redrawing elements. happens when selecting tools, menu items or editing image.

turning off opengl fixes problem image editing though screen still flickers/flashes on loading / minimising app.

no other apps on pc exhibit flashing - opengl ones.

odd.

mike,
i have same setup you. few suggestions try , out. if did sorry.

i had put in 850 watt psu 4870 work correctly. takes lot of power. cs4 puts hardware test!! 500 watt not par going on.

also check make sure there no wires touching 4870 cooling fan slow down , cause on heat. (i had sata cable rubbing fan had reposition sata cable)

i assume have seen new cooling fan rpm change addition 8.10 drivers in on drive section on ccc? have rpm set @ 40 percent. card works nice , cool @ 35c.

what computer case cooling fan wise?

run directx diagnostic tool.

.net date? when first put 4870 in ccc not display correctly. updated .net , works fine.

also there new directx run time sdk listed on microsoft. update may not system, , know tell so, won't hurt try it.

refresh rate set @ 60? mine @ 59 when installed 8.10 drivers. had change 60 in ccc.

defrag helped me lot too. don't use vista defrag. use iobit smart defrag. free , vista 64 bit too. lot faster.

event viewer in computer management may record going on too.

windows defender, advance options, have cs4 not scan. have not noticed thing or bad.

i don't have issues do. hope helps little.


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