مشکل کارت گرافیک- ATI HD 4850 کارکرد بی دلیل تا اخرین حد!!!

[amin200900]

dooste aziz karte graphice shoma chipe aslish nimsooz shode
va ehtemalan chanidn ghate digaresh ham nimsooz shode bayad check beshe
mishe goft taghriban karaiish be kamtar az nesf reside
hamchenin momkene chiphaie main shoma ham nimsooz shode bashe ke ehtemalesh ghavist
az nazare man
zemnan power shoma cheghadre?
mikeshe ghodratesh ya na