I was updating a USB driver using IOBit DriverBooster when my screen unexpected flashed and fickered and the resolution susbesquently diminshed to something like720 by 480. Since then I have tried express uninstalling and then reinstalling AMD Catalyst Contrl Center and all AMD software a couple of times, but I am unable to increase the desktop resoluion above 720 by 480 (the slider just won't move across when I try to increase resolution to a higher value) The only way I can get a more usable resolution is after all the AMD software is removed, at which point I have 1400 by 1050. Windows Device Manager tells me I already have the best driver when I try an online update from here. This is in a Vista x64 system using a Samsung 1920 by 1020 LCD monitor with DVI to HDMI cable from an HD 4670 card. I am using a multiple boot system. There are no issues with the other operating systems on this computer at this time Unfortunately, this Vista OS is reporting no restore points that I might try. Any help in fixing this issue would be much appreciated.
AMD 620x4 @ 3.4 ghz, Gigabyte MA785G-UD2H, integrated ATI-4200 , 2x2 gigs OCZ 1066mhz, Samsung 50 inch plasma (1920x1080) 1tb WD HD , aircooled, Scythe Big Shuriken CPU cooler, tripleboot XP32/ Vista 64 Windows 7 ultimate 64 bit, Dual optical LG DVD R/W, Liteon BD IHOS 104. Denon AVR, Motorola 6412, Syabas PCH A-110