I upgraded my computer from a HIS Radeon 4890 to a HIS Radeon 7750. Unfortunately, the 7750 always has graphic glitches (occasional pixels even on desktop), and will generally stop and recover a few times even without any major workload. If I replace the 7750 with my 4890, there are absolutely no problems.
I asked this in the HIS forums and they said that so long as the glitches do not occur in safe mode, it's not a hardware problem.
I have been having this problem for a year or so. Please help me.
HIS 7750 iCooler 1GB GDDR5 PCI-E DP/DVI/HDMI. Just stock use, no OC.
Catalyst Suite: 13.4 (but I've had the same problems for about a year now)
ASUS M4A78T-E AM3 790GX/SB75. Bios cersion 3503
COOLER MASTER Silent Pro M600 RS-600-AMBA-D3 600W ATX12V V2.3 SLI Certified CrossFire Ready 80 PLUS Bronze Certified
AMD Phenom II X4 945 3.0GHz AM3
2Gx3 OCZ Gold DD3 (6GB RAM)
Windows 7 Ultimate 64-bit
Samsung 40" TV connected via HDMI.
There are additionally 3 more case fans and 1 DVD writer attached.