First post, by brassicGamer
Hi folks. There are probably better places I could ask this, but you lot are very knowledgeable when it comes not only to old hardware but also generally outdated stuff. Yes, Vista era isn't quite 'retro' yet, but I thought I'd ask anyway. I've seen some video corruption issues in my time but never this:
It's a Sapphire ATi Radeon HD 4850 1GB running on a Gigabyte board with a Q9550 CPU and 3GB PC2 6400 RAM. The card has recently been purchased from eBay (to add to a Crossfire setup) so I'd like to establish the cause of the corruption prior to leaving feedback for the seller. It was all running fine until I'd installed a bunch of updates to Windows. I have not yet downloaded the video driver (hence the resolution) because I wanted to update the OS first. This happened following a restart during those updates. I had already installed drivers for the chipset, LAN and audio.
Not only was there the pattern you can see, but there was also a lag of about 5 seconds between input and screen refresh so it's really weird. I felt the card and it wasn't running hot. I fully expected the corruption to remain present upon restarting because it looked like a hardware issue rather than software, but it cleared and booted back to a normal looking desktop upon restart. I then ran the video RAM stress test included on the UBCD and did 3 runs with zero errors.
Does anyone have an explanation? Thanks in advance.