Hey, I've been having a serious problem with Half-Life. I had this error once before about a year ago, and I'm not sure how I solved it back then.
The error is that every brush in the level is constantly switching between textures. It look like this.
This was caused when I switched from having the HD models on, to off. I've tried switching between them, but that doesn't seem to make a difference.
I've tried uninstalling the game, to no avail. I've tried uninstalling AND deleting the game's files completely off of my hard drive, to no avail. I've also tried updating my NVIDIA drivers, but nothing seems to be making a difference. I've also tried switching to the Half-Life beta and launching it, instead.
Has anyone ever had this problem before? If so, how did you fix it?