Source Engine Graphics Glitches

Im getting some weird visual glitches on all source engine games. I know Facepunch probably isnt the place to post about this, but Valve isnt exactly helpful.

Some examples in DoD:S and Garrysmod

Ive tried adjusting ingame video options, as well as my graphics card. I KNOW this computer can play these games, as it did fine before I took a break from gaming. Thank you all for you help. :stuck_out_tongue:

Update your Graphics Drivers, system specs

Drivers are up to date. My graphics cards are beyond shitty, but theyve run these games fine before.

have you tried -dxlevel 81

Trying it now. Sorry for my delayed response, didnt have a computer with me for a while.

Edit: This worked! Thanks a ton.