The following textures are completely black, what is wrong?

[Uberdude9001]

debug/env_cubemap_model
models/screenspace
models/rendertarget

I've tried removing all my addons, verifying the game cache, various maps, enabling and disabling content of my various games, and even deleting and re-installing Garrys Mod. Is there any way to fix this problem?

EDIT: Its just the cubemaps, but models/screenspace only seems to update when a prop with its texture is being held by my physgun.

[Uberdude9001]

Sorry for not including this in the OP, here is what happens in my console when I first load a map.

Requesting texture value from var "$basetexture" which is not a texture value (material: models/wireframe)
Requesting texture value from var "$basetexture" which is not a texture value (material: models/wireframe)
Requesting texture value from var "$basetexture" which is not a texture value (material: debug/env_cubemap_model)
Requesting texture value from var "$basetexture" which is not a texture value (material: debug/env_cubemap_model)
Requesting texture value from var "$basetexture" which is not a texture value (material: models/shadertest/shader3)
Requesting texture value from var "$basetexture" which is not a texture value (material: models/shadertest/shader3)
Requesting texture value from var "$basetexture" which is not a texture value (material: models/shadertest/shader4)
Requesting texture value from var "$basetexture" which is not a texture value (material: models/shadertest/shader4)
Requesting texture value from var "$basetexture" which is not a texture value (material: models/shadertest/shader5)

I have no idea what it means.

[c👌de_g🎷]

Try putting -dxlevel 95 in your launch options.

[Uberdude9001]

[QUOTE=code_gs;41386904]Try putting -dxlevel 95 in your launch options.[/QUOTE]

Thanks! It worked, may I ask what it did?

[c👌de_g🎷]

Forced your DirectX level to 9.5, the highest supported in Garry's Mod.

[kydawg100]

How do you enter it in the launch options? Where do you do that?