Garry's Mod is BRIGHT, Why is that?

After my old computer died I received a very old and slightly bad Dell LATITUDE D520 laptop for free. I was under the impression it could not run Gmod. But when I loaded it up, it runs perfectly, with one minor hitch. It’s very very bright. I don’t know the technical term, but I messed with video settings to no avail. Does someone know a solution?
Pics:

Have you tried setting it to very very dark?

Well aren’t you clever :b

Tried turning off Bloom?

check post processing tab, uncheck all of those.

otherwise your gpu doesn’t cut it. you could try changing to -dxlevel 81 but i dont know if that makes any difference

Yes. i will again though. Just to be sure.

[editline]27th August 2011[/editline]

Update. thank you Deggie, by using this
-window -dxlevel 81 +mat_forcehardwaresync 0’
The problem is now gone. :slight_smile:
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