Running Garry's Mod in a window.

Hi guys, I’ve been having problems with my gmod recently, i usually run it in a window not a full-screen. But recently when i enter the game the main menu shows static black bars and lines everywhere. So i tried full-screening, all that did was make the whole freaking game pure BLACK. So now I can’t get it back to window mode. Is their any way to get it to a window mode without being in game??

In the launch options, type “-sw”.

THAAAANKS hope it works

Edit:

Also, like i said is there any way to get rid of those black bars? it makes it so I can’t see anything in game. It like makes parts of the spawn menu disappear and the weapons bar.

Ok but now how do i get it to run in full screen again?

Never mind i found it is “-fullscreen”

where can you find the launch options

Right click Garry’s Mod in your STEAM Games secton and click properties. There should be a “Set Launch Options…” tab.