Having issues joining the server while on OSX

[RyanThePandaPickle]

I know its an extraordinary circumstance, but I have a macbook with an external GPU connected and it is having trouble joining the server. I can join without any addons enabled but that of course causes errors galore.

The only reason I am using this setup is because I can't bring my desktop to college but I wanted to continue having fun roleplaying.

Thank you for any help you can offer.
[doublepost=1535742178][/doublepost]I'll leave this up for posterity.

I just fixed it with changing autoexec.cfg to:

I
// This is StrYke_0ut's mini Garry's Mod FPS config
//NOTE: THIS IS VERSION TWO, I FIXED THE FLASHLIGHT FROM NOT WORKING a.k.a "r_shadows" being set to "0"
//Put this file in garrysmod/garrysmod/cfg.
//This is a High-FPS config where as its less quality, but not horrible and supposedly better FPS.
//Lets get started!
//Direct X Level (For instance, -dxlevel 81, 90, 95 etc.)
//NOTE: THIS IS OPTIONAL BUT RECOMMENDED.
//To use, Go to your Garry's Mod launch options (Right click on Garry's Mod, go down to Properties, In the new window, make sure your in the "General" tab then type one of these commands (For instance, -dxlevel 81 )
//-dxlevel 80 //Best command for performance, leaves out phong shading (Shine on weapons players etc.) leaves out lightwarps (I believe)
//-dxlevel 81 //Leaves out phong shading but has correct lightwarps
//-dxlevel 90 //Has phong shading
//-dxlevel 95 //Best for performance but not recommended for lower end gfx cards.
//Water
r_cheapwaterstart "1"
r_cheapwaterend "1"
r_waterforceexpensive "0"
r_WaterDrawReflection "0"
r_waterforcereflectentities "0"
//High Dynamic Range (HDR)
mat_hdr_level "0"
//Lighting
mat_fastspecular "1"
mat_filterlightmaps "1"
mat_specular "0"
r_dynamic "0"
r_lightaverage "0"
r_maxdlights "0"
r_occlusion "1"
//Shadows
mat_shadowstate "0"
r_shadows "1"
r_flashlightdepthtexture "1"
r_shadowrendertotexture "0"
//Texture Details
mat_bumpmap "1"
mat_clipz "1"
mat_colorcorrection "1"
mat_compressedtextures "1"
mat_picmip "2"
r_3dsky "0"
//Filter + Anti-aliasing
mat_antialias "0"
mat_filtertextures "1"
mat_forceaniso "0"
mat_trilinear "0"
//Performance (Other)
cl_forcepreload "1"
sv_forcepreload "1"
cl_ragdoll_collide "0"
fps_max "0"
mat_reducefillrate "1"