FPS Drop

Hi, I recently Re-installed Garry’s mod in hopes that it would boost my fps.
I deleted everything and re-installed the game, then installed PHX, Wire and Mad Cow weapons.

I log onto the DarkRP server I always play on and my fps is still the same, around 10-15…
I knoticed that props and players glow through walls and wondered if this is the problem.

So if anyone could help me with a FPS Boost config or something to help my FPS or remove glows clientside, that would great!
Much appreciation to those who help! Thanks!