Hey y'all i know some people here have an fps problem and have shitty old PC's , i'm here to help
Fist Step : Go to C:\Program Files\Steam\steamapps\common\Counter-Strike Source\cstrike\cfg
Create a text file and past this in it
fps_max 1000
rate 25000
mat_monitorgamma_tv_exp "3.6"
mat_monitorgamma_tv_enabled "3"
zoom_sensitivity_ratio 0.9
cl_cmdrate 66
cl_updaterate 66
ex_interp "0.1"
cl_interp 0.031
cl_interp_ratio 1
cl_resend "6"
cl_lagcompensation 1
cl_timeout "1337"
cl_predictweapons 1
cl_smooth 0
cl_smoothtime 0.01
cl_wpn_sway_interp 0
cl_ejectbrass 0
cl_allowdownload 0
cl_allowupload 0
con_filter_enable 2
con_filter_text "damage given"
cl_crosshaircolor 4
cl_dynamiccrosshair 0
cl_crosshairusealpha 1
cl_crosshairalpha "599"
cl_crosshairscale 2400
cl_crosshairsize 3.8
cl_crosshairthickness 1
cl_crosshairspreadscale 0.3
hud_fastswitch 1
hud_drawhistory_time 2
con_enable 1
fog_enable 0
mp_decals 0
cl_phys_props_max 0
cl_phys_props_enable 0
cl_minmodels 0
cl_min_ct 4
cl_min_t 4
net_graph 1
net_graphheight 15
net_graphpos 3
cl_showfps 0
mat_antialias "0"
mat_autoexposure_max 0
mat_autoexposure_min 0
mat_bloomscale 0
mat_bufferprimitives 1
mat_bumpmap 0
mat_clipz 0
mat_compressedtextures 1
mat_debug_postprocessing_effects 0
mat_debugdepthmode 0
mat_debugdepthval 128
mat_debugdepthvalmax 256
mat_disable_bloom 1
mat_disable_fancy_blending 1
mat_disable_lightwarp 1
mat_disable_ps_patch 1
mat_envmapsize 0
mat_envmaptgasize 0
mat_fastspecular 1
mat_monitorgamma 1.6
mat_monitorgamma_tv_enabled 1
mat_filterlightmaps 1
mat_forceaniso 0
mat_forcehardwaresync 0
mat_forcemanagedtextureintohardware 0
mat_framebuffercopyoverlaysize 0
mat_hdr_enabled 0
mat_hdr_level 0
mat_parallaxmap 0
mat_picmip 2
mat_reducefillrate 1
mat_shadowstate 0
mat_specular 0
mat_vsync 0
mat_wateroverlaysize 8
muzzleflash_light 0
props_break_max_pieces 0
props_break_max_pieces_perframe 0
m_rawinput "0"
m_customaccel "0"
m_customaccel_exponent "1"
m_customaccel_max "0"
m_customaccel_scale "0.04"
m_mouseaccel1 "0"
m_mouseaccel2 "0"
m_pitch "0.022"
m_yaw "0.022"
m_filter "0"
r_decal_cullsize "0"
r_maxdlights "32"
r_forcewaterleaf "0"
r_worldlights "0"
r_shadowrendertotexture "1"
r_waterforcereflectentities "0"
r_cheapwaterend "1"
r_WaterDrawReflection "0"
r_WaterDrawRefraction "0"
r_dopixelvisibility "0"
r_rootlod "2"
r_lod "0"
r_drawbatchdecals "0"
r_ambientboost "0"
r_waterforceexpensive "0"
r_lightaverage "1"
r_decals "0"
r_drawdetailprops "0"
r_drawflecks "0"
r_shadows "0"
r_shadowmaxrendered "32"
r_dynamic "0"
r_propsmaxdist "0"
r_renderoverlayfragment "0"
r_spray_lifetime "0"
r_maxmodeldecal "0"
r_drawmodeldecals "0"
r_3dsky "0"
r_sse "1"
r_sse2 "1"
r_ropetranslucent "0"
r_maxdlights "32"
r_maxnewsamples "0"
r_maxsampledist "0"
r_norefresh "0"
r_minnewsamples "0"
r_forcewaterleaf "0"
r_phong "0"
r_shadows "0"
r_3dnow "1"
r_mmx "1"
rope_averagelight 0
rope_collide 0
rope_shake 0
rope_smooth 0
rope_smooth_enlarge 0
rope_smooth_maxalpha 0
rope_smooth_maxalphawidth 0
rope_smooth_minalpha 0
rope_smooth_minwidth 0
rope_subdiv 0
rope_wind_dist 0.01
showhitlocation 1
texture_budget_background_alpha 9999999
texture_budget_panel_height 0
texture_budget_panel_width 0
And then name the file autoexec.cfg , remember it's important to make the file .cfg or it won't work
It may make the graphic look shit but it's worth it you'll get a better fps
Second step : Go to services and look for a service named Superfetch and disable it
#NOTE: Some PC's may have a trouble from disabling it , i'm not responsible for anything.
Third Step : Go to Control Panel\System then press Advanced System Settings then on the tab performance press settings and press adjust for best performance
Your PC may look shit but your fps will get better
Fourth Step: Click on start menu and search for run after u open run type in it %temp% and press ok a folder will open , The folder is just a bunch of temporary files that your system doesn't need and kept for no reason
Select them all and delete them , there may be some files that can't be deleted but it's ok don't freak out just delete what can be deleted
The Last Steps : Try to not put many icons on your desktop , Organize them in folders or whatever the fuck you want.
Now go and download Driver Booster from this link : https://www.iobit.com/en/driver-booster.php
This program upgrades the drivers on your PC like the Graphic driver , Sound driver , etc.
This is all i've done to make my fps better.
Hope i helped , Thanks y'all