Tient met ces commandes dans ton autoexec.cfg, si tu ne l'a pas il y a des tutos sur le net.
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fps_max "0"
rate "1048576"
cl_cmdrate "66"
cl_updaterate "66"
cl_interp "0.01"
cl_interp_ratio "1"
cl_lagcomp_errorcheck "0"
cl_lagcompensation "1"
cl_predictweapons "1"
cl_smoothtime "0.01"
mat_autoexposure_max 0
mat_autoexposure_min 0
mat_bloomscale 0
mat_bumpmap 0
mat_clipz 0
mat_colorcorrection 0
mat_compressedtextures 1
mat_disable_bloom 1
mat_disable_fancy_blending 1
mat_disable_lightwarp 1
mat_disable_ps_patch 1
mat_envmaptgasize 16
mat_envmapsize 32
mat_fastspecular 1
mat_fastnobump 0
mat_filterlightmaps 0
mat_forcehardwaresync 0
mat_forcemanagedtextureintohardware 0
mat_framebuffercopyoverlaysize 0
mat_force_ps_patch 0
mat_hdr_enabled 0
mat_hdr_level 0
mat_parallaxmap 0
mat_showlightmapcomponent 0
mat_specular 0
mat_texturelist_directories 0
mat_texture_list_all 0
mat_texturelist_files 1
mat_wateroverlaysize 8
mat_vsync 0
cl_c4dynamiclight 1
cl_detail_max_sway 0
cl_detail_avoid_recover_speed 0
cl_detail_avoid_force 0
cl_detail_avoid_radius 0
cl_downloadfilter nosounds
cl_drawmonitors 0
cl_dynamiccrosshair 0
cl_min_ct 1
cl_min_t 3
cl_ejectbrass 0
cl_forcepreload 1
cl_idealpitchscale 0.8
cl_minmodels 1
cl_pitchspeed 225
cl_phys_props_max 0
cl_ragdoll_collide 0
cl_ragdoll_physics_enable 1
cl_show_splashes 0
r_3dnow 1
r_3dsky 0
r_ambientboost 0
r_cheapwaterend 0.1
r_cheapwaterstart 1
r_cleardecals 1
r_drawflecks 0
r_drawbatchdecals 0
r_drawmodeldecals 0
r_dopixelvisibility 0
r_dynamic 0
r_fastzreject 1
r_ForceWaterLeaf 0
r_flex 0
r_eyeglintlodpixels 0
r_eyegloss 0
r_eyemove 0
r_eyes 0
r_eyeshift_x 0
r_eyeshift_y 0
r_eyeshift_z 0
r_eyesize 0
r_lightaverage 0
r_lod -1
r_maxdlights 32
r_maxmodeldecal 50
r_maxdlights 0
r_maxnewsamples 0
r_minnewsamples 0
r_maxsampledist 0
r_occlusion 0
r_PhysPropStaticLighting 0
r_ropetranslucent 0
r_shadows 1
r_shadowrendertotexture 1
r_shadowmaxrendered 32
r_spray_lifetime 1
r_teeth 0
r_renderoverlayfragment 0
r_WaterDrawReflection 0
r_waterdrawrefraction 0
r_waterforceexpensive 0
r_waterforcereflectentities 0
r_worldlightmin 0
r_mmx 1
r_sse 1
r_sse2 1
rope_smooth 0
rope_averagelight 0
rope_collide 0
rope_rendersolid 0
rope_shake 0
rope_smooth_enlarge 0
rope_smooth_maxalpha 0
rope_smooth_maxalphawidth 0
rope_smooth_minalpha 0
rope_smooth_maxalphawidth 0
rope_solid_maxalpha 0
rope_solid_maxwidth 0
rope_solid_minalpha 0
rope_solid_minwidth 0
rope_subdiv 0
rope_wind_dist 0
violence_agibs 1
violence_hgibs 1
violence_hblood 1
violence_ablood 1
cl_resend 2
cl_pred_optimize 2
cl_ragdoll_physics_enable 0
net_graph 1
net_graphpos 3
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Mais... 10 fps au test video.. Je doute que tu puisse en tirer quelque chose.