video porblem PLEASE HELP!!

[imported_MuDDoG]

I just bought EVGA 6800gt from newegg..... my games get slow fps and are slughish.... I reallly hate this..... in css its realy bad .. i play on my rec settings and its slow .. please help me!!!!!! i dont know what to do my friend has almost same pc and his games run great!!!
I get good scores on benchmarks but games are bad .. please help!!!!!

My Nvidia drivers are 71.25
my scores

3dmark01 16,500
3dmark03 10,850
3dmark05 4,781
Aquamark 55,600
-CPU 8,700
-GFX 8,900
CSS test 42FPS on everything HIGH 1600x1200


my specs
LINK ON THE RIGHT SHOWS THE SPECS.
WINDOWS XP PRO
P4 3.0Ghz CPU
Asus P4C800-E Deluxe MOBO
1024 MB pc3200 (running in DUAL CHAN) RAM
EVGA 6800GT 256MB VIDEO CARD
Sound Blaster LIVE! 24bit Sound CARD
Maxtor 160GB 7200 RPM 8mb cache HDD
Antec 450WATT PSU

 

[cybertechkid]

hey there is a video message board
just look to the categories and you will see"video"and just copy it there
mabey someone there can help you

 

[madthumbs]

Differences between games and benchmarks;

Input devices
Sound

-Look for problems there.