General System Performance: Passed
Your system meets the requirements for the Source games.
Your CPU: 3998 MHz
Recommended CPU: 2400 MHz
Total Memory: 1009 MB
Available Memory: 666 MB
Recommended Memory: 512 MB
Display drivers: Passed
There were no problems with the display drivers you are using.
You should still check for updated drivers, which are available here
Display Adapter: ATI Mobility Radeon X1600
Display Version: 18.104.22.16826
Your version of DirectX meets the minimum requirements
UDP Ports: Passed
The following UDP ports were reachable.
UDP Port: 27000 - 27040
TCP Ports: Passed
The following TCP ports were reachable.
TCP Port: 27020 - 27040
Background Processes: Passed
There were no processes found that conflict with Steam or the games.
Loaded Modules: Passed
There were no loaded modules found that conflict with Steam or the games.
The following services were found on your system. Please try disabling the service or uninstalling the application assoicated with them, and see if that resolves your issue
Service: Ati HotKey Poller
Ati HotKey Poller has been reported to cause mouse and keyboard lag.
Layered Service Providers: Passed
There were no LSPs found that should conflict with Steam or the games.
Audio/Video Codecs: Passed
There were no audio/video codecs found that conflict with Steam or the games.
If Steam continues to crash, try deleting all files and folders in the Steam directory except for steam.exe and the SteamApps folder
If you continue to have problems playing the games, try using the launch options -nosound and -windowed.
Open Steam, then Play games
Right click the Souce game, click properties, then Launch options
add -nosound -windowed, click ok, then close.
If you continue to have problems updating Steam, please exit from Steam, and then delete the following files from your Steam directory.
If you continue to have problems finding any servers, please exit from Steam, and then delete the following files from your Steam\config directory.
If you continue to have problems with your performance in game, try forcing a lower level DirectX version. Start at the lowest level and go up from there till you find a good level of FPS.
-Open Steam, then Play games
-Right click the Source game, click properties, then Launch options
-add -dxlevel XX, click ok, then close