|"does enabling Cool N' Quite can affect playing games? because everytime i play games on my computer it shutsdown"|
For starters, it's called Cool'n'Quiet: http://en.wikipedia.org/wiki/Cool'n...
Basically what is does is lower the CPU voltage & CPU clock speed when it's at idle or under light load conditions. That lowers the power consumption & CPU temp & allows the CPU fan to be run at a lower speed. Therefore it is COOL & QUIET.
"when i touch my hard drive its very hot"
How are you touching the hard drive? Did you open the case & reach inside? or are you running without the side panel on the case?
"the CPU blows a hot air"
THIS is an example of a CPU. CPUs do NOT blow air, they just sit in a socket.
"everytime i play games on my computer it shutsdown"
Could be your CPU is overheating, OR your video card is overheating, OR your power supply is overloaded. Post your CPU temp. If you don't have a monitoring program, try this:
"2.00 Single Channel DDR2 @ 300mhz"
I asked you this in another thread - why are you running the RAM in single channel mode & why at only 300MHz? You should have 2 sticks of RAM configured to run in dual channel mode & they should be running at 800MHz.