Bhamus

Hello im new to this site signed up to figure out whats up with this new computer. i been playing ( Dark Age of Camelot LOTM, and CoD4) and 10-20 secs into the game the computer freezes then reboots. my computer is only 4 months old and prior to this the comp Work great.
Specs as follows:

Case ( Standard ATX Mid-Tower Case w/350W Power Supply [no side window] Black/Silver 2-Tone )
Power Supply ( 500 Watt -- NZXT PF-500 Power Supply )
Processor ( AMD AthlonT64 X2 5600+ Dual-Core CPU w/ HyperTransport Technology )
Processor Cooling ( [=== Silent ===] Extreme-Performance AMD CPU Cooling Fan System Kit Silent & Overclocking Proof = Maximum cooling efficiency for quietness and performance )
Motherboard ( Asus M2N-E SLI NVIDIA nForce 500 SLI MCP Chipset w/7.1 Sound, Gb LAN, S-ATA Raid, USB 2.0, Dual PCI-E MB )
Memory ( 2048MB [1024MB X2] DDR2-800 PC6400 Memory Module Corsair-Value or Major Brand )
Video Card ( 2X NVIDIA GeForce 8500GT 256MB w/DVI + TV Out Video )
Video Card Brand ( Major Brand Powered by NVIDIA )
Hard Drive ( 250 GB HARD DRIVE [Serial-ATA-II, 3Gb, 7200 RPM, 8M Cache] )
2nd Hard Drive ( None )
External Hard Drives [USB 2.0/eSATA] ( None )
CD/DVD Drive ( 16x DVD-ROM Drive Black )
CD-RW/DVD-RW Drive ( [** Special !!! ***] 18X Dual Format/Double Layer DVD±R/±RW + CD-R/RW Drive Black )
Sound Card ( 3D Premium Surround Sound Onboard )
Speaker System ( None )
Network Card ( Onboard LAN Network (Gb or 10/100) )
Floppy Drive ( None )
Monitor ( None )
2nd Monitor ( None )
Keyboard ( Logitech Deluxe Keyboard Black )
Mouse ( Logitech Optical Internet Mouse Black )
USB 2.0 Accessories ( Build-in USB 2.0 Ports )
Meter Display ( None )
Flash Media Reader/Writer ( None )
Operation System ( MS Windows XP Home Edition w/ Service Pack 2 )
Media Center Remote Control & TV Tuner ( None )
USB Flash Drive ( None )
TV Tuner ( None )
Video Camera ( None )
Headset ( None )
Power Protection ( None )
Printer ( None )
External Wireless Network Adapter ( [Special !!!] Wireless 802.11g 54Mbps PCI Adapter )