new notebook BSOD

System Manufacturer/Model Number: Home built
OS: Windows 7 Ultimate 32 bit
CPU: Intel(R) Pentium(R) 4 CPU 3.00GHz
Motherboard: ASUS P4P800-VM Motherboard Chipset: Intel 865G + ICH5
Memory: 2.50 GB RAM
Graphics Card: NVIDIA GeForce 7600 GS
Sound Card: SoundMax Integrated Digital Audio (Chip)
Monitor(s) Displays: ViewSonic VX 1962 wm
Screen Resolution: 1680 X 1050
Keyboard: Microsoft Comfort Curve Keyboard 2000 v10 USB
Mouse: Logitec optic USB
Cooling: Fan based
Hard Drives: Seagate Barracuda 7200.10 80 GB ST380215A ATA Device 18.6 GB Western Digital "My Book" external hard drive 750 GB
Internet Speed: 3.01 Mb/s download 0.64 Mb/s upload