Help :(

[Teac]

hey guys i dont know were to post this but im having trouble with my pc windows 7 keeps restaring when it gets to the welcome page it does this when my storage harddrive is connected (internal wd 500gb) but when i disconnet it it boots windows fine any idears what it could be specs are in my sig

 

[Teac]

o woops lol sorry

Processor - Athlon 64 X2 5200, 2.7mhz
CPU Cooling - OCZ Vendetta 2
Motherboard -Foxconn A6VMX(-K)
GPU - ATI Radeon HD 4650 (512 mb)
PSU - Corsair 650W TX Series
Storage - 2x Western Digital 500gb =1TB
Memory - Corsair 2GB Xms 2 (2x1GB) DDR2 800MHz/PC2-6400 XMS2 Memory Kit Non-ECC Unbuffered CL5 1.9V
Case - Lian-Li Lancool K62 Black Red Dragon Edition With Window ATX Mid Tower Case
Operating System - Win7 Ultimate, 32-Bit SP1

 

[Teac]

but its brand new i really dont wanna lose my data i got tons !

 

[Teac]

anyone the thing i cant understand is the fact i was using it like normal reading and write of it :/ i hope its not failing i cba to rma it