System finally working has died again.

[Skutty]

After at least 2 months of trying to get my new system to work, (faulty parts and stubborn retailers) today in a local computer store, the technicians finally had my computer boot. Overjoyed, I returned the system home to find that it had resorted back to not beeping, booting or showing anything on monitor. Between working and then not working, the computer was not tampered with at all.. what could have happened?

Specs -
AMD Athlon 64 3200+ AM2
512MB 667 DDR2
80GB WD SATA
GA-M55SLI-S4 Motherboard
Radeon X300 128MB
DVD-RW Drive and CoolerMaster Musketeer

Thank you in advance for all help.

 

[chamillitarysk8]

thats a hardware conflict

 

[robin_bga]

its hardware, if that is a long beep then change yo ram & put in 256mb of 400mhz.R