Hi All, I have been having an intermittent fault with my PC which has now become permanent and I'm wracking my brain to resolve it. Firstly - PC Spec AMD x64 X2 AM2 3800 CPU ASUS AM2 Nforce 570 mobo Nvidia 7600GT 256 video card (Point of View is the manufacturer) 1 GB DDR2 667 ram 250GB SATA2 Seagate Barracuda HDD 80 GB ATA133 HDD DVD writer Thermaltake Soprano case with stock thermaltake 430W psu Symptom: On Powerup system starts to power up - fans start (2x120 mm case fans, chip fan, GPU fan), hdd's start, DVD starts - then before POST whole thing shuts down. No bios beeps - nothing. I don't get the GPU POST or the system POST. I've done everything I can think of * Undo and reseat all cards and cables - test - same problem * disconnect all DVD and HDD (only mobo, ram and video connected) - test - that worked lat the beginning of the week but fault recurred last night. Redoing all tests so far doesn't work. * Removed and reseated ram - test - no go. I'm not sure if I have a PSU issue (fail or too much connected for the rating of the PSU), a graphics card failing, a ram card failing, a mobo fail or a chip fail. I don't have the hardware (this is my only pci-e system and my only sata capable system) to swap out components to isolate. Oh... and the warranty expired in November :( Can anyone suggest anything else I could do to troubleshoot this problem? Cheers James. -- James Pluck PalmOS Ergo Sum "Dear IRS: I would like to cancel my subscription. Please remove my name from your mailing list..."