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No power to new system

M

msfeinstein

Junior Member
I am in the process of building a new machine, and after all of the components (list below) were added, I began the process of formatting the drives and installing the OS (Win XP Home). After about 60 minutes (during which time the large hard disk was formatting), the machine powered down (not gracefully - it just died). I tried to power it up, but nothing. When I pull the power cord (or use the hard power button on the rear of the PSU) and try to re-start the system, I get a *brief* flicker of power - enough to blink the LEDs that seem to be on every component these days and to start the fans spinning but not enough to even reach the POST stage.
At first, I thought it was heat related, so I let the machine sit for 24 hours, but nothing has changed. I've tried re-seating all of the components, unplugging everything and various combinations, but each time with the same result. Unfortunately, I don't have another PSU on hand to swap that, but that's my next guess.
Do any of you wise and experienced folks have any advice, suggestions or ideas that you could share? I appreciate your time and effort. Thanks.

Component List:
- MB: Gigabyte GA-K8NXP-SLI (nForce4)
- CPU: AMD Athlon 64 3500+ (90nm)
- Power ANtec NeoPower 480
- Memory: Patriot PDC1G3200+XBLK (2x512MB DDR400 PC3200 Dual Channel)
- Video card: Asus Extreme AX700PRO/TVD (ATI Radeon X700) PCI Express
- Disk: Western Digital Raptor 74GB Serial ATA
- Disk: Maxtor DiamondMax 10 300GB Serial ATA
- DVD: Plextor PX716A - Parallel ATA

Thanks again.
 
Try disconnecting the PSU from everything - AC, the mobo, all the molex. Let it set for 3 - 4 hours (or overnight if its late where you are 🙂 ) Then hook it up to just the motherboard and see if it powers on.
Before you let it set you could also try jumpstarting the PSU, unhook the ATX connector from the mobo, leave a couple fans and or a hard drive connected to it so there is some load (some will not start without it). Google for "Jumpstart" along with your PSU model.

Hope that gives you a couple things to try. 🙂
 
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