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[Solved] Busted Power Supply?

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Best answer from shortstuff_mt.

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buwish   09-29-2009 at 01:08:47 AM

Hey all,

I'm working on a bare bones build for a relative and I seem to have run into a bit of an issue. I'm working with an ATX 450 watt PSU and a Gigabyte G41M MOBO. When I plug into the back of the power supply (adjusted for 115 volts), I do not get even the slightest flick of power through the system. Obviously, it does not turn on at all, nor do I get any lights to light up on the MOBO.

The PSU came with the case, which is also ATX, so I'm not sure if that is a consistent problem or not? I'm using a Pentium dual core (E5200). I have also checked and rechecked my connections. So I am a bit stumped here. I read through the MOBO manual and it recommended a PSU with 500 watts, but even if not enough power were an issue, I'd at least get something running through the MOBO.

Any suggestions on how to check the PSU or from my description does it sound like it is busted?

------------------------------ -Kevin
Desktop: Q9400(stock,lapped,SpinTechQ)/Intel DP43TF/VTEK 4850(512)/8GB DDR2 800Mhz/X-Fi Titanium Pro/Liteon BD-ROM/Velociraptor/Windows 7 Pro 64-bit
Laptop: Toshiba Satellite (M305)/T6400/4GB DDR2 800Mhz/Windows 7 RC 64-bit (for now)
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Best answer from shortstuff_mt
Did you perform the breadboarding step in the checklist where you build the system outside the case on a non-conductive surface to rule out a short? Do you have a system speaker installed so you can hear any BIOS error beeps? It's possible the motherboard is dead, but problems like this are far more often user error.
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Silver Home Brew badge shortstuff_mt   09-29-2009 at 01:22:11 AM

It could be any number of things. The first step to troubleshooting a problem like this is to go through EVERY step in this checklist:

http://www.tomshardware.com/forum/ [...] t-problems

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buwish   09-29-2009 at 02:05:02 AM

Indeed. I have checked and re-checked. I'm thinking that it may very well be a defective MOBO. I tried another PSU (500watt) that I know works and it does the same thing. Looks like I'll have to return it.

------------------------------ -Kevin
Desktop: Q9400(stock,lapped,SpinTechQ)/Intel DP43TF/VTEK 4850(512)/8GB DDR2 800Mhz/X-Fi Titanium Pro/Liteon BD-ROM/Velociraptor/Windows 7 Pro 64-bit
Laptop: Toshiba Satellite (M305)/T6400/4GB DDR2 800Mhz/Windows 7 RC 64-bit (for now)
 Reply to buwish
Silver Home Brew badge shortstuff_mt   09-29-2009 at 06:55:12 PM
Best answer

Did you perform the breadboarding step in the checklist where you build the system outside the case on a non-conductive surface to rule out a short? Do you have a system speaker installed so you can hear any BIOS error beeps? It's possible the motherboard is dead, but problems like this are far more often user error.

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