Tom's Hardware > Forum > Homebuilt Systems > General Homebuilt > Please help -- System powers up for split second and turns off

Please help -- System powers up for split second and turns off

Forum Homebuilt Systems : General Homebuilt - Please help -- System powers up for split second and turns off

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zigx   03-12-2009 at 06:56:53 AM

Hi All,

Thank you for taking the time to read this.

I just build a system that is acting pretty strange... when i power up the computer it powers up for a split second then turns off. I get no beep codes, nothing!

Components are as follows:

- q6600
- CoolIT DM-1000 Domino A.L.C. CPU Cooler
- asus pk5 deluxe
- 4gb ddr2 1066
- 580W atx power supply
- geforce 5200 (pci) video card

all other stuff is disconnected.


any input would be Greatly appreciated!!

thanks

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MykC   03-12-2009 at 07:01:32 AM
- 0 +

The first thing that pops into my mind is your CPU is over heating or the PSU is dying/dead. On my AMD system the latch that held the heatsink down onto the CPU somehow cane undone and was no longer making any contact with the mobo. Now, in this scenario my computer could normally get to the windows loading screen before it would shut off.

You could also try running the PSU when it not connected anything at all (not 100% sure if that safe or not though, I'd make sure the PSU if off when you plug in the power cord since it will turn on by default if the jumper isn't present).


Message edited by MykC on 03-12-2009 at 07:03:46 AM
Reply to MykC
zigx   03-12-2009 at 07:11:20 AM
- 0 +

Mykc, thanks a lot for responding... i think ive identified the problem -- i'm a moron!

i bought THIS psu: http://www.newegg.com/Product/Prod [...] 6817709011

looking @ it, ive got a 24 pin connector and a 4 pin connector... the mobo has a 24 pin socket, and a 6 PIN socket !

i think i bought a psu for a p4 or something like that.

Reply to zigx
MykC   03-12-2009 at 07:13:39 AM
- 0 +

That sucks, at least you know what the problem is though.

Reply to MykC
Zorg   03-12-2009 at 09:03:28 AM
- 0 +

No, your problem is that you bought a complete POS. Your going to have to spend a lot more than that. I hope you didn't blow anything up. What were you thinking?

You may also have a short. That would be the typical cause of your problem, but with that complete garbage PSU there is no way to know.

Reply to Zorg
shadow703793   03-12-2009 at 12:56:56 PM
- 0 +

^+1 for Zorg. Please get a quality PSU from Corsair, PC Power & Cooling, Antec or OCZ.

------------------------------ http://farm3.static.flickr.com/2617/3815217176_0a5be7955d_o.gif
http://farm4.static.flickr.com/3553/3818083596_1a772f7162_o.gif
 Reply to shadow703793
jtt283   03-12-2009 at 01:29:06 PM
- 0 +

Another +1 for Zorg, and for Shadow's recommendations. It need not be high wattage, but high quality is a must. An Earthwatts 380W PSU would be sufficient.
You just built this system? With a PCI video card? A 5200?

------------------------------ There is ALWAYS a drone. Exactly where, or how many drones you will encounter may vary, but that there will be at least one will not.
 Reply to jtt283
Silver Home Brew badge shortstuff_mt   03-12-2009 at 05:40:42 PM
- 0 +

I've never heard of a motherboard that has a 6-pin power connector. The CPU power connector will either be 4 or 8 pins. Most motherboards with an 8-pin CPU power connector will run fine with a 4-pin power connector plugged in. Just be sure to read the owners manual to see which pins to plug the 4-pin connector into. It's usually the 4 pins closest to the CPU socket. Here's a checklist for further troubleshooting if you need it:

http://www.tomshardware.com/forum/ [...] -checklist

Reply to shortstuff_mt
jcidiot   06-15-2009 at 11:45:58 PM
- 0 +

my computer is connected to a 6 pin secondary right now, and amd x2 be3200 system.
i think 6-pins tends to be amds.

and a 5200 pci graphics card? is it for your mother in law?

Reply to jcidiot
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