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Does my computer shut down because of the PSU?

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Last response: in Components
September 22, 2012 8:46:37 AM

Hey guys,

I have a GTS 250 and a 400W PSU. I read that GTS 250 needs atleast 450W, but my computer was recently crashing alot and we sent it to repairment. The repairer said that the new PSU he put in is good and enough for all of the components but very often while I`m playing something (I can play for about an hour) the pc just shuts down. No errors, no nothing. And when I try to reboot it, it goes to the part where it says Memory, but only displays Memo and get stuck there. I then have to shut down the PSU from some kind of a weird button on the back of the case and turn it back on from there too, to make the computer start normally.

More about : computer shut psu

September 22, 2012 8:48:31 AM

Oh, the PSU. The PSU has only the model name: jsp-400P12P on it. I looked it up on the internet and it seems to be a Super Flower SF 400 P12P I think. Hope this helps. I can also post all my other specs if needed.
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September 22, 2012 9:41:09 AM

Win 7 64-bit
Intel Core 2 Quad Q6600 2.4Ghz
4GB DDR2 399Mhz ram
IP35P (Intel P35+ICH9) (Socket 775)
512MB GeForce GTS 250
a b ) Power supply
September 22, 2012 10:04:04 AM

Well Sunflower make cheap and nasty PSU's, so time to dump it and go with a quality bronze+ 500w.
September 22, 2012 10:53:08 AM

Could you give a link to one or atleast say the price?
September 22, 2012 11:20:18 AM

Another thing is that in about a month or two I will buy a gtx 550 ti. Will my current psu work fine with that?
September 23, 2012 6:33:42 AM

Okey, thanks.
September 23, 2012 6:40:11 AM

But 1 last thing. Since I basically know nothing about PSUs and other hardware will this fit for my pc?
I mean I could connect it right? The connectors and other stuff kind of confuse me.
a b ) Power supply
September 23, 2012 6:51:18 AM

Should be fine. Physically they are all much the same, the biggest prob I had with a similar Corsair was where to put all the spare cables as my rig is fairly simple too...It has 2 PCIe connectors should you need to run a rig with 2 GPUs in the future...