Hey everyone I was trying to find out how much power my PC uses while under load. I had furmark and the intel burn in test both running together. The power got up to 450watts and the computer went dead. I've tried turning it off with its battery removed for a couple hours but it still won't boot. The power supply is rated at 650w and nothing is overclocked, a green power led still lights up on the motherboard. But that is the only sign of electricity I can see in there. Has anyone else experienced this or have any idea what the problem is ?
Is the psu a good brand many cheap psu's have ratings that mean very little especially under high loads and it could be the 12v rail damaged, have you got another psu you could try? I assume the fans are not working either?
Hi ShinyAli thanks for the reply, the PSU is just a cheap thing i've been using, been waiting 9 months for a refund for a duff antec I bought last year ! So anyway I don't have a spare just now, if you think there is a good chance of it being the PSU I could always take it to my local PC shoppe and ask them to try a different PSU if you think its worth it ?
I agree with ShinyAli on the PSU, especially with you saying its a cheap thing. Definately try another power supply or disconnect it from everything inside the PC, plug it into the mains and short out the green wire to a black wire on the 20/24 pin plug as detailed here. If it fires up and you have a multimeter, check the voltages are correct.
Hi, If there is nothing obvious and all the connections are OK then it's a process of elimination and the psu is the cheaper/easier option to start with than the mobo, the fact that this happened when your were load testing and drawing 450W might have killed the psu if it was drawing 450W continuously.
Thanks guys, I don't have a multimeter unfortunately. But i'll whip it out in the morning and see if I can short the black to the green and plug in a fan or something. Either that or take the whole lot to my local PC place and get them to try a new PSU.
Yea I reckon like most cheap generic PSU they over rate them, Should never trust your rig to a unbranded PSU
Yeah it was only ever meant to be a spare but Sapient Computers on Amazon have basically robbed me. P.S. amazing overclock on your system teelzebub (just saw your sig)
Sounds like dead PSU to me. Used to pop unbranded 900W units at work with a 2500K and a GTX 460 with some hard enough stress tests. Sure they can give you 900W as a burst, but most can't do more than 3-400W continuously
@ Teelzebub, I didn't even notice you had such an awesome SLI setup ! half of Inverness must go dark when you fire up your PC ! @ Madness_3d, Thanks for telling me that, I'd never heard of that happening before and even after a google search I couldn't find anything.
Google Cheap psu reviews, toms hardware brought 6 cheap ones none of them give the power they asked for and 2 of them blew up.
Just read the toms hardware reviews Rollo, interesting stuff ! My cheap one is made by Evo Labs and was only about €35 a couple years ago. Anyway I've taken it out of my system but still need to test it. Been too busy this weekend to get much done.
Running a stress test on a hex core cpu and a 5870 on a pony power supply was always going to end badly.
That's really decent but I don't think scan will post out to me in France. + I'm still waiting for either a refund or replacement from amazon for my duff antec high current pro, not sure if I should by a new PSU just yet. The PSU testers a pretty good idea since I seem to get through them these days ! But really need to watch my money just now because I just agreed to buy a car.
