FreyG Posted October 9, 2009 Posted October 9, 2009 Hey all, new to these forums and I have come seeking your help if you would be so kind as to offer some advice =) So I just built my computer a few days ago...here are the specs Intel i7 920 Antec Truepower New 750w Scythe Mugen 2 using Arctic Silver 5 Cooler Master CM-690 6gb Corsair @7-7-7-20 AsRock x58 Extreme Radeon 5870 Those are the basic specs of the computer. So anyways I decided to try my hand at overclocking, never done it before, built many systems before but never attempted overclocking, it looked fun and beneficial to do so I figured I would try it. Anywho I had my BCLK upto 190 and my voltage upto 1.35, it booted into windows at lower voltages but would crash prime95. So after I got to this point I was running prime95 for probably around 20-30 minutes and the computer just shuts off, and nothing I do powers it on again. At first I thought I might have fried my CPU, I didn't think so since it was only upto 1.35v at 76C max load, which may be a bit hot but still acceptable for the CPU, so I got a replacement for that, didn't do anything. So I was able to rule out everything except for the Power Supply or the Motherboard. I can occasionally get it to power on for maybe a fraction of a second but that's it, resetting the CMOS did nothing so I am left a bit confused, and angry! I have been on this lame laptop for 4 years I wanted to be done with it haha. Anywho if anyone could help me I greatly appreciate it, thanks all! Share this post Link to post Share on other sites More sharing options...
NearlyEpic Posted October 9, 2009 Posted October 9, 2009 (edited) First, do a recheck of EVERYTHING. Make sure the board is grounded, your processor is seated right, your ram is in, rewire EVERYTHING, and then see if it will turn on. I know it might take a while, but it should eliminate any other factors than the hardware. By any chance, do you have something on your motherboard (a light, power switch on some asus boards) that indicates the board is getting power? Check that too. If not, then it's probably a bad psu. EDIT: atleast thats what i'd do Edited October 9, 2009 by NearlyEpic Share this post Link to post Share on other sites More sharing options...
0o0 Posted October 9, 2009 Posted October 9, 2009 Well I don't think you can could have possibly fried your psu due to overclocking, but it is very possible that you got a dud psu that just decided to die on you. Or maybe a dud mobo that decided to die on you. Take out your 5870, and get some random cheap psu off your old hardware shelf, power it up and see if it works. You won't get any graphics though, so if it does power up, make sure to turn it off immediately before it starts booting up your OS, otherwise you'll have to do a blind shut-down. You can also test your psu by shorting the green and black on the 24-atx plug. Any metal paper clip should do the trick. Good luck Share this post Link to post Share on other sites More sharing options...
FreyG Posted October 9, 2009 Posted October 9, 2009 Wow thanks for the quick replies! Anywho I reassembled the computer twice just to make sure I wasn't missing something, and everything checked out. As far as I know there isn't a light that indicates power to the motherboard, unless it is part of the power button on the motherboard...I never actually checked to see if it lit up, there is a debug LED but I doubt that would indicate power. I have tried to take everything out with the exception of the cpu to see if it would even start to power on, nothing there either, I would love to use a different power supply but I moved to a different state recently and left all my old computer stuff back there, I have nothing, and everyone I live with, which is basically everyone I know here either has a laptop or a mac (eww I know) and the mac has...a 22 pin atx connector? Wierd. Sorry if this sounds sort of noobish but for the shorting of the green and black wires, do I do it with the black wire right next to the green wire? There are several black wires, and I should make sure everything else is disconnected before doing that too I assume, and it wont damage the power supply if it's still functional will it? Ok I think that's all for noob questions. Well thanks again for the help! Share this post Link to post Share on other sites More sharing options...
bldegle2 Posted October 9, 2009 Posted October 9, 2009 the green wire and ANY black wire will 'jump start' the PS.... check the voltages carefully with a multimeter on a four pin molex.... and make sure you have at least a fan pulling a bit of power from the PS, just better that way..... laterzzzz.......... Share this post Link to post Share on other sites More sharing options...
FreyG Posted October 10, 2009 Posted October 10, 2009 Well I think I did some of the tests right, it does appear that the PSU was the problem, I wasn't 100% sure so I am just going to RMA the PSU and Motherboard, I just wanted to figure out exactly what happened, if it was my fault or just a wierd coincidence that this all happened while running a stress test...oh well, either way maybe I will just do a mild overclock when I get all my parts back, just to be safe. Share this post Link to post Share on other sites More sharing options...
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