candude Posted October 27, 2014 Share Posted October 27, 2014 I have a TX-850M and has been working great for 16 months. I used the PC last on Wednesday and everything worked fine. I went away for weekend and when I returned I turned on the PC and nothing happened. No fans, no noises, now power, nothing. Sounds like a PSU issue? Anyone got any ideas? Link to comment Share on other sites More sharing options...
wytnyt Posted October 27, 2014 Share Posted October 27, 2014 try unplugging the psu for 15 minutes and trying it. Ive had a couple over voltage issues where everything went dead completely and doing the above took care of it... Link to comment Share on other sites More sharing options...
candude Posted October 27, 2014 Author Share Posted October 27, 2014 Thanks for tip. Will give it a go and let you know. Link to comment Share on other sites More sharing options...
candude Posted October 27, 2014 Author Share Posted October 27, 2014 No luck with the turn off power for 15 mins :(: Link to comment Share on other sites More sharing options...
Corsair Employee jonnyguru Posted October 27, 2014 Corsair Employee Share Posted October 27, 2014 What motherboard do you have? Does it have a +5VSB (standby) LED on it and is it lit? Link to comment Share on other sites More sharing options...
candude Posted October 28, 2014 Author Share Posted October 28, 2014 It is a ASUS P8Z77-V PRO Motherboard. There is a green LED on the MB that is lit. There are also a couple of lit LEDS on the graphics card (ASUS Radeon HD7970 DirectCU II TOP 3GB). Edit: I can also charge my phone from USB port. Link to comment Share on other sites More sharing options...
Corsair Employee jonnyguru Posted October 28, 2014 Corsair Employee Share Posted October 28, 2014 Ok. So the PSU isn't dead. Could be the motherboard. Link to comment Share on other sites More sharing options...
candude Posted October 30, 2014 Author Share Posted October 30, 2014 I think you are right. I did the paperclip test last night and the PSU did power a case fan (the PSU fan didn't start but I believe this is OK as there wasn't enough load/heat to warrant it) Removed everything from the motherboard and still no power. Made sure it wasn't an issue with the case sending not sending through the "start" signal. The place I bought all the components have accepted the motherboard as a warranty claim. Thanks for your help! Link to comment Share on other sites More sharing options...
traxevc Posted November 2, 2014 Share Posted November 2, 2014 Ok. So the PSU isn't dead. Could be the motherboard. sorry but you are wrong. MObo can be dead. Do the paper clip test to see if PSU turns on at least. Ideally, test pc with another PSU, just to rule out the PSU. In my experience this could easily be bad mobo. Link to comment Share on other sites More sharing options...
Corsair Employee jonnyguru Posted November 2, 2014 Corsair Employee Share Posted November 2, 2014 sorry but you are wrong. MObo can be dead. Do the paper clip test to see if PSU turns on at least. Ideally, test pc with another PSU, just to rule out the PSU. In my experience this could easily be bad mobo. I appreciate your attempt at helping, but in the process of spamming the forums with as many responses in as short of time as possible, you're not reading what you're responding to. I said the motherboard MAY be dead and he already did the paperclip test. In fact, you even quoted me as saying the motherboard could be dead. Please read the thread before responding. Link to comment Share on other sites More sharing options...
traxevc Posted November 2, 2014 Share Posted November 2, 2014 I appreciate your attempt at helping, but in the process of spamming the forums with as many responses in as short of time as possible, you're not reading what you're responding to. I said the motherboard MAY be dead and he already did the paperclip test. In fact, you even quoted me as saying the motherboard could be dead. Please read the thread before responding. My sincere apologies for my silly mistake. Didn't mean to hurt anyone. Just read your post about Mobo being at fault. Sorry. I was not spamming. I just joined the forums because I wanted to post a question. It is Sunday today. Had some free time and thought, while waiting to get an answer, I can try and help somebody. I actually didn't like your comment about spamming, but no worries. I know you are a nice and helpful guy as I have read quite a few of your posts before. Kind regards everyone. Link to comment Share on other sites More sharing options...
Corsair Employee jonnyguru Posted November 2, 2014 Corsair Employee Share Posted November 2, 2014 No offense intended. I know you're just trying to help, though it is odd to wake up on a Sunday and see a dozen new posts in the same sub-forum, all posted within 10 minute's time. ;): Link to comment Share on other sites More sharing options...
candude Posted February 24, 2015 Author Share Posted February 24, 2015 Ended up being a dead motherboard and CPU. Not sure what caused it. After a lengthy warranty process I got machine up and going again and was working awesome for about 6 weeks and then the same thing happened again. No power, no lights, no post. I think the mobo is dead again and will need to check the CPU. I have had it suggested that the PSU could be causing the issue and should be replaced when i get a new mobo. Does this sound plausible? What else could be killing my motherboard(s)? Link to comment Share on other sites More sharing options...
Corsair Employee jonnyguru Posted February 25, 2015 Corsair Employee Share Posted February 25, 2015 Not impossible. If you have to wait for another motherboard, might as well go through the PSU RMA process as well and be 1000% certain. Link to comment Share on other sites More sharing options...
candude Posted February 25, 2015 Author Share Posted February 25, 2015 Not impossible. If you have to wait for another motherboard, might as well go through the PSU RMA process as well and be 1000% certain. Sounds like a good idea. Thanks for you help. Link to comment Share on other sites More sharing options...
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