Zelk Posted May 9, 2014 Share Posted May 9, 2014 Hi there, not sure if this is acctually related to RW750 or not but i'll take my chances! Im writing this for my brother, i've read most of the thread in general to find out if our problem with his computer was related to this thread but im still unsure. His computer is very good, atleast as far as i know, or was good rather said. About a week ago he started getting "Random power surges" or something like that, and ASUS turned his computer off to protect itself etc, so we thought it was a power supply issue (You can find computer spec in profile i think?) and i ordered the RW750 power supply for him and to supposedly "fix" the issue he had. After he had plugged the power supply in the computer refused to start, got that long beep followed by two short beeps, long story short the motherboard had broken but the warrenty was still in effect, so my parents went to that store to get a new one, what they came home with wasn't the new motherboard of the same type as before, i don't really know why they couldnt get the same product but as far as i understood they got a downgrade + a giftcard charged with the money that differ between the two motherboards. So now with both a new motherboard and new powersupply we tried to start it up again, it did but now BIOS and stuff was harrashing us instead, long story short he fixed it by formating (Not sure if thats the right word in English?) the computer and reinstalling windows 7 and the drivers again. The computer finnaly worked after about 9 days of work/waiting. Then he fixed the games he wanted to play and started playing ESO (Elder Scrolls Online, Which he can run at all settings at Ultra). After almost two hours (1h 44min) my call to him on Skype suddenly dissconnected, and i went to check on what have happend. His computer had just suddenly shut it self off, and he said that the Power supply was very hot at that time that had happend (I arrived about 10 minutes after the call disconnected). We tried with flipping the switch in the back of the computer and then starting it, but this time with no reaction, nothing happens when the power is on and we press the start button... We've tried this so far: Flipping the switch from on/off in the back of the computer before starting it Connected the old powersupply and also flipped that switch on/off before starting checked that all the cables are connected correctly Tried different poweroutlets (Is outlets the word im looking for here?, those thingys in the wall with electricity :p) I don't know if we've tried anymore than that other than reading on this forum about this problem with RW750, we checked the LOT number on our Power Supply which if i understood correctly was 1404 and therefore shouldn't be affected by this issue? But the fan in the power supply didn't start spinning before (Neither did it afterwards since the damn thing wont start now) the computer shut it self off according to my brother. I don't know much about these kind of things, i know that you don't put your fingers in the spinning thingys inside the computer and that theres several parts and cables, and that the computer is supposed to start when you press the start button, and thats about all i know about hardware and stuff.. What im wondering about is if there is any other known malfunctioning feature in RW750 that caused this, or did i just get a faulty one from the start? The motherboard could also be to blame but it did work for almost more than two hours, and the sudden poweroff seems more like an overheating thing to me than anything related to the Motherboard.. I read i think in the begining of this thread that the RW750 problem wouldnt damage the power supply nor the system, but it seems like that have happend, since it refuse to start even with the old power supply. Other information i can provide is that the weather has been rainy today in Sweden where i live, which could have caused temperature outside to be about 10*C at the time of the poweroff, which means his room temp would be about 20-22*C at the most. His computer have about 3-5 different fans so the air is well circulated.. And also if the RW750 Power Supply is to blame and have damaged the rest of the system/parts, what type of compensation would we recieve from Corsair then? Considering the Power Supply was brand new and was manufactured long after the "heat/fan issue" was fixed it should have worked without problems right, and more certainly it shouldn't have damaged or destroyed anything else on usage correct? But that is all speculations for now since i don't know if the power supply from Corsair (RW750) is to blame or if it acctually have damaged anything yet, but when i know the reason for why the computer won't start, i'll let you guys know. Hopefully im just to bad at these things and have overlooked something simple-to-do fix at home to get the computer running again, since i'd rather have him be able to play on the computer quickly than being here arguing, but i am very interested in any information you guys have on what can have caused this! Let me know if the computer spec in profile isn't enough and i'll try to get more information about which parts he uses etc if it will help! Have a nice weekend. Looking forward to your reply! With Regards, Marcus Link to comment Share on other sites More sharing options...
Corsair Employees jonnyguru Posted May 9, 2014 Corsair Employees Share Posted May 9, 2014 His computer had just suddenly shut it self off, and he said that the Power supply was very hot at that time that had happend (I arrived about 10 minutes after the call disconnected). We tried with flipping the switch in the back of the computer and then starting it, but this time with no reaction, nothing happens when the power is on and we press the start button....... .....we checked the LOT number on our Power Supply which if i understood correctly was 1404 and therefore shouldn't be affected by this issue? Edited for those who only care about the important stuff. If the lot code is 1404, it's not the problem that is outlined in this thread because that particular problem was addressed after lot code 1341 and newer. The Asus "power surge" thing has caused MANY people to falsely accuse their power supply as being problematic, but I've found that more than 50% of the time, the PSU is not to blame. Keep in mind that the motherboard has to tell the PSU to turn on. In no way is the power button in the front of any ATX case wired to any ATX power supply. They're wired to the motherboard. So if a good PSU is plugged into a bad board, guess what?... the PSU still doesn't turn on. The motherboard could also be to blame but it did work for almost more than two hours, and the sudden poweroff seems more like an overheating thing to me than anything related to the Motherboard.. The power supply could also be to blame, but it too worked for almost more than two hours and then suddenly powered off so it seems more like an overheating of something on the motherboard than something related to the PSU. What you do know is that with the RM750 plugged into this system, it doesn't turn on. So the first step should be to take the RM750 OUT of the system and "jump" the power on leads like this: http://forum.corsair.com/forums/showthread.php?t=63991 Since the PSU fan won't turn on, have a fan plugged into one of the Molex connectors to see if it comes alive after you do this. If the PSU works this way, but not when hooked back up into the rest of the system, the problem could very well be the motherboard. If the PSU cannot power up a fan when you jumper those two wires in the other thread, then the PSU is dead and you need to get an RMA. Link to comment Share on other sites More sharing options...
Zelk Posted May 9, 2014 Author Share Posted May 9, 2014 Hi Again. Does PSU mean Power Supply? Because if so we did try with the older one (which ASUS accused of power surge thingy) And it didn't work either. My brother did say that the old power supply did cause the graphics cards fan to start spinning for a sec (The only thing that moved at all) before it stopped once again, but i don't know if thats the case for RM750 (We did not check that at the time). I checked the link out but all i can see is some picture which i don't understand at all, the video link says that its either moved or to old to work (I kind of need that video to understand!) But i'll try to google some information, although when dealing with these kind of things i'd prefer a professionals video before a newbies, so if you have an updated link to that video for me i'd be happy to recieve it :p BTW i made the post so long so that i possibly couldnt miss any information, since the worst part i know about forums and stuff is first to have to wait for an answer only to recieve a reply with followup questions, and then have to wait for those to be answered etc, i know it was way to long but atleast you understood my problem and could provide a solution to see if the power supply was at fault or not, which is good enough for me :p Thanks for the fast reply, i'll see if i can manage to test the power supply with a fan! //Marcus Link to comment Share on other sites More sharing options...
Corsair Employees jonnyguru Posted May 9, 2014 Corsair Employees Share Posted May 9, 2014 PSU = Power Supply Unit I checked the link out but all i can see is some picture which i don't understand at all... Then you should take the PSU to someone that knows PCs, builds them themselves, etc. Probably best thing to do so you don't hurt something/yourself. Link to comment Share on other sites More sharing options...
Administrators Technobeard Posted May 10, 2014 Administrators Share Posted May 10, 2014 I've split this to its own thread. Here's a video we did a couple of years ago that will help you and a friend test the PSU: [ame] [/ame] Link to comment Share on other sites More sharing options...
Corsair Employees jonnyguru Posted May 10, 2014 Corsair Employees Share Posted May 10, 2014 I believe that is the video that the OP tried to access from this link: http://forum.corsair.com/forums/showthread.php?t=63991 It's giving a 404. Maybe you could fix the link in that post? The bad thing about the video is that Jeff says to locate "the green wire". There is no green wire on an RM PSU. They're all black. :(: Link to comment Share on other sites More sharing options...
Administrators Technobeard Posted May 10, 2014 Administrators Share Posted May 10, 2014 I believe that is the video that the OP tried to access from this link: http://forum.corsair.com/forums/showthread.php?t=63991 It's giving a 404. Maybe you could fix the link in that post? Good idea, fixed :) The bad thing about the video is that Jeff says to locate "the green wire". There is no green wire on an RM PSU. They're all black. :(:Yeah, that's true. Looking at the diagram and the ATX connector and counting holes should help. Link to comment Share on other sites More sharing options...
Zelk Posted May 10, 2014 Author Share Posted May 10, 2014 Good Morning! Thanks for all the replys, i'll be sure to check that video out and see what i can manage to do from it :P Will let you guys know how it goes! // Marcus Link to comment Share on other sites More sharing options...
Zelk Posted May 10, 2014 Author Share Posted May 10, 2014 Well his computer works now, apparently it was some problem with his Graphic card, he switched to an old graphic card and is now using the old PSU and everything works great for him for now. I still have not tested the RM750 PSU (Which most likely is the only relevant thing you guys wanna know about) yet but i'd think it will work out just great. I'll let you guys know if/when i test the RM750 PSU but as said i doubt theres anything wrong with it, for anyone with similar problems try switching the graphic card and see if the computer will start then :p Thanks for all the help guys ^^ Link to comment Share on other sites More sharing options...
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