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Need help with power supply 24 pin cable

post #1 of 12
Thread Starter 
I just got done sleeving my 24pin motherboard cable from my Ultra X4 750Watt power supply. I took each wire out one at a time and sleeved it and used heat shrink then put it back in before I took the next wire out. Got it all done and plugged it back into my computer. The lights on the motherboard come on but when I hit the power button, the fans move for a split second then stop. I took the cable back out and checked the pins and some of them werent in all the way so I reseated each pin 1 by 1 until they all clicked and were seated all the way in. Plugged it back in again and the same thing happened, the fans just turned for a split second then stopped. I was extremely careful not to mix the wires up (thats why I did one at a time) but I think maybe somewhere down the line, I might have put one in the wrong spot. I know one of the pins that comes out of the power supply spot has 2 wires on it and its possible that I mixed them 2 up but I dont think that matters because they both were coming from the same pin although one wire seemed thinner than the other.


Can anybody tell me if this is the correct schematic for my PSU. Im sure they are all the same but I just wanted to double check. Or does anybody Know where I would be able to buy just the modular 24 pin cable for my PSU? I checked Ultras website and they dont even show my PSU anymore let alone any single cables. Any help would be greatly appreciated. Thanks in advance.
post #2 of 12
yes, all PSU's are the same when it comes to the 24pin.

Email customer server and ask for another.
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post #3 of 12
Thread Starter 
Quote:
Originally Posted by mastical View Post
yes, all PSU's are the same when it comes to the 24pin.

Email customer server and ask for another.
Thanks for the reply. I guess its always worth a shot.
post #4 of 12
You just voided your warranty. And your PSU is dead.
Try disconnecting everything and start the Psu only with your mobo and CPU connected.
If it works then you are in good shape. If not check the pins again.
Try and try again.
Check all connections.
If nothing the it's static electricity that prob screwed everything.
Try to use the psu in a
Different system to see if it works
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post #5 of 12
Maybe this diagram will help more.
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post #6 of 12
Thread Starter 
Quote:
Originally Posted by qUAan View Post
You just voided your warranty. And your PSU is dead.
Try disconnecting everything and start the Psu only with your mobo and CPU connected.
If it works then you are in good shape. If not check the pins again.
Try and try again.
Check all connections.
If nothing the it's static electricity that prob screwed everything.
Try to use the psu in a
Different system to see if it works

Voiding the warranty is fine with me because I probably voided it the second I started sleeving it. I have a power supply tester, I guess I can try that. Also, Ill check it in a different system. Thanks.
post #7 of 12
Thread Starter 
So pretty much its safe to say pin 1 from the motherboard side goes to pin 1 on the power supply side?
post #8 of 12
Thread Starter 
Fixed it! Everything works like it should. Thanks for the help guys.
post #9 of 12
Quote:
Originally Posted by liljoejoe54 View Post
Fixed it! Everything works like it should. Thanks for the help guys.
So what was the problem?
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CPUMotherboardGraphicsRAM
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CoolingOSMonitorPower
Stock pfsense Acer H233H Antec EarthWatts 430 
CaseAudio
custom onboard 
CPUMotherboardGraphicsRAM
Q6600 B3 Lapped @ 3.4 GA-EP45-UD3R EVGA 9600GSO 384m 96SP 4G (2x2) Patriot Viper PC2-8500 
Hard DriveOptical DriveCoolingOS
80g Maxtor, 320WDC. 320Seagate NEC ND-3550 & LiteOn CM Hyper 212+ w/PP Blademasters XP Pro SP3 
MonitorPowerCase
Acer H233H Rosewill RG630-S12 NZXT BetaEVO 
CPUMotherboardGraphicsRAM
E6420 GA-P35-DS3L GeForce 7300LE 2G PNY PC2-6400 
Hard DriveOptical DriveOSMonitor
80Gig WDC SATA NEC ND3540A Win 7 Ultimate 64bit/XP Pro Acer H233H 
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Antec Earthwatts 430 none 
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post #10 of 12
Thread Starter 
Quote:
Originally Posted by PapaSmurf View Post
So what was the problem?
The motherboard side has an empty slot in the connector and I guess when I was putting a pin back, I put it in the slot that is supposed to be empty making a whole row of pins shift over a slot. I went to Tigerdirect by my house and bought another X4 PSU to use that 24 pin connector to draw up a schematic and get mine corrected. Im gonna return the PSU today and pay a 15% restock fee, Its gonna cost me $13 so I guess its better than messing anything up anymore. Oh and the ATX schematic I found online and linked in my first post wasnt like the cable that I bought, a lot of the colors were in different spots so I couldnt go off the online schematic. In case anybody is interested, I will draw up the schematic for the X4 24pin cable and post it here.
Edited by liljoejoe54 - 5/11/11 at 6:17am
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