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Is my PSU failing?

post #1 of 7
Thread Starter 
I have a Corsair TX850 in my sig rig and I am suddenly getting random crashes and my video cards keep putting the monitor to sleep.

I noticed it it dropping below 3 v on load on the 3.3v but the 12v and 5v still seem fine. It didn't drop below 3.3v before this so I am probably answering my own question but would like other opinions before I buy a new PSU in case I don't need it.

What do you guys think?
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Goliath
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post #2 of 7
I would try RMA'ing it - how are you getting these voltage readouts?
    
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post #3 of 7
Are you getting those voltages through a program or are you using a multimeter?

It does sound a bit like a PSU. But it could be some controllers on your mobo going kaput. However, since you have an ASUS Crosshair, I wouldn't really expect anything to die, though my Realtek LAN chip died on my ASUS board...

PSU perhaps. If you can RMA it for free (or cheap), I'd so so...
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Unlawful
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post #4 of 7
Thread Starter 
I'm using PC Probe II and AMD overdrive and both show the same sub 3v readings under load. I'll check with a multimeter too.....
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post #5 of 7
Yeah don't use software, they're junk. And I wouldn't worry about your voltages. They are most likely alright.
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post #6 of 7
Thread Starter 
So I took the case panels off and pulled out the excess sata cables and such and noticed the 3.3v go back up in the software monitor right away. I then measured the 12v, 5v, and 3.3v on the sata connectors and all were well above spec at idle and at full load.

Also, all the instability is gone and I ran prime95_64 all night while I slept with no errors at 4.2 Ghz.

This leads me to conclude that the cables were somehow shorting on the case and causing the problems previously mentioned. I will tape the ends before I put them back into the case.

Just an FYI for future viewers. And thanks for the help guys....
Goliath
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fBSD
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pfSense Box
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WD Green WD Green FreeBSD 10 OCZ ModXtreme Pro 500 
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Goliath
(13 items)
 
fBSD
(10 items)
 
pfSense Box
(11 items)
 
CPUMotherboardGraphicsRAM
i7 4770 Gigabyte z87x-ud3h Intel HD4600 G.Skill Ripjaws X 
Hard DriveOptical DriveCoolingOS
Crucial M500 Pioneer Blu-ray Burner Swiftech Polaris Linux Mint 
MonitorKeyboardPowerCase
Korean 1440p WASD 104 key v2 - mx Blue switches Corsair HX-650 v2 Lian Li pc-a05n 
Mouse
Logitech G600 
CPUMotherboardGraphicsRAM
Intel Core i7 2700k Asus z68 Deluxe Gen 3 Gt 610 8 Gb Samsung Magic Memory 
Hard DriveHard DriveOSPower
WD Green WD Green FreeBSD 10 OCZ ModXtreme Pro 500 
CPUMotherboardGraphicsRAM
Intel Celeron G1620 Asus z68 Deluxe 9500 GT Corsair Value Ram 
Hard DriveOSMonitorPower
OCZ Agility SSD pfSense / FreeBSD SSH via LAN Antec 520w Gamer 
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post #7 of 7
You've got me! If it works, let it be.
Unlawful
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Unlawful
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