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How accurate is this way of testing your power supply?

post #1 of 7
Thread Starter 


Just curious...I have a lot of older power supplies I need to get rid of, some that are pretty old and just curious to know how accurate this is. It appears this way is much faster than setting up the PSU in a case or having to connect it to the motherboard. Much thanx in advance!
    
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post #2 of 7
I assume it's only good enough to see if it flicks on. Putting it in a PC will give it some sort of load, where you can be more confident it actually works.

I suppose it'll work alright, but load testing it will give you more certainty.
magg0rt
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magg0rt
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post #3 of 7
About all it can tell you is if the PSU isn't completely dead. Some PSUs could even have issues with no loads on the minor rails and will not function normally with just one fan. And just because a PSU can run a fan doesn't mean it is operating properly.
i7 monsta
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post #4 of 7
I don't know how accurate you want it to be... it proves that the PSU is still able to turn on and deliver some power, but that's the extent of it. It's a quick and dirty method of separating completely dead units from the rest.
post #5 of 7
Thread Starter 
Well If i have tried it in two separate PSU's so far and got no result, then this would mean that no power is going through then, correct?
    
CPUMotherboardGraphicsRAM
Core 2 Duo E7400 XFX 750i nForce® SLI socket 775 Motherboard PNY XLR8 GTX 275 896MB GDDR3 RAM 6gb Ddr2 800 Mhz 
Hard DriveOptical DriveOSMonitor
Barracuda 7200.10 320gb Sata 3.0Gb/s LG GSA-H20L DVD-RW drive Windows 7 64bit Ultimate Acer X213H 23" 1080p 
KeyboardPowerCaseMouse
Microsoft Wireless Confort Keyboard 4000 Rosewill Green Series RG530-S12 530W 10 Bay ATX Midtower Case Microsoft Wireless Laser Mouse 5000 
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CPUMotherboardGraphicsRAM
Core 2 Duo E7400 XFX 750i nForce® SLI socket 775 Motherboard PNY XLR8 GTX 275 896MB GDDR3 RAM 6gb Ddr2 800 Mhz 
Hard DriveOptical DriveOSMonitor
Barracuda 7200.10 320gb Sata 3.0Gb/s LG GSA-H20L DVD-RW drive Windows 7 64bit Ultimate Acer X213H 23" 1080p 
KeyboardPowerCaseMouse
Microsoft Wireless Confort Keyboard 4000 Rosewill Green Series RG530-S12 530W 10 Bay ATX Midtower Case Microsoft Wireless Laser Mouse 5000 
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post #6 of 7
Assuming it's done correctly (proper wires are shorted, the switch is set to on, and it's plugged into a working socket), then those units are junk.
magg0rt
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32GB Samsung 30nm RAM (8x4GB) 240GB Seagate SSD (Windows 8.1) 120GB Samsung 840 Pro (Fedora Linux) 120GB PNY XLR8 SSD (Steam) 
Optical DriveCoolingOSMonitor
HP DVD Writer 1070r Corsair H100i Windows 8.1 Pro x64 Planar SA2311W (120HZ) 
MonitorKeyboardPowerCase
ASUS VG248QE (144HZ) CM Storm QuickFire Pro Antec TruePower New 750w Corsair 200R 
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SteelSeries Xai ASUS Xonar DX 
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magg0rt
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RAMHard DriveHard DriveHard Drive
32GB Samsung 30nm RAM (8x4GB) 240GB Seagate SSD (Windows 8.1) 120GB Samsung 840 Pro (Fedora Linux) 120GB PNY XLR8 SSD (Steam) 
Optical DriveCoolingOSMonitor
HP DVD Writer 1070r Corsair H100i Windows 8.1 Pro x64 Planar SA2311W (120HZ) 
MonitorKeyboardPowerCase
ASUS VG248QE (144HZ) CM Storm QuickFire Pro Antec TruePower New 750w Corsair 200R 
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SteelSeries Xai ASUS Xonar DX 
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post #7 of 7
yes all PSUs should turn on when the green wire is connected to a ground, if they do not come on for a second or two at all then they are gone. I use this method to turn on a PSU i use for peripheral device such as a amp for subwoofers/a contraction i made for fan control and temperature monitoring.
X99 Main Rig
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X99 Main Rig
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