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Hum noise from computer - Page 2

post #11 of 17
may be caused by a bad audio port. Just a quick assumption.

So if you unplug both speakers / and head phones both from power as well so they are complete off. the motherboard still hums?

and you are correct, Two Dongles, it is electrical related. I know exactly what he's talking about LOL

but I have no idea what it causes. electrical interference (after typing and thinking this it may be a grounding issue!), got to love it!
post #12 of 17
Quote:
Originally Posted by Cloudforever View Post

may be caused by a bad audio port. Just a quick assumption.

So if you unplug both speakers / and head phones both from power as well so they are complete off. the motherboard still hums?

and you are correct, Two Dongles, it is electrical related. I know exactly what he's talking about LOL

but I have no idea what it causes. electrical interference (after typing and thinking this it may be a grounding issue!), got to love it!

 

No, because he can hear it coming directly from the computer as well.

It's a computer!
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CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
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It's a computer!
(19 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
Mouse PadAudioAudio
Basic, but premium round X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
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post #13 of 17
also after rereading and some more thought in it, have you attempted unplugging your mouse / keyboard at all and your monitor to test that out?

just power on the tower itself and give it a minute to boot up?

and try a different monitor?

what CPU cooler are you using? Stock fan? or an AIO?
post #14 of 17
Thread Starter 
Sorry, I was out for a while and just got back.

Using a H100i v2 AIO. Tried unplugging everything and turning off all monitors, but no dice.

I took a recording of the noise with my phone, but with the fans running, it's no a great recording:

https://clyp.it/nvylc0ee

Thanks for all the input guys, it's really got me stumped too!
ElevenShiftySix
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ElevenShiftySix
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post #15 of 17
lets seee............................................................

swap attempts:

PSU > no

Motherboard > no

GPU > no

Monitor > no

Peripherals > no

you've removed all fans (disconnected) them, besides AIO, then turn it on and nothing? (I hate to say it) My next step would be definitely testing out the AIO by itself, as in just unplug your PSU from the motherboard and everything else to allow 0 power on anything but the AIO in the 3 or 4 pin part of your PSU only and try that?

FYI , not saying unmount it or anything if you dont have to. just plugging in the pump + fan(s)
Edited by Cloudforever - 4/23/17 at 12:36pm
post #16 of 17
Thread Starter 
Quote:
Originally Posted by Cloudforever View Post

lets seee............................................................

swap attempts:

PSU > no

Motherboard > no

GPU > no

Monitor > no

Peripherals > no

you've removed all fans (disconnected) them, besides AIO, then turn it on and nothing? (I hate to say it) My next step would be definitely testing out the AIO by itself, as in just unplug your PSU from the motherboard and everything else to allow 0 power on anything but the AIO in the 3 or 4 pin part of your PSU only and try that?

FYI , not saying unmount it or anything if you don't have to. just plugging in the pump + fan(s)

I tried as you suggested, unplugged the aio, jumped the psu, and the noise stopped. However, the video card wasn't getting power either, so I plugged the aio back in, took the gpu out, and tried again, and there was still no noise. So, it seems clear that the GPU is either the culprit or maybe the power to the gpu is the issue. It's a shame because as I mentioned, I already RMA'd the card through EVGA, and even did the advanced RMA so that I could test both cards at the same time, but both cards made noise. Very strange issue indeed.

The only thing I may do is buy a "hum filter", which are commonly used for electric guitars/basses to eliminate 60hz hum, as I could use one for my bass gear anyway.

If anyone else has any ideas, I'd appreciate the input!

Either way, +REP for everyone, thanks for all the help!
ElevenShiftySix
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ElevenShiftySix
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640GB WD Caviar Blue Windows 7 Home Premium x64 HP w2338h 1920x1080 Corsair VX550 
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post #17 of 17
Quote:
I tried as you suggested, unplugged the aio, jumped the psu, and the noise stopped. However, the video card wasn't getting power either, so I plugged the aio back in, took the gpu out, and tried again, and there was still no noise. So, it seems clear that the GPU is either the culprit or maybe the power to the gpu is the issue.

So you attempted unplug the PSU to everything but the AIO and sound was good?

after confirming, you plugged PSU back into the GPU / motherboard and sound started again?

Do you have the option to use another 6+2 pin(s) on the PSU?

It sounds to me, since you said you tried your 1070 and 1080 GPUs it would lead me to be the power supply over anything.

But I dont want to assume smile.gif
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