Upgraded to EL Capitan now throwing USB overcurrent errors Z77X

RodeoMuffin

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• Oct 2, 2015

• #1

Z77X-UP5TH

I have been at it all day. I have tried disconnecting all internal and external USBs even from motherboard. I still get overcurrent

CONSOLE: AppleUSBUHCIPort@20100000: AppleUSBHostPort::interruptOccurred: overcurrent detected

Also Audio is still borked, post-tool changes not sticking....frustrated, might start clean

I have been all over the interwebs and have not found a fix, any suggestions?

 

rulezman

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• Oct 3, 2015

• #2

same in Z68X-UD4-B3 UEFi motherboard
very annoing! Help!

 

edsonga

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• Oct 5, 2015

• #3

Thank you!!!
this fix my problem,

 

Ega I

GA-P67X-UD3R-B3 |  i5 3470S |  GeForce GTX 660

RodeoMuffin

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• Oct 10, 2015

• #4

Oh man, I feel a little foolish, that worked.

 

RodeoMuffin

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• Oct 11, 2015

• #5

Pulpbag said:

You might be using one of these.

View attachment 153678
A PCIe USB 2.0 Expansion card.
Trying taking it off if you have one, I was having the same issue and removing this got rid of that pesky AppleUSBUHCIPort error.

Click to expand...

BINGO!! That worked. Funny I was not getting over current in 10.8 . Only appears when I tried to upgrade to Yosemite then when I just decided to jump to El Capitan. Pulled it out, powerup, problem solved. I images this could happen so some people that have their front panels wired.

 

Rikkardo92

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• Oct 13, 2015

• #6

Hi guys, I'm a noob, I've the same problem, only that my problem is on a laptop: Asus K53SC ... I can't remove the only USB ports (2 USB 2.0 + 1 USB 3.0 [is it maybe the problem?!]) ...


Do you have any solution? Thanks a lot

 

Olidata Alicon 4 GEAP

Z97M Gaming |  i5 4690K |  GeForce GTX 670

Moscarda

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• Mar 19, 2016

• #7

edsonga said:

this fix my problem
View attachment 154305

Click to expand...

You just posted a photo of your screen with the error—how does that constitute a fix?

I am getting those same pop-up notifications, whether I am using any ports or not.

Same thing with the Console messages.

I can click out of the popups, and sometimes they stay away for hours or days, but half the time they just reappear.

 

ARNAK

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• Apr 10, 2016

• #8

Hello Everyone, hate to open up an old thread, but thank you for suggesting the PCIE 2.0 card could be an issue. That seems to have fixed my issue in El Cap. However, does anyone have an idea how to get the card working? I've got a star tech which are generally very friendly with Macs. Never had the overcorrect issue in Yosemite. Have an X99 GA-UD4. Anyone have success with using an external USB 2.0 PCIE card in El Cap?

Thanks!