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[SOLVED] USB warning on GA X77 DS3H

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bingaling2

bingaling2

Joined
Oct 11, 2015
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Motherboard
GA-Z77-DS3H
CPU
core i5 4570k
Graphics
GTX 650ti
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I just installed Sierra with no difficulty at all. However when I turn the machine on it shows a bogus warning that a USB device is using too much power and i have to unplug it to re-enable USB functionality. It's not true at all but it's annoying, cosmetically speaking. Any help would be appreciated. I know I'm not the first to have this problem but I can't find any solution on the forum. Everything seems to work, even Message, to my great surprise!
 
bingaling2 said:
I just installed Sierra with no difficulty at all. However when I turn the machine on it shows a bogus warning that a USB device is using too much power and i have to unplug it to re-enable USB functionality. It's not true at all but it's annoying, cosmetically speaking. Any help would be appreciated. I know I'm not the first to have this problem but I can't find any solution on the forum. Everything seems to work, even Message, to my great surprise!
Click to expand...

Do you have any 3rd party USB cards? Some USB hubs and devices can cause this.
 
I do indeed, but there's nothing connected to it at the minute. And i have a card reader and a rheobus, both of which have USB ports but again with nothing connected to them. I'll avoid connecting anything to them. I just moved the bluetooth dongle to an onboard port. Maybe that'll fix it. Thanks for your reply VioletDragon. Cool name btw ;)
 
bingaling2 said:
I do indeed, but there's nothing connected to it at the minute. And i have a card reader and a rheobus, both of which have USB ports but again with nothing connected to them. I'll avoid connecting anything to them. I just moved the bluetooth dongle to an onboard port. Maybe that'll fix it. Thanks for your reply VioletDragon. Cool name btw ;)
Click to expand...

You may need some USB patches. Is you're card reader connected to front USB header? You may have exceeded the 15 port restrictor but normally if that's the case some ports won't work.
 
I have 14 ports lol, couldn't be closer to the limit. The card reader is connected to one of the internal USB headers. I might just remove it altogether, i never use it.
 
ah now that i think about it, there's probably an internal USB port on the PCI card, so I've 15 ports. I've just checked and there is indeed a USB port inside connected to the PCI card so I've 15 ports. A bizarre thing is that they all work despite the warning.
 
On my Z77-DS3H the USB ports act a little strange occasionally.
To remedy it I shutdown and disconnect the mains lead then hold in the On button for 30 seconds or so.
Reconnect power, switch on and everything is back to normal - YMMV
 
bingaling2 said:
I have 14 ports lol, couldn't be closer to the limit. The card reader is connected to one of the internal USB headers. I might just remove it altogether, i never use it.
Click to expand...

Doesn't work like that. XHC controller which is USB 3 has 2 entries EH01 & EH02 which is USB 2 has 1 entry for each port.
 
P1LGRIM said:
On my Z77-DS3H the USB ports act a little strange occasionally.
To remedy it I shutdown and disconnect the mains lead then hold in the On button for 30 seconds or so.
Reconnect power, switch on and everything is back to normal - YMMV
Click to expand...

Thanks P1lGRIM, that seems to have done the trick, bizarrely!
 
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