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2009 Mini Server Display problem

 
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darr3n
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PostPosted: Sat May 26, 2012 4:48 pm    Post subject: 2009 Mini Server Display problem Reply with quote

Yesterday, I received a used 24" Apple Cinema Display for use with my 2009 Mac Mini Server. While the display looks great, I'm unable to connect the display's USB cable to my Mini without getting this error:

"Because a USB device was drawing too much power from your computer, one or more of your USB devices have been disabled"

Therefore, the display's USB ports, the speakers and the isight camera are unusable. I'm unable to test the display with another computer to verify if it's a faulty display or cable.

I've tried the following with with no success:

1. Reset SMC and PRAM
2. Tried plugging the display into a powered USB hub.

Any suggestions?
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macmanmacman
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PostPosted: Sun May 27, 2012 10:15 pm    Post subject: Reply with quote

You need a powered usb hub the usb ports on that model of mini dont have enough power
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macmanmacman
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PostPosted: Sun May 27, 2012 10:19 pm    Post subject: Reply with quote

Also you might need to see if the apple cinema display is compatible with your mac mini certain models where not compatible with the mini and couldn't produce enough power with a hub even.
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darr3n
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PostPosted: Tue May 29, 2012 11:06 am    Post subject: Reply with quote

Thanks. As I noted, I tried a powered USB hub without success. I tried googling and searching the apple support documents for a compatibility list, but came up empty. Got a link?
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macmanmacman
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PostPosted: Thu May 31, 2012 1:59 am    Post subject: Reply with quote

nope i wish i did is it a widescreen monitor???

The reason i was curious about it was the fact that it is saying it is not getting enough power to the monitor leads me to think that maybe there is a part you might be missing you might need a usb splitter which came to my mind when i first heard this which means that one connector sends and receives data to the monitors usb ports and the camera and the other usb plug goes to a power supply of some sort.

There is a way to look up the compatibility though.

Go back to apple look up your monitor in the support section for apple display's and download the manual the manual might have a solution that we havent thought of here.
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darr3n
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PostPosted: Fri Jun 01, 2012 3:40 pm    Post subject: Reply with quote

I was able to try it out on a couple other macs this week. Something must have been damaged in shipping because it throws that error no matter which mac it's plugged into.
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macmanmacman
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PostPosted: Sun Jun 03, 2012 2:51 pm    Post subject: Reply with quote

this is why i think you are missing a splitter and power supply.
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darr3n
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PostPosted: Sun Jun 03, 2012 3:00 pm    Post subject: Reply with quote

Nope, not missing anything. This is an Apple LED 24" Cinema display. One power cord to an AC outlet, and one cord that terminates in a mini-displayport, usb and magsafe charger. Should work, but obviously doesn't. Seller has already accepted it's return.
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macmanmacman
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PostPosted: Sun Jun 03, 2012 3:02 pm    Post subject: Reply with quote

AHHHH Now i see!!!

I thought you had the led one with the usb port that powered the unit and sent data then yes you have a dead monitor glad to here they will except a return
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