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Anyone with a 2011 Macbook Pro having problems with HDMI to external monitor?
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Old 13th June 2012   #1
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Anyone with a 2011 Macbook Pro having problems with HDMI to external monitor?
I'm running a 2011 17" Macbook Pro with the Moshi HDMI to thunderbolt adapter, connecting to an Acer 24" 1080p monitor...

Everything shows up fine, but whenever I try to do work in Ableton or Photoshop or Final Cut, or even if i just try to play a video from netflix or youtube and etc. my CPU becomes insanely overworked and everything shuts down basically, spinning wheel of death until restart...

I opened Activity Monitor to see what was going on...

Without the HDMI adapter plugged in I'm not even using 4 cores half way, but when i plug the HDMI adapter in and start to do work after about 3-5 minutes ALL 8 cores jump to 80-100% and the machine comes to a halt.

Anybody else having trouble with this?

I wonder if this is why Apple implemented a direct HDMI port this time around?
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Old 14th June 2012   #2
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Old 14th June 2012   #3
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I.m sorry I'm not speaking for a MBP,but my dell XPS[i7 2011 model] DPC latency goes through the roof,when using its HDMI.

Unplug,and its back to normal.
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Old 15th June 2012   #4
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Originally Posted by rksguit View Post
I.m sorry I'm not speaking for a MBP,but my dell XPS[i7 2011 model] DPC latency goes through the roof,when using its HDMI.

Unplug,and its back to normal.
not sure what DCP latency is but yeah this sounds like what is happening to mine... every core suddenly becomes completely full out of nowhere until i unplug
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Old 15th June 2012   #5
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Did you try running it in 720p?
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Old 15th June 2012   #6
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I'm all good here.
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Old 16th June 2012   #7
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Originally Posted by Rightclick View Post
I'm all good here.
What is your system config? what type of monitor are you running?

in 720p or lower resolutions the computer does better, but still struggles. at 1080p and even 1080i it is useless
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Old 21st June 2012   #8
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1080p for me. Working like a dream.
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Old 21st June 2012   #9
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1080p for me. Working like a dream.
shoot. guess it's time to make an appointment with the ol' apple store.
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