Thunderbolt & Screen

Hi..
i have an Imac mid 2011. One thunderbolt, which i use mostly with a Lacie Thunderbolt for video editing.
I need to add a new monitor my work, but i think that if i use my thunderbolt for the screen i will not be able to use Lacie. There are things like the Belkin dock..whic kind of expensive for my needs. Is anyone has suggestions for this issue?
Thanks in advance!
Cheers..
L

No ! I walked away from the computer, it went to sleep and when I signed in again, no Thunderbolt screen. In order to get the screen to open up I have to remove the cord from my MacBook Pro and put it back in again. Previously I thought I had simply loosened the connection but that's not it.
This all started with Mavericks. Before I simply opened up my computer and both screens lit up.
Suggestions?
Thanks, Tzipora

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I updated this week to Yosemite on my MacBook Pro 2012, connected to a Thunderbolt screen.
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Only thing that helps is turning electricity off of the screen, put it on again and everything comes to life again.
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Im also having an issue with my monitor since I updated to Yosemite. I have a mid 2010 15" mac book pro.
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my computer slows and freezes, its unusable. I spent a few hours at the genious bar with my mac book pro
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I just got my ATD and late 2011 MBP up and running. I've not tried running without the power adapter from the ATD plugged in, but I just tried and didn't have any problems with the display not waking. You may want to take your query to the ATD forum - https://discussions.apple.com/community/peripherals/thunderbolt_display - perhaps someone there has experienced a similar issue.
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Welcome to Apple Discussions
I believe you have a failing GPU (aka Video Card). Run AHT and see what it tells you. Do not be afraid to run it up to three times in succession if at first it does not detect an error (sometimes errors that are caused by overheating will not show up until the computer is stressed enough - repeating AHT will do that).
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John Lockwood wrote:
.... I had considered the Belkin or Matrox Thunderbolt 'docks' but neither has a pass through Thunderbolt port which in my opinion makes them pretty useless devices.
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http://www.belkin.com/us/thunderbolt
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Hi,
Here is one for the community.
My 27inch screen started playing up and losing the back light. The only way to get it back was to disconnect from my mac mini and re connect again and it would bring the screen to life for a short time, progressingly getting worse.
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Thanks for the responses. I figured it was defective but was hopeful that maye it wasn't.
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Hi there,
I have two screens, one connected via HDMI, and another via Thunderbolt, which goes into thru UA APOLLO audio interface's 2nd thunderbolt output, when my Mac Mini starts up it is fine, for around 5 minutes, but then the thunderbolt display always goes blank, the machine still recognises its there as I can still drag things out of my HDMI screen to where the Thunderbolt screen should be, I have tried new cables, cleaning sockets with antistatic cleaners, the thunderbolt screen works fine with out the hdmi screen being connected and vice versa, any help would be greatly appreciated.
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Archimaredes wrote:I don't have much experience with this, so forgive me if I'm wrong, but should that not be 1080, instead of 180?
Thank you, but "180" actually means that the upper border of the 2nd display starts 180 pixels below that of the 1st one. The number may be a bit misleading, but it is how my displays are physically set up.
olive wrote:If gdm cannot behave properly, you can simply disable the external monitor in xorg.conf
This is a fabulous idea, I hadn't even thought about this! Launching the xrandr command at the start of the GNOME session is really easy with gnome-session-properties.
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Section "Monitor"
Identifier "DVI-0"
Option "Primary" "true"
Option "Position" "0 0"
Option "PreferredMode" "1920x1080"
EndSection
Section "Monitor"
Identifier "DVI-1"
Option "Position" "1920 180"
Option "PreferredMode" "1360x768"
Option "Disable" "true"
EndSection
If I could get this to work, this would be a wonderful workaround.

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What type of MacBook are we talking about? Is it Thunderbolt Capable (look for the Thunderbolt lightning symbol above it)? A Mini Displayport MacBook wont work.

Thunderbolt & Screen

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