Mac Thread, Macbook Pro to projector issues in Technical; We are getting random display issues when connecting the blue VGA(RGB) projector cable to thunderbolt mini adapter (genuine Apple version). ...
20th September 2012, 02:55 AM #1
- Rep Power
Macbook Pro to projector issues
We are getting random display issues when connecting the blue VGA(RGB) projector cable to thunderbolt mini adapter (genuine Apple version). We often get three stripes down the projected image. I know we can resolve this with a shut down and restart however in a classroom situation this is not ideal.
Does anyone have experience of this issue and if so did you find a workaround?
The reseller did suggest booting once whilst holding down shift key which then boots into 'safe mode' followed by a restart and we thought that this would resolve it but we are still getting random, maybe 15% of staff, with either the striped image or just a blue screen.
New 2012 Macbook Pro 13" and korean brand projectors that do not have hdmi port
Any help appreciated
20th September 2012, 06:28 AM #2
Have you tried:
yanking the connector then plugging it back in
using the display settings (you can have an icon in the top bar) to disable then re-enable the external output
testing under boot camped Windows to see if it is a mac driver issue
testing with an external monitor and the same resolution settings to be sure it is not just the adapter
different resolutions to the projector
different refresh rates to the projector
Sacrificing a goat to Steve Jobs petty spirit :P
20th September 2012, 06:44 AM #3
10.8.2 is what you need.
^ The 'certain Mac notebooks' are the 2012 MacBook Pro's.
Resolves a video issue with some VGA projectors when connected to certain Mac notebooks
20th September 2012, 07:35 AM #4
That was good timing of Apple to release 10.8.2
Originally Posted by Arthur
20th September 2012, 08:00 PM #5
- Rep Power
Had similar issues with new MacBooks.
Reboot the Mac with it all plugged in and the projector on. Seems to work for us as a work around at the moment.
But if 10.8.2 fixes it, then it's all good.
24th September 2012, 11:37 AM #6
It would be unpatriotic to buy apple in korea these days
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