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Apple Desktops Discussion of Apple's desktop machines including Mac Pro, iMac, Power Mac, and mini

Using 2009 iMac as external monitor to MBP


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mikenewport

 
Member Since: Apr 22, 2012
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Hi all,

I've got a new MacBook Pro, and a 2009 iMac which I use with an external display. The iMac is now substantially slower than the MacBookPro (of course) and I suddenly thought I wonder if I could use the iMac as an external monitor and just work off the MacBookPro, but also keep using my additional external monitor (as it's a lot bigger than my MBP screen)?

So essentially my current setup of an iMac with external monitor would all look the same as it always has, only it would work a lot faster as the MBP will actually be the brains behind it....

Any hints/tips on how to do this or any adaptors etc i'd need to buy would be great...

Thanks in advance!
Mike

Specs are:

27" 2009 iMac 2.8Ghz i7 16GB RAM

15" MacBookPro (2013), 2.7Ghz i7 16GB RAM

Other external monitor: Dell 23" SP2309
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chscag

 
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Your late 2009 27" iMac does not have a video input port. It has a MiniDisplay Port output only for attaching an external monitor to it. There really isn't a practical way to use your iMac as an external monitor for the MacBook Pro. There is software (Screen Recycler) that supposedly works but the results are poor and you would only be able to use the iMac and not the Dell.
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mikenewport

 
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Thanks for your reply - I found this youtube video: Using 27 Inch iMac As External Monitor Computer - YouTube

It was posted late 2009, so surely must be the same iMac/earlier than mine and he seems to have managed it - can you shed any light on this at all?

Thanks again,
Mike
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mikenewport

 
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Actually this suggests it could work too... Target Display Mode: Frequently Asked Questions (FAQ)
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Mac Specs: 13" MB 2.4ghz, 2gig ram, OS 10.7.5

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Quote:
Originally Posted by mikenewport View Post
It was posted late 2009, so surely must be the same iMac/earlier than mine and he seems to have managed it - can you shed any light on this at all?
Here's the deal to use your iMac as an external display:

'This model also "supports input from external DisplayPort sources" with adapters, so it can be used as an external display for DisplayPort-equipped devices as well as a computer.'

- Nick

- Computer slow, too many "beachballs", read this: Beachballs
- Computer seems slower than it used to? Read this for some speedup tips: Speedup
- Almost full hard drive? Some solutions. Out of Space
- Apple Battery Info. Battery
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pigoo3

 
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Quote:
Originally Posted by mikenewport View Post
Actually this suggests it could work too... Target Display Mode: Frequently Asked Questions (FAQ)
"Target Display Mode" (TDM) is the shorter & fancier way of saying what I posted above (mini-display port to mini-display port)...via cable connection. Which is mentioned in the TDM link you posted above.

- Nick

- Computer slow, too many "beachballs", read this: Beachballs
- Computer seems slower than it used to? Read this for some speedup tips: Speedup
- Almost full hard drive? Some solutions. Out of Space
- Apple Battery Info. Battery
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mikenewport

 
Member Since: Apr 22, 2012
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Thanks for your answer - awesome! Great news.

Can you think of any way of still using the other monitor too? Is there some sort of hub to split the signal, or a way of sending on from the iMac to the other display? Or perhaps using one of the other Thunderbolt ports on the MBP I could hook the other monitor up?

Thanks again, really appreciate the advice.
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pigoo3

 
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Quote:
Originally Posted by mikenewport View Post
Can you think of any way of still using the other monitor too? Is there some sort of hub to split the signal, or a way of sending on from the iMac to the other display?

Thanks again, really appreciate the advice.
For $327 bucks...you could try this:

PCM | Matrox, eXpansion Module TripleHead2Go - Digital Edition - video converter, T2G-D3D-IF

- Nick

- Computer slow, too many "beachballs", read this: Beachballs
- Computer seems slower than it used to? Read this for some speedup tips: Speedup
- Almost full hard drive? Some solutions. Out of Space
- Apple Battery Info. Battery
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