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User profile for user: AndrewWilk
AndrewWilk Author
User level: Level 1
4 points

Using an early 24" iMac as a 2nd screen?

Could I use my 24" early 2008 iMAC as a 2nd screen by connecting it to a new 14" Mac Book Pro that I ordered today?

iMac, OS X 10.10

Posted on Oct 21, 2021 10:43 AM

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User profile for user: rkaufmann87
rkaufmann87
User level: Level 10
143,688 points

Posted on Oct 21, 2021 10:48 AM

No you cannot use your 2008 iMac as an external display. Please refer to Use your iMac as a display with target display mode - Apple Support . If you need an external display for the new MBP, please buy one, they begin at under $100 and are simple to setup and use.

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User profile for user: den.thed
den.thed
User level: Level 10
82,114 points

Oct 21, 2021 10:53 AM in response to AndrewWilk

Nope' not using a wired connection because neither of those Mac's support Target Display Mode.

see > https://support.apple.com/en-us/HT204592


You can only use macOS Screen Sharing or a third party app like Luna Display.

see > https://support.apple.com/guide/mac-help/share-the-screen-of-another-mac-mh14066/mac

or > https://astropad.com/luna-display-modes/

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Using an early 24" iMac as a 2nd screen?

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