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How to Use an iMac as an External Monitor
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Running Monterey on a 10 year old iMac. Open core is a life saver. 😠: r/MacOS
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iMac (Early 2009) | Low End Mac
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2009 iMac conversion to monitor - Help | MacRumors Forums
iMac "Core 2 Duo" 2.0 20" (Mid-2009) Specs (Mid-2009 (Edu), MC015LL/A, iMac9,1, A1224, 2266): EveryMac.com
Using a 27-inch 2009 iMac as External Mon… - Apple Community
iMac "Core 2 Duo" 3.06 27" (Late 2009) Specs (Late 2009, MB952LL/A, iMac10,1, A1312, 2309): EveryMac.com
iMac "Core 2 Duo" 3.06 21.5" (Late 2009) Specs (Late 2009, MB950LL/A*, iMac10,1, A1311, 2308): EveryMac.com
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