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You are here: MacNN Forums > Hardware - Troubleshooting and Discussion > Mac Notebooks > Power problem with external display

Power problem with external display
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KCGramm
Fresh-Faced Recruit
Join Date: Dec 2011
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Dec 11, 2011, 09:22 PM
 
I use a 2010 Macbook Pro with 10.6.8 and connect it to an external monitor.
Recently, when I pull out the magsafe power connection on the macbook, the monitor turns off. It never used to do this. Any ideas? Maybe my power connection has a problem?
     
SierraDragon
Mac Elite
Join Date: Mar 2004
Location: Truckee, CA
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Dec 12, 2011, 09:48 AM
 
I would first suspect battery strength and/or System Preferences/Energy Saver settings.

-Allen
     
Waragainstsleep
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Join Date: Mar 2004
Location: UK
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Dec 12, 2011, 01:44 PM
 
Is it switching GPU when you go from mains to battery? Does the display work when you connect it up without the magsafe already connected?
MacBook 2.0GHz CD; MacBook Pro 15" 2.4GHz Late '08; PowerMac G4 MDD Dual 1GHz; 3x Xserve G4 1GHz; Mac Mini 2GHz; Big pile of broken and working bits;
     
   
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