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my imac does not boot up

164 Views 5 Replies Latest reply: Aug 8, 2012 4:56 AM by Xelayul RSS
Xelayul Level 1 Level 1 (0 points)
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Aug 6, 2012 8:32 PM

My iMac is 27inch i5 quad core with 8 gb of ram. I upgrade it with mountain lion and it took a long time to complete the process. I power down the mac. I power it back and this time the screen is gray for a long period. It look like it hang up or refuse to boot up. I notice the top of the screen is extremely hot. I am afraid it may do damge if I let it run over night. I manually power down the mac. Any of you iMac user have experience this kind of issue?

iMac, Mac OS X (10.7.4)


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