IMac is starting with only 2 cpus
Hello,
Two weeks ago my iMac started restarting by itself. It couldn't start the OSX, but restarting just before the login screen. I was investigating this issue for a whole day until I found that if I set boot arguments to CPU=1 it starts just fine.
Today, I decided to try if it'll fail if I choose more than 1 cpu and so it started well with 2, but it wont with 4.
Does it mean 1 or 2 of my processor cores are dead? Is it even possible to have dead cores in a processor or it seems to be a configuration issue?
P.S.: My CPU is 2,7 GHz Intel Core i5 on Mid 2011 iMac
Thank you!
Okay, so I just tried and it seems that I can start 3 cores:
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iMac - model: iMac14,3
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8 GB RAM
Video Information:
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Macintosh HD (disk0s2) / [Startup]: 999.35 GB (969.11 GB free)
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[loaded] com.adobe.AdobeCreativeCloud.plist Support
[running] com.wacom.wacomtablet.plist Support
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Flash Player: Version: 13.0.0.214 - SDK 10.6 Support
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