MacBook Pro :: Same Sound Setting Cannot Be Maintained After Each Reboot
Apr 13, 2012
I admit that the question is not really clear. But here is the list of events:Â
1) Nov 2010: my MacBook Pro 13-inch on OS 10.6.8 from mid-2010 (2.66GHz core2 duo with 8G RAM) did not wake up from sleep when clamshell was opened. I called Apple Care and did SMC reset and the matter seemed to be resolved.Â
2) Jan 03 2012: Same issue happened. Same call to Apple and same SMC reset. Matter seemed resolved.Â
3) April 10 2012: Same issue happened. Apple Care recommented OS reinstallation.Â
4) April 12 2012: Performed Mac OS 10.6 reinstallation using the factory disc. No hiccups during installation. Performed software update afterwards (update package 10.6.8 combo v1.1) . No problems detected. Performed permission repair (disk utility). Then rebooted the computer. Here is the problem: Upon rebooting the computer, the sound volume setting was on low (1/4 of the max). I switched it to max. I rebooted the computer to reset PRAM.
Upon reboot, the sound volume was still on low (1/4 of max). I called Apple care, deleted the 2 plist files in library/preferences/audio, switched the volume to maximum and then rebooted the mac. Upon reboot, the sound volume remained on low setting (1/4 of max).Â
5) I did another OS reinstallation and software update. Same thing all over.Â
Info:
MacBook 3rd generation, Mac OS X (10.6.6)
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May 4, 2012
Using my Mac earlier today I lost all sound output, and attempted to reboot it to try and fix the problem. Now instead of booting it's stuck on the white loading screen. I've tried turning it off and on again from here, but I still get the same result.
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MacBook
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Info:
MacBook Pro (13-inch Late 2011), Mac OS X (10.7.3)
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Info:
MacBook Pro, Mac OS X (10.7.3)
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Info:
MacBook Pro, Mac OS X (10.7.3)
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MacBook Pro (15-inch, Mid 2012), Mac OS X (10.7.4)
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Where can I download it from? Or what else to do?
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