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panic(cpu 0 caller 0xffffff800064ba7b): "Unable to find driver for this platform: \"ACPI\"

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andrewfergus07 Level 1 Level 1 (0 points)
Currently Being Moderated
Jun 12, 2012 2:51 AM

I was recently installing updates on my MacBook Pro and during the installation process it came up with, "An unexpected error occurred, none of the updates were installed," and I was given the option of restarting my computer. I pressed restart and let it sit for a while, after approximately five minutes of nothing happening to restart the computer I turned it off at the power button. Upon turning it on again in the middle of the screen it came up with "You need to restart your computer. Hold down the Power Button until it turns off, then press the power button again. I've done this numerous times and I have encountered the same outcome each time. On the left hand side of the screen is as follows:

 

panic(cpu 0 caller 0xffffff800064ba7b): "Unable to find driver for this platform: \"ACPI'.\n"@/SourceCache/xnu/xnu-1699.26.8/iokit/Kernel/IOPlatformExpert.cpp:15 04

Debugger called: <panic>

Backtrace (CPU 0), Frame: Return Address

0xffffff8074fa3dd0 : 0xffffff8000220792

0xffffff8074fa3e50 : 0xffffff800064ba7b

0xffffff8074fa3e60 : 0xffffff800062937d

0xffffff8074fa3eb0 : 0xffffff8000629bae

0xffffff8074fa3f30 : 0xffffff8000629f29

0xffffff8074fa3f70 : 0xffffff8000628b0f

0xffffff8074fa3fb0 : 0xffffff8000820057

               can't perform kext scan: no kext summary

BSD process name corresponding current thread: Unknown

Boot args: -x

 

Mac OS version:

Not yet set

 

Kernel version:

Darwin Kernel Version 11.4.0: Mon Apr 9 19:32:15

Kernel UUID: A8ED611D-FBOF-3729-8392-E7A32C5E7D74

 

System uptime in nanoseconds: 109488583

 

 

 

Can somebody tell me what has happened as I have absolutely no idea what it is or how to fix it.

MacBook Pro (13-inch Early 2011), Mac OS X (10.7.4)
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