How can a fix my macbook pro with a Panic Kernel "Unable to find a driver for this platform"?

After a required update, my computer shutdown and it has never start ups again! On the screen apears a msg saying
" Unable to fins deiver for this platform" \"ACPI"\ .\"@/Sourcecache/xnu/xnu-2050.20.9/iokit/Kernel/IOPLatformExpert.ccp:1548
Debugger called: <panic>
backtrace (CPU 0), Frame: Return Address ...

You've posted this in the iPad forum.

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