Blank MacBook Pro Displays It appears that some using mid-2007 MacBook Pro notebooks and have updated to the latest EFI firmware are having issues with displays becoming unusable. According to a growing discussion on Apple’s support forums, users report that although their MacBook Pro is completely functional but the main computer screen refuses to display an image. Some have found a way to reverse the update and this has solved the problem for most, no official word from Apple as of writing
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