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FatGuy · 04-15-2015, 10:02 PM

On my Mac Mini running Yosemite 'Disk Utility' is telling me that the Mac's internal HDD is faulty and needs to be replaced and that's fine because I'll buy a new HDD, BUT I need to copy off some important .PDF files from the Mac's internal HDD and I've been doing this using a new external USB HDD, but I was just reading that when a Mac's internal HDD becomes faulty it's very likely that the files on it are corrupted.

I'm VERY worried that my .PDF files(which are ebooks) have been corrupted and that when I try to read them the .PDF files will be altered in such a way that I get the completely wrong impression and the wrong understanding from the .PDF files. What can I do to check that the .PDF files haven't been altered?

Thank you for any help!

04-15-2015, 10:02 PM	#1
FatGuy Groupie Posts: 158 Karma: 1804362 Join Date: Nov 2014 Device: iPad Mini 3	Urgent Help Needed: Corrupted files! On my Mac Mini running Yosemite 'Disk Utility' is telling me that the Mac's internal HDD is faulty and needs to be replaced and that's fine because I'll buy a new HDD, BUT I need to copy off some important .PDF files from the Mac's internal HDD and I've been doing this using a new external USB HDD, but I was just reading that when a Mac's internal HDD becomes faulty it's very likely that the files on it are corrupted. I'm VERY worried that my .PDF files(which are ebooks) have been corrupted and that when I try to read them the .PDF files will be altered in such a way that I get the completely wrong impression and the wrong understanding from the .PDF files. What can I do to check that the .PDF files haven't been altered? Thank you for any help!