Corrupt drum scan previews- can they be fixed?

[Spider_Whistle]

Ok, so I’ve got a problem here that has been driving me crazy! I’m hoping someone might be able to help. I have numerous files from drum scanned film, and nearly half of them have corrupt previews. They are 16-bit tif files (some RGB some grayscale, ranging in size from 100mb to 1+gb), that came from a Howtek Hi-Resolve 8000 running on Mac OS9. The files open perfectly fine on either PC or Mac (I’m on PC), though no matter what I do they won’t display the preview in bridge, lightroom, or windows explorer. Some files display fine, others come up with weird and seemingly random patterns, others simply display the generic tif logo. I have no doubt that the problem lies with the drum scanner, or at the very least the ancient Mac running it, my only question is can they be fixed? I’ve tried switching the file type from tif to psd, as well as pasting the image into a new document, unfortunately neither made a difference.

Any tips or suggestions?


Thanks!