Preview displays some pages of pdf as black / with thumbnails blank; and some pages of pdf / thumbnails display as normal. is this a problem with the Preview App or the pdf file?
Mac mini, macOS 10.13
Safe Boot from the HD, (holding Shift key down at startup), does the problem occur in Safe Mode?
Safe mode attempts to repair Disks & clears lots of caches, so if Safe Mode works try again in regular boot.
Also try Adobe Reader DC...
Safe Boot from the HD, (holding Shift key down at startup), does the problem occur in Safe Mode?
Safe mode attempts to repair Disks & clears lots of caches, so if Safe Mode works try again in regular boot.
Also try Adobe Reader DC...
Did you get it fixed?
Preview displays some pages of pdf as black / with thumbnails blank, and some pages of pdf / thumbnails as normal
