Photos app thumbnails not loading Mac OS 10.12 beta 2

Discussion in 'macOS Sierra (10.12)' started by Alhagar, Jul 7, 2016.

  1. Alhagar macrumors regular

    Apr 19, 2015
    intalled Mac OS 10.12 beta 2 and photo app thumbnails not loading. Has been 16 hours since I installed it and only 20% of thumbnails (In a library of 15 k photos) have loaded.

    When I try to repair the library I get a message saying that the library cannot be opened.

    Have not had this issue on2 other Macs with Beta 2 installed.

    Any ideas?
  2. Alhagar thread starter macrumors regular

    Apr 19, 2015
    Turning off iCloud Photo Library, restarting machine, and turning iCloud Photo Library back on solved the problem.
  3. mixel macrumors 68000


    Jan 12, 2006
    Leeds, UK
    Do you have iCloud Photo Library enabled? I noticed in the instruction pages that if you repair the library it will re-upload the entire thing! Is that still happening when you look in Photos Preferences? as it might prioritise that over generating new thumbnails.

    If you view a photo fully does it generate the thumbnail for that pic? I reverted to el cap from beta 1 due to weirdnesses with Photos syncing. Im backing up before trying The public beta now..

    Edit: I see you solved it, cool. :)

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