In addition, I've also tried another user with admin rights and moved some of affected documents to Users/Shared, but without any progress I've also tried everything from similar threads:įinder preview thumbnail not displaying (… - Apple Community Removed apps from launching when booting up Mac, problem persists I have put my computer in safe mode, problem persists The main user on my computer has permission to read and write I have created a Test user and downloaded an image- the thumbnail WORKS in the test user I have tried deleting several times, problem persistsįinder's "show icon preview" is on I have tried unchecking and re-checking the box, problem persists I have tried everything from the list below: I have a iMac 27", 2017, running on the latest Mojave (10.14.6) –Įverything was moved on this iMac from Time Machine backup. I'm experiencing another case of a situation, the thumbnails for documents (images, pdfs, etc.) are no longer showing, and the display is a universal generic icon. This applies to macOS 10.14 Mojave and above.Ħ - Once that is done > backup out of Disk Utilities and choose install macOS.ħ - Follow the prompts and it may automatically reboot several time.Ĩ - Upon a final reboot - Setup Assist will present with the newer version of macOS.įinder preview – just universal thumbnail (for JPG, PNG, PDF, etc) Hi all, ![]() Example : Bootable Installer of Ventura would have to be done on a computer that Qualifies to run Ventura.ġ - Shutdown computer and disconnect all external drive Except the newly created Bootable Installer.Ģ- Restart and immediately hold the OPTION key until the Startup Manager appears and choose the USB Drive.ģ - It will present options > Disk Utilities > View > View ALL attached Drives.Ĥ - Choose the Upper Most Drive ( not the volumes indented and list below ).ĥ - The drive normally is called Apple Media or Apple SSD - that is the drive to Erase and format as APFS with the GUID Partition Map. ![]() This will have to be performed from a Qualifying Computer to run the version of macOS to be made on the Bootable Installer. The Bootable Installer can Only be performed on an Apple Computer To perform this action will require booting from a Bootable Installer. ![]() This method will WIPE ALL Data and there is No DATA Recovery - Period. Hate to say this, but must agree with a previous suggestion regarding Starting Over from ScratchĪ possible way to achieve this is as per below
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