Image does not display in 'Develop' tab - how to resolve?

I’m not really familiar with MacOS, but what happened if you try to uncheck the GPU support in the preferences?

Check also your monitor profile:

How do I change my monitor profile to check whether it’s corrupted? | The Lightroom Queen

You’ve wrote you reinstall Lightroom. Do you have make a clean reinstall? If no, please follow the steps below:

• Backup all personal data, like templates, presets, catalog(s) etc.
• Uninstall everything cc including preferences,    https://helpx.adobe.com/creative-cloud/help/uninstall-remove-app.html
• Uninstall the cc desktop app,    https://helpx.adobe.com/creative-cloud/help/uninstall-creative-cloud-desktop-app.html
• Clean your computer of CC files per   http://www.adobe.com/support/contact/cscleanertool.html
• Restart your computer (don't skip this)
• Reinstall the CC desktop app,    https://www.adobe.com/creativecloud/desktop-app.html
• Use the desktop app to install your cc programs/trials
  If you like install older versions of apps see here: Install previous versions of Creative Cloud apps
• Restore your personal data.

If you're unable to install the cc desktop app at this stage, use an administrator account (solution 4 here,    https://helpx.adobe.com/creative-cloud/kb/creative-cloud-missing-damaged.html)

If this all doesn’t help we need more informations about your system. Please provide a copy of your 'System Info'. This can be get from the Lightroom menu item Help > System Info. There's a copy button in the System Info dialog. Press this button and paste the info into a text file and attach it to your next forum post.