If you find that your Photos library is showing blank thumbnails or otherwise acting oddly, see if the Photos Repair Library tool can fix it
It’s no fun to have to get your Mac repaired, but if that’s necessary, read our advice about steps to take beforehand to ensure the safety and security of your data.
If your Mac is acting up and you suspect a hardware malfunction, try running Apple Diagnostics to see if it identifies any issues. Instructions here:
Have a Recent Apple MacBook or MacBook Pro? Here’s What You Need to Know about the Butterfly Keyboard
If you have a MacBook, MacBook Air from 2018, or MacBook Pro from 2016 on, here’s what you need to know about the trouble-prone butterfly keyboards, including how to get Apple to repair a broken one for free.