'Use as system photo library' blanked out

Hi Tony, Thank you for helping. It is a new MacBook Pro and I'm still finding my way around. I think my expectation was that it would be the same as my iPad, & iPhone. I think I've just found my library, although I think I may have changed something while trying to sort is out.

Is iCloud enabled in the icloud preferences?

Yes

Is your mac account signed into the same apple ID as your iCloud account?

Yes, although as it is a shared MacBook, I do have a sign in password.

What does the sync status say at the bottom of the all photos view?

It is currently uploading, I presume to the iCloud.

Where is your library stored? If on an external drive, what is the format?

Its stored in the iCloud

How much free space is on your system drive (and the drive the library is stored on if different)?

Plenty of storage space both on MacBook and iCloud. My hobby is photography.

Can I ask you whether you know if it makes a difference what format the photographs are? Raw or JPeg

Thank you again.

Thank you Tony. Yes, I did leave it plugged in and it has now downloaded all of my photos, including the ones that I had imported to the Mac from my camera. The photos that I’ve edited on the Mac and added to a specific album though are not showing up in the same album on my iPad or phone. I had the Mac specifically because I wanted it for my photography and the resolution of the display. I can’t, however, then upload those photos to Social Media. I’ve tried drag and drop but that doesn’t appear to work. I think I solve one problem, to create two more! Thank you again.

Thank you Tony. You’ve been exceptionally helpful. Thank you again. I’ll give that a go.