Q: I am unable to transfer photos onto a CD r

Hi,

You can use the Image Capture app in your Applications folder to scan photos to your Mac.

Mac Basics: Using a scanner - Apple Support

For the CD, open the Finder. From the Finder menu bar click Finder > Preferences then select the General tab then make sure CD's and DVD's is selected.

And check your settings in System Preferences > CD's and DVD's.

Do you want to create data CD/DVDs to store/archive photo images that can be read only by your computer or are trying to create a photo CD/DVD that you can view on your TV using a CD/DVD player?

For archiving photo/image data to disc.

Disk Utility 12.x: Create a disk image

What happens when you try to copy the files to the CD?

CD/DVD Drive - Troubleshooting See troubleshooting section.

CD/DVD Drive - Troubleshooting (2)