I used the migration assistant but my iPhoto library doesn't seem to have been transferred. Also, when I try to open the iPhoto app, and hit "Get started.", it says, "Photos cannot find the System Photo Library named “Photos Library. Any advice?
MacBook Air 13″, macOS 10.15
I suspect that you are transitioning from iPhoto to Photos. Launch Photos with the option key held down. From the resulting dialog, choose you iPhoto Library. Photos will create a new library using your iPhoto media. Your iPhoto Library will not be changed.
You can connect the two computers via Ethernet and copy the library from one Mac to the Other. Or connect them via Target Disk Mode and copy.
Trouble transferring iPhoto library to new Mac
