iPhone not recognize anymore.

[1lee1life1]

My iPhone can't be synced from the music app when booting up from an Sandisk external ssd. It does not show up in the sidebar of the app or finder window.

 

[arw]

Please provide at least some basics to ease the troubleshoot:
What kind of Mac model? How is the SSD connected?
Is the iPhone connected directly or via a hub? Does the iPhone indicate a connected cable?

 

[1lee1life1]

Thanks "arw" and please forgive the lack of info.
Mac mini late 2014.
Sandisk SSD directly connected to the Mac.
I tried connecting the iPhone directly to the Mac as well as via a usb hub.
Mac OS 11.6 Big Sur
iOS 15.5

Thanks for any advice anyone has.

 

[arw]

• Have you installed the latest "Device Support Update" which might be necessary to access iOS 15.5 devices? It should be listed under "Other updates" in "Software Update".
• How is the SSD connected - via Thunderbolt or USB?
• Does the iPhone indicate a connected cable?
• Does it work when booting from the internal disk? What OS are you running there?

 

[1lee1life1]

•All updated
•SSD connected to USB
•System Info indicate iPhone is connected
•No problem when booting up from internal disk.
•Internal disk is Mac OS Big Sur (11.6)

 

[arw]

Ok, weird...

All updated

But you know, 11.6.6 is the latest release?

System Info indicate iPhone is connected

What about the iPhone? Does it show the charging icon?

The last thing I can think of for now is the following:

• Disconnect the device from your Mac
• Open "Terminal"
• Enter "killall AMPDevicesAgent" in the Terminal window, and press return.
• Connect the Apple device back to your Mac.

edit: Did you check, that in Finder's settings "CDs, DVDs and iOS Devices" is checked? (Finder > Preferences from the Finder menu bar, then click Sidebar)

 

[1lee1life1]

Yes macOS 11.6.6
Finder preferences are fine

I will try the terminal command and see how it goes.
Thanks