You can make a difference in the Apple Support Community!
When you sign up with your Apple Account, you can provide valuable feedback to other community members by upvoting helpful replies and User Tips.
When you sign up with your Apple Account, you can provide valuable feedback to other community members by upvoting helpful replies and User Tips.
Every since I upgraded to OS MAC Catalina (Dec 2019) I can no longer find or access my usb ports when I plug my SD card or External HD or iPhone into my iMac. So now I have tons of music and photos that I can no longer transfer between devices! Ughh very frustrating. Please help!!!
Try resetting the SMC.
How to reset the System Management Controller (SMC) on your Mac - Apple Support
Try resetting the SMC.
How to reset the System Management Controller (SMC) on your Mac - Apple Support
If your Firewire or USB isn't recognizing any device. A solution is to simply to follow these four steps to reset the Firewire/USB bus:
1. Shut the machine down.
2. UNPLUG the power lead to the computer and any firewire/USB drive or devices.
3. leave it for 10 minutes.
4. Connect back up and reboot.
USB Port Not Working
