Why is the app unable to connect to iScreenBar?

05-08-2026

If you are experiencing issues connecting the app to iScreenBar, please check the following:

Is iScreenBar connected directly to the iMac's USB-C port?
Are you using a USB hub or extension cable? Using a USB hub or extension cable may cause unstable power or data transmission, which can prevent the app from connecting properly. iScreenBar communicates with the iMac through a direct USB-C connection. If iScreenBar is connected to an external power adapter or another power source instead of directly to the iMac, data transmission will not be possible and the app's functions will not be available.

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