Magic Mouse Scrolling issue
New Magic Mouse MXK53AM/A will not scroll with iMac 21.5" 2017 running Ventura
13.7.4 (22H420).
iMac 21.5″, macOS 13.7
Question marked as
It isn't compatible with Ventura.
See the following from Magic Mouse (USB‑C) - White Multi-Touch Surface - Apple
System Requirements
Mac with macOS 15.1 or later
iPad with iPadOS 18.1 or later
Also, unfortunately a 2017 iMac cannot be upgraded beyond Ventura. See the following from Identify your iMac model - Apple Support
iMac (Retina 4K, 21.5-inch, 2017)
Model Identifier: iMac18,2
Part Numbers: MNDY2xx/A, MNE02xx/A
Newest compatible operating system: macOS Ventura
iMac (21.5-inch, 2017)
Model Identifier: iMac18,1
Part Numbers: MMQA2xx/A, MHK03xx/A
Newest compatible operating system: macOS Ventura