The Apple Support Community will permanently close on November 20, 2026. Starting today, the site will no longer accept new posts and is available in a read-only state.
You can continue to find trusted guidance and support on the official Apple Support site.
We want to thank the community members who have contributed their time and expertise to help others with their Apple products.
The Apple Support Community will permanently close on November 20, 2026. Starting today, the site will no longer accept new posts and is available in a read-only state.
You can continue to find trusted guidance and support on the official Apple Support site.
We want to thank the community members who have contributed their time and expertise to help others with their Apple products.
I have Apple Thunderbolt Display and keyboard. Mysteriously lost ability to use F1 and F2 to change brightness. Running on late Mini-12 with macOS Catalina 10.15.
any pointers?
iMac Line (2012 and Later)
bizarre
keyboard control issue cleared with Restart. Alls well
resolved
Magic keyboard no longer adjusts brightness
