OS 10.5.8 imac
Suddenly my primary button on my mouse will only scroll up.
It was okay this morning.
I checked system prefs and the scrolling is set at vertical only. What has happened? Could it be a defective mouse?

jaybass

Last edited by dianne; 02/08/10 11:38 PM. Reason: moved from "Mac Desktops & Notebooks" to the "Peripherials" forum.
OS 13.6.6 iMac (Retina 5K, 27", 2017, 3.4 GHz Intel Core i5, 24 GB RAM, 2400 MHz DDR4. SuperDuper. 1 TB Lacie HD