Solution: Unplug the mac pro from the AC supply; Wait one minute for system controller to reset; Plug back in All the normal buttons will work, the right and left and the middle Wheel button along with the wheel. Have brand new Mac pro with the touch bar. You may notice some difficulties in working with the mouse on the screen and sometimes you may find it … Left click stopped working entirely. Topher Kessler July 22, 2013 12:55 p.m. PT They had no clue as to the cause of my problem. A Mouse is a Mouse. Modern Macs support nearly all USB and Bluetooth devices, so finding a compatible mouse shouldn't be a problem. Support will be highly appriciated Using a Third-Party Mouse on Mac. Read this post, restarted, then let … If that’s the case, third-party mouse management applications like SteerMouse can assign extra buttons to keystrokes and take the place of software that’s not Mac-compatible. If the USB ports not working on your MacBook Pro or iMac is a recent issue and there doesn’t seem to be any problem with USB devices, it could be that an app is conflicting with USB functionality. Problem is in MAC OS not In any PCx86 and Windows. Magic Mouse 2, Magic Keyboard, Magic Keyboard with Numeric Keypad and Magic Trackpad 2 have built-in rechargeable batteries. Tried restarting alone, but nothing. If a Mac computer does not recognize the mouse, first rule out any physical problems. If it has other side button or other special features then you might need the manufacturers software for those to function correctly. Left mouse click of usb and BT mice did not work with 2011 iMac. I have this problem with an Apple magic mouse (bluetooth) and a generic-ish USB keyboard connected to a 12/24 core "cheesegrater" mac pro under 10.12.6: Reboot after ten days or so, then there's no mouse pointer, no keyboard. Not only didn’t work on built in track pad but when Bluetooth mouse plugged in, left click did not work. Other times the mouse needs to be replaced. After reading the posts here I started looking for BT interference. If your mouse cursor disappears or freezes but the system is still responsive, then you can likely remedy the situation without hard-resetting your Mac. If you’ve downloaded an app from an unknown source there is the potential for it to contain malware, which could also be the cause of the problem. If the manufacturer’s configuration software doesn’t run on macOS, the Mac will detect the mouse as a pointing device, and extra buttons might not work properly. Even if the device is sold and marketed for Windows, the chance that it won't work on your Mac is virtually zero, at least as far as basic features go: cursor tracking, button clicking, wheel scrolling. Most of the time these involve a USB mouse plugged into a bad USB port or a wireless mouse running out of batteries. 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