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After installing the El Capitan GM, the forward/back buttons (side buttons, 4 & 5) on my Microsoft Wireless Mouse 5000 are only registering as left mouse buttons. The most recent driver, Microsoft Mouse 8.2 is installed and shows up in the System Preferences, but appears to not be functioning. MicrosoftMouseHelper is in the login items. Suggestions?
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Am on macos sierra 10.12.1 running on 2011 iMac 27".
After os upgrade, my intellipoint mouse lost buttons 4 and 5 functionality.
The csrutil disable in safe boot method worked for me but after restart I had to unplug usb mouse and plug it back in the computer usb port and no the keyboard usb port.
Now buttons 4 and 5 are back as before.
