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Trackpad not working after macOS High Sierra upgrade

I get a message "there is no magic trackpad connected" for my trackpad. This started happening after I updated my iMac (21.5-inch, Mid 2011) to macOS High Sierra. It was working fine until the upgrade. Is this a glitch in the new macOS? How can I fix it? Please help!

iMac (21.5-inch Mid 2011), Mac OS X (10.7.3)

Posted on Oct 31, 2017 1:09 PM

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Trackpad not working after macOS High Sierra upgrade

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