I have MacBook Pro (Retina, 13-inch, Early 2015). Since yesterday I have been unable to drag windows, select text, or use the right corner click to open the context menu using the built in trackpad. Any idea what could cause this?

  • Can you test with an external trackpad or mouse? – D A Vincent May 29 '15 at 9:10
  • External mouse works – Andreas Köberle May 29 '15 at 9:11
  • What is connected to the computer? Can you test with everything unplugged? (power, usb, monitors, etc.) This article may be a help: support.apple.com/en-au/HT203146. – D A Vincent May 29 '15 at 9:19
  • I dont think its that problem, cause the trackpad is responsive, only the clicking does not work anymore. – Andreas Köberle May 29 '15 at 9:31

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