Numbers of wired keyboard has stopped working

I have a keyboard attached to a wired Macbook Pro Apple. The keyboard worked fine for a year apart from the occasional glitch when it stops working, I add an extension of cable and it starts working again.  However, all of a sudden the numbers on the keyboard at the top of the keyboard have stopped working (but - and = work). the keyboard on the right continue stop work very well.  I think the function keys work always.  Someone at - it ideas?  It's driving me crazy! Tried to restart and don't Scream - no luck so far.

Hello Lloyd C from the United Kingdom.

If I understand you right, the numbers on the wired Apple keyboard that you have connected to your MacBook Pro stopped working. We know that it's never ideal to have a device that does not work as expected, we are happy to help you get the keyboard to work again.

The first thing I would recommend, first and foremost, is to update your Mac if there are updates available for the version of Mac OS X, you're running. Follow the steps in the article to support below if you are not familiar with how to update. For the purposes of troubleshooting, whenever you test your keyboard after you follow the steps that we provide, make sure that it is while the keyboard is connected directly to the USB port built-in on your MacBook and not connected to a USB hub. In addition, disconnect all other devices you have plugged into your Mac, besides than the charging cable under test.

Update the software on your Mac

If the problem persists after the update, the next step would be to reset the system management controller (SMC). The MSC is a part inside your MacBook, who helps run various physical parts of your computer, and resetting can sometimes help the problems associated with the keyboard and USB functions. The support article below contains the steps on how to reset the SMC.

Reset the management system (SCM) controller on your Mac.

Test the keyboard after that the MSC has been reset. If the problem persists, follow the steps in the "Steps to a USB keyboard" section in the following article:

If your USB keyboard or wireless does not work

Remember that it's always a possibility that the issue could be with the keyboard itself. If you continue to have problems with certain keys, try to connect the keyboard to a different Mac, if you manage to and see if you experience the same problems.

Thank you for using communities of Apple Support.

Take care!

Tags: Notebooks

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