My shift keys are suddenly not working

Hi PianSa. I'm Greg, an installation specialist and 8 year Windows MVP, here to help you.

Go into Device Manager reached by right clicking the Start button, choose the Keyboard device, right click to Uninstall, restart PC using mouse to reinstall driver.

If that fails then from Driver tab choose Update Driver, then Automatic. If that fails then choose Update driver again, then Browse PC, then Let Me Pick, try previous drivers.

If that's not enough then run the Keyboard Troubleshooter at Settings > Update & Security > Troubleshoot.

Do the other keys on your keyboard work fine? — Try to press any other key on your keyboard to see if it works.

If the other keys work fine, then try to turn off the Sticky Keys feature on your Windows via the Solution 1.

If the other keys stop working either, check the next question:

Does your keyboard work via another USB port or computer? — Try to connect your keyboard with another USB port, or plug it into another computer to see if your keyboard works.

If your keyboard works with another USB port, then the problem is on the USB port. You can use your keyboard with the working USB port then.

Turn off the Sticky Keys feature on your Windows

The Sticky Keys feature, besides, Toggle Keys and Filter Keys, make your keyboard easier to type. However, sometimes they make trouble. Your Shift key stops working is the one. So make sure these features are not turned on.

Follow these:

1. On your keyboard, press the Windows logo key and I (at the same time) to invoke the Settings window.
2. Click Ease of Access.
3. Select Keyboard on the left pane. Then make sure the status of Sticky Keys, Toggle Keys and Filter Keys are all set to Off. If there is any one set to On, switch it to Off instead.
4. Press the Shift key on your keyboard to see if it work.

I hope this helps. Feel free to ask back any questions and let us know how it goes. I will keep working with you until it's resolved.

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Thanks for the prompt reply.

Well, I’ve actually tried this troubleshooting fix I read, accessible to the windows search bar.  And I thought it would do the fix as it detected a problem.  But then I was wrong.  And I tried troubleshooting the more specific keyboard device but no luck.

So about what you said about uninstalling the keyboard device, so then the option would still be there when reinstalling it just to be sure.

Well, I’ve actually tried checking and understanding the feature of the ‘sticky key’ and I believe this problem to be a consequence of that.

So yes, all of them are off including the sticky keys which I joggle and test if my shift key would work.

About your question with the keyboard, it’s actually a laptop so I couldn’t test it via USB.

My other keys are working just fine.

Again, thanks for the prompt reply.

I actually just realized that the keyboard needs to be further expanded, and so I was able to uninstall it and reinstall upon reset, and unfortunately the shift key remains not functioning.

Oh well, I’m getting used to this online keyboard though.  Hehe.

I visited the device manager and right-clicked the keyboard, but then there was no option to uninstall, but only to scan for hardware changes, and the other choice would be properties.

I guess it’s because this is a laptop, right?

Go into Device Manager, choose Keyboard, then Driver tab, choose Uninstall button, restart PC to reinstall.