1. Try a different or external keyboard.
2. Turn off Filter/Sticky Keys.
3. Make sure language is correct in settings.
4. Uninstall and reinstall the keyboard driver.
The good news is there are solutions to fix the issue and get the Shift key working again.
We will assume that you’ve already tried to clean the keyboard of dust, food crumbs, or other debris that usually gets beneath the keys. It’s a good idea to clean the keyboard periodically with a damp soft cloth, or even with sanitary alcohol.
Don’t attempt to disassemble the keyboard as you may void the manufacturer’s warranty. So, let’s move on to more technical solutions.
Method 1. Try a different or external keyboard.
You can connect a different keyboard to your laptop and check if it fixes the Shift key not working problem.
Method 2. Turn off Filter/Sticky Keys.
Click Start and choose Settings.
Select Ease of Access.
Find Filter Keys.
Slide it let to turn it off.
To turn off Toggle or Sticky Keys on Windows 10, follow the same steps as above, but toggle the switch for Toggle and/or Sticky keys.
Don’t forget to check the functionality of the Shift key after each of these actions.
Method 3. Make sure language is correct in settings.
Press Windows key + I to open settings.
Click on Time & Language
Click on Language from the left menu.
Make sure , the language is correct. If it is not correct , just click on the language from the options given below and click on up arrow key to put it at the top.
If your correct language is not present in the list, click on add a preferred language to add your desired language.
Method 4. Uninstall and reinstall the keyboard driver.
Right-click Start and select Device Manager.
Search for Keyboards and click on it to expand the list.
Right-click on the Keyboard driver and Select Uninstall.
Go to the Acer driver website. Once you’re on the website, find and download the driver you need.