Mac Left Shift Key Not Working

Are y'all having an effect with your Mac keyboard? Keyboard issues are common and you can set up most of these issues by using some standard fixes.

Unless your keyboard is physically damaged, yous should be able to ready your Mac keyboard with one of the following methods.

Reboot Your Mac

Information technology's possible a small macOS glitch is causing your keyboard not to work. In this case, reboot your Mac and see if that fixes your keyboard.

1. Select the Apple logo at the top-left corner of your screen.
2. Choose Restart from the menu.

3. Select Restart in the prompt that appears on your screen.

4. When the Mac boots support, see if your keyboard works.

Plough On the Keyboard

If you're using an external keyboard with your Mac, make sure the keyboard is turned on before y'all endeavour to utilize it. Many external keyboards take a power switch that must be enabled to apply the keyboard.

Once you do this, your Mac should recognize your keyboard and y'all should be able to start using the keyboard with your Mac.

Employ Another Keyboard

Another possible reason your keyboard isn't working with your Mac is that at that place's an outcome with the keyboard itself. To verify if this is indeed the case, use another keyboard with your Mac and see if it works.

If the other keyboard works only fine, at that place's likely an issue with your first keyboard. You either demand to fix that keyboard or replace it with a new i.

Clean the Keyboard

To ensure an optimal typing experience, your keyboard should be costless from any grit or such other elements. These elements can cause your entire keyboard or sure keys not to office.

Use a soft, dirt-free material to clean your keyboard. Brand sure you do this gently without putting too much force per unit area on the keys.

Disable Mouse Keys

In macOS, there is a feature called Mouse Keys that allows you to control your Mac's pointer using your keyboard. It's worth toggling this feature off, if it'south enabled, to potentially fix your Mac keyboard.

1. Select the Apple logo at the height-left corner and choose System Preferences.

2. In System Preferences, select the Accessibility selection.

3. On the post-obit screen, from the left sidebar, select Pointer Control.

4. Select the Alternative Control Methods tab on the right pane.
5. Deactivate the Enable Mouse Keys option.

Disable Slow Keys

macOS offers a feature called Slow Keys to let y'all to define the fourth dimension interval between when a fundamental is pressed and when a primal is actually registered on the Mac.

If this feature is enabled, turn information technology off and see if this fixes your Mac keyboard bug.

1. Select the Apple logo at the top-left corner and cull System Preferences.
2. In System Preferences, go to Accessibility > Keyboard.
3. In the pane on the right, disable the Enable Dull Keys option.

Turn Bluetooth Off and On

If you apply a Bluetooth-enabled keyboard, try turning Bluetooth off and then back on to come across if this helps found a proper connection between your keyboard and your Mac.

1. Select the Bluetooth icon in the bill of fare bar of your Mac.
2. Plough the Bluetooth toggle to the off position.

3. Wait for about ten seconds, so plough Bluetooth back on.

Unpair and Re-Pair the Keyboard

If yours is a wireless keyboard, consider unpairing and re-pairing it with your Mac. This eliminates whatsoever issues that might occur due to an improper pairing process.

1. Open System Preferences and select Bluetooth.

2. Right-click your keyboard in the devices listing and choose Remove.

3. Select Remove in the prompt.

4. Plough your keyboard off and then turn it dorsum on.
5. Get to your Mac's Bluetooth settings panel and select your keyboard to pair with it. The exact instructions on how to do this should be available in your keyboard'south transmission.

Uninstall Recently Installed Apps

Your Mac apps tin cause issues with your hardware devices, including keyboards. If your keyboard has stopped working after you installed an app on your Mac, remove that app and see if this fixes your Mac keyboard.

1. Open a Finder window and select Applications in the left sidebar.

2. Find the app you lot've recently installed.
3. Right-click the app and select Move to Bin.

4. Your app is now removed.

Update macOS

Older macOS versions oft cause various issues, including with your keyboard. Therefore, consider updating your macOS version to potentially fix any issues you're experiencing on your Mac.

Apple makes it piece of cake to update its Mac devices, and the following is how you do that:

1. Select the Apple logo at the top-left corner and choose About This Mac.

2. In the small window that opens, select the Overview tab.
3. Select the Software Update button to detect and install macOS updates.

Reset Mac'southward SMC

Mac's Organisation Management Controller (SMC) is responsible for decision-making various power options. When you experience an issue with a hardware device on your Mac, consider resetting the SMC.

Resetting the SMC doesn't delete your Mac's information and it's totally safe to do this. You can reset the SMC on both desktop and laptop Mac devices.

To reset the SMC on a desktop Mac:

1. Power off the Mac.
2. Unplug the Mac from the power source.
3. Expect for near fifteen seconds.
4. Plug the Mac dorsum into the power source.
5. Wait for about five seconds.
6. Press the Power button on the Mac to turn the Mac on.

To reset the SMC on a Mac with the T2 fleck :

1. Power down the Mac.
2. Printing and hold down the Control + Option + Shift keys for nearly vii seconds.
3. Press and agree downward the Ability key in improver to the keys you're holding down.
4. Go on the keys held down for about seven seconds, and then release them.
5. Look for near five seconds, and press the Ability push to turn on the Mac.

To reset the SMC on a Mac with a non-removable battery:

1. Plow off the Mac.
2. Printing and hold down the Command + Selection + Shift keys.
3. Press and hold down the Power push button primal in addition to the above keys.
4. Go on all the keys held down for nearly ten seconds.
5. Release all the keys and and so press the Ability push button to turn on the Mac.

To reset the SMC on a Mac with a removable battery:

1. Plow off the Mac.
2. Pull the battery out of the Mac.
3. Press and hold down the Power push button for about five seconds.
4. Put the battery back into the Mac.
5. Turn on the Mac by pressing the Power button.

And your Mac keyboard should at present be fixed and working as it should!

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Source: https://www.switchingtomac.com/tutorials/hardware/mac-keyboard-not-working-heres-how-to-fix-it/

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