- Press the Windows key on your PC keyboard to open the Start Menu.
- Click on the Power icon menu located at the bottom of the screen.
- From the context menu, click on the “Restart” option.

4. As soon as you click on it, your PC will automatically turn off and turn back on.
2. Run the Keyboard Troubleshooter
Another effective method you can try out is to run the keyboard troubleshooter. As you may know, Windows comes with the built-in troubleshooting option that includes both hardware and software. If there’s anything wrong with the hardware or you’re unable to identify then you can run the hardware troubleshooter instead.
This will scan your computer for potential keyboard problems and suggest you with possible solutions or even fix the issue by itself. Therefore, if the Caps Lock light is not working then you should run hardware troubleshooting on your computer. Here’s how to do it.
- Press Windows + R key together on the keyboard to open the Run dialog box.
- Type “cmd” in the field section and press the Ctrl + Shift + Enter key on the keyboard at the same time.

3. Under the User Account Control (UAC) window, click Yes to proceed further. This will open an elevated Command Prompt.
4. Type the below command and then hit Enter to execute it.
msdt.exe -id DeviceDiagnostic

5. Click the Next button and follow the on-screen prompts to complete the keyboard troubleshooting process.

3. Enable Alert Sound for Caps Lock
Did you know that the Caps Lock key makes a sound when you press it each time on the keyboard? You heard right! When you press the Caps Lock key to type the word either to uppercase or lowercase, it makes a unique sound on each where you can easily identify whether you have switched to uppercase or lowercase. If the Caps Lock light is not working then you can enable alert sound for Caps Lock.
Enabling the alert sound for Caps Lock will allow you identify whether you’ve switched to upper case or lower case. Each time the keyboard makes a different notification for Caps Lock key. Therefore, if the keyboard light is malfunctioned then this feature will save you from trouble. Here’s how you can enable alert sound for Caps Lock from the accessibility menu:
- Press Windows + I key together on the keyboard to open Settings.
- Click on Accessibility and choose Keyboard option on the right side.

3. Under the keyboard section, enable the toggle next to “Toggle keys.”

Now you have enabled the sound for Caps Lock on your computer. Make sure to turn on the sound and the volume level has set to top on your computer in order to hear the alerts when you press the Caps Lock key. You will hear a loud ping when you enable the Caps Lock key, and disabling the Caps Lock key makes a flat alert tone instead of louder tone.
4. Update or Reinstall Keyboard Driver
You know very well what the system driver is? Well, the drivers are a crucial component that communicates between the hardware and the operating system. It is necessary to have the latest and up to date driver to get access the individual programs effortlessly. If the Caps Lock light is not working on the keyboard then it could be due to an older or corrupted keyboard driver version.
An outdated or corrupted driver version can cause multiple issues on the system which results in Caps Lock light not working and even functioning correctly. For that case, it is suggested you update or reinstall the keyboard driver on your computer. This will help you in fixing the issue regarding the Caps Lock light not working.
Here’s how you can check keyboard driver update on your Windows 11 PC:
- Navigate to the Search Bar by clicking on the Windows icon on the taskbar.
- In the search bar menu, type in “Device Manager” and click Open.

3. Expand the keyboard category by clicking on the arrow next to it.
4. Then, right-click on the driver and choose “Update driver.”

5. Next, click on “Search automatically for drivers” option.

6. The computer will check for updates by itself and download it if any update is available.
If you can’t find any update for the keyboard driver, then you should consider uninstalling and reinstalling the driver. You can uninstall the driver directly from the Device Manager window. Once you remove the driver, restart your computer. This will install the latest driver.
Alternatively, you can visit your computer’s manufacturer to download the keyboard driver. On the manufacturer’s website, you’ll find an option to download the keyboard driver. Unfortunately, if it doesn’t work, move to the next method.
5. Check for Windows Update
If updating the keyboard driver to the latest version doesn’t work, the next thing you have to do is check for a Windows update on your computer. Windows keeps pushing software updates to improve its efficiency and overall performance. It also fixes the unknown bugs and glitches that usually occur at a time.
If the Caps Lock light is not working on the keyboard,, it could be due to glitches or bugs. In that case, you should update your Windows to the latest version. It will remove the bugs and general issues. Here is how to check for Windows updates:
- Press the Windows + I keys together on the keyboard to open Settings.
- Click on Windows Update on the left-hand side.
- Then, click on Check for updates.
- Here, the system will automatically check for Windows updates.
- If any update is available, click the Download & Install button.
- Once the download is finished, then restart your computer to apply the changes.

Note: If there is no update available on the screen, then you will see a “You’re up to date” message. This means you’re already using the latest version of the Windows operating system. In that case, you can wait for another update and then download and install it.
6. Check the Keyboard for Physical Damage
If you have tried the above methods and they don’t work, then it seems there is a hardware issue with the keyboard itself. If the Caps Lock light is not working, then it indicates a fault on the keyboard or a physical issue. There is a chance that the Caps Lock LED indicator is somehow broken or damaged, resulting in the Caps Lock light not working. In that case, you should verify whether the light indicator is working or damaged.
If the Caps Lock doesn’t display the light on it, verify that the Caps Lock key is working when you press it. In certain cases, the Caps Lock key isn’t working, and that’s the point why the light is not showing on the Caps Lock key. There might be dust or debris particles inside the keyboard that prevent you from utilizing the key. If it is the case, then be sure to clean the keyboard or remove the dirt or debris particles using compressed air.
Once you have gently removed the debris inside the keyboard, check whether the light is displaying on the Caps Lock key. If it doesn’t work, the keyboard is the real culprit. Take your PC’s keyboard to the nearby service centre to get it repaired. They will repair or replace the key from the computer by inspecting it carefully.
7. Use an External Keyboard
If the Caps Lock key and other keys are not working anymore or do not show the Caps Lock light, you can try an external keyboard instead. If the keyboard is wired, you have to connect it to the computer USB port. But if you have a wireless keyboard, you can connect it via Bluetooth. Once you connect the keyboard, you can easily access it.
If you don’t have enough time to hand over your computer to the service centre or want to prepare some documents urgently, then using an alternate keyboard comes in handy. This will save you from trouble!
Wrapping Up
Caps Lock is a crucial key for those who types every day on their computer in order to prepare documents or files by using the uppercase or lowercase. But when the key is not showing the light then it may trouble you to identify whether you have switched the uppercase or lowercase. This can be irritating for some users, but with the right approach you can easily fix it.
Here, we have shared you with practical solutions that will help you to fix the Caps Lock light not working issue. Make sure to follow each and every steps carefully and you will easily address the problem. If you have any queries or thoughts, feel free to leave them in the comments section below.