Logitech K520 keyboard not working? Don’t worry! Although it’s very frustrating, you’re definitely not the only one to experience this problem. Many Logitech keyboard users have recently reported the very same issue. More importantly, you should be able to fix it pretty easily…

Try these fixes:

Here’s a list of fixes that have resolved this problem for other Logitech keyboard users. You don’t have to try them all. Just work your way through the list until you find the one that does the trick for you.

  1. Troubleshoot the hardware issues
  2. Update the keyboard driver
  3. Reinstall Logitech unifying software
  4. Restart the Human Interface Device Service

Troubleshoot the hardware issues

Before trying any other fixes, you should troubleshoot the hardware issues on your Logitech K520 keyboard first.

Step 1: Plug the unifying receiver into different USB ports.

If the USB unifying is plugged into a USB root hub, this issue may occur. Please make sure that you connect the unifying receiver directly to your computer.

Step 2: Make sure the batteries in your keyboard are sufficient.

If your keyboard is running out of battery, it may not function properly.

Step 3: Reset your Logitech K520 keyboard.

If your Logitech K520 keyboard often loses connection or not responding to the key you press, you can follow the instructions below to reset your keyboard:

  1. Press the Reset or Connect button on the unifying receiver if it has one.
  2. Press the Reset or Connect button on your keyboard.
  3. Restart your computer and connect the keyboard to your computer again.

Step 4: Connect your keyboard to another computer to see if it works.

If this issue persists after you reset the keyboard, you need to connect the keyboard to another computer to see if it functions well.

If it still doesn’t work, it may suggest If the keyboard itself is faulty. If the keyboard works well on another computer, don’t worry! Just try the fixes below one by one to troubleshoot your computer.

Fix 1: Update the keyboard driver

If the keyboard driver on your computer is faulty or corrupted, your Logitech K520 keyboard may also not function properly.

Updating drivers should always be your go-to option when something goes wrong with your computer or system. Whether you choose to update the device drivers manually, using Windows Update, or you use a trusted third party product, it’s essential that you have the latest correct device drivers for your operating system at all times.

If you’re not comfortable playing with device drivers, we recommend using Driver Easy. It’s a tool that detects, downloads and (if you go Pro) installs any driver updates your computer needs.

  1. Download and install Driver Easy.
  2. Run Driver Easy and click Scan Now. Driver Easy will then scan your computer and detect any problem drivers.
  3. Click Update All to automatically download and install the correct version of all the drivers that are missing or out of date on your system. You need the Pro version of Driver Easy to do this, so you’ll be prompted to upgrade.

    Don’t worry; it comes with a 30-day money-back guarantee, so if you don’t like it you can get a full refund, no questions asked.
    Update all of your drivers by just 1 click with Driver Easy
    Alternatively if you’re comfortable manually installing drivers, you can click ‘Update’ next to each flagged device in the free version to automatically download the correct driver. Once it’s downloaded, you can manually install it.

See if this fix works after you updated the keyboard driver. If not, try the next fix, below.

If you need assistance, please contact Driver Easy’s support team at support@drivereasy.com.

Fix 2: Reinstall Logitech unifying software

You may also need to reinstall Logitech unifying software if the Logitech K520 keyboard not working issue persists. Here is how to do it:

  1. On your keyboard, press the Windows logo key and R at the same time to open the Run dialog. Type appwiz.cpl and press Enter to open the Program and Features window.
  2. Locate the Logitech unifying software, right-click on it and select Uninstall.
  3. Download the latest version of Logitech unifying software from the official website of Logitech.

See if this fix works for you. If not, try the next fix, below.

Fix 3: Restart the Human Interface Device Service

You may also run into this issue if the Human Interface Device Service is stopped. In this case, you need to restart the Human Interface Device Service. Here’s how to do it:

  1. On your keyboard, press the Windows logo key and R at the same time to invoke the Run dialog. Type services.msc and press Enter to open the Services window.
  2. In the Name list of services in the Details pane, locate Human Interface Device Service. Double-click on it to view its properties.
  3. Set its Startup type to Automatic. If the Service status is not Running, click the Start button below to restart the service. Then click OK to save the changes.

See if you can fix the problem after restarting the Human Interface Device Service.


Hopefully, one of the fix above helped you fix the Logitech K520 keyboard not working issue. If you have any questions or suggestions on this issue, you’re more than welcome to leave us a comment below. Thanks for reading!

Be the first to like this article