Fix: Logitech K400 Plus Not Pairing to Bluetooth

This Keyboard from Logitech comes with an integrated trackpad designed for smart TVs and HTPCs. Programmers and gamers won’t like it since there are no programmable keys and no backlighting, but it works very well in an office due to its low typing noise. Unfortunately, like many Logitech accessories over the past few years, the K400 Plus does not come with Bluetooth functionality.

Instead of using a single, it uses a proprietary 2.4GHz Unifying receiver that must be plugged into your device to control the Keyboard or connect between your Keyboard and PC. However, because the Keyboard has missing Bluetooth, many users complain that their Logitech K400 Plus is not pairing to Bluetooth using the unifying receiver.

So, after investigating this error, I’ve found some fixes that will surely help you get rid of the Logitech K400 Plus not pairing to Bluetooth issue. Therefore, if you are looking for such fixes, you can rely on these fixes:

Fix: Logitech K400 Plus Not Pairing to Bluetooth

How To Fix Logitech K400 Plus Not Pairing to Bluetooth

Fixing the Logitech K400 Plus not pairing to Bluetooth issue is not a tough job to do. You can fix it just by performing a few simple tricks. Therefore, if you want to learn about those tricks, make sure to read this guide until the end.

Fix 1: Restart Your PC

Rebooting keeps the hardware and software interfaces consistent. When you first turn on your computer, your BIOS checks that all of the necessary components are working. After that, however, you may encounter an operating system bug that prevents your operating system from recognizing the Logitech K400 Plus.

When you reboot your device, all of your software apps and hardware devices will be able to communicate effectively. Therefore, doing this is a quick and easy way to make sure your device can recognize and pair your K400 Plus Keyboard.

So, as a first fix, you can try rebooting your device and check your Keyboard again is able to pair with your device’s Bluetooth.

Fix 2: Switch The USB Port

Check if the port is working that you are using. Even though the chances are low, it is still possible that the port you are using to connect your unifying receiver may not work, which is why the Logitech K400 Plus is not paired to the Bluetooth of your system.

To see if there is an issue with the port you are currently using or if the underlying cause is different, we recommend using other ports. I recommend that you try this out and let me know if it works.

Fix 3: Make Sure No Other Device Is Connected Using Bluetooth

As we have already mentioned in this guide earlier in the K400 Plus, the Bluetooth term is missing; instead, you get a unifying receiver that helps you connect to your PC.

But, in case you already use the Bluetooth of your device to connect to other peripheral devices, then it might be possible that your K400 Plus finds it difficult to make a connection.

Therefore, we suggest you disable other devices when you connect this Keyboard to your PC using the unifying receiver. Once you do this, you will notice that the issue will automatically get resolved.

Fix 4: Install Unifying Software

We have mentioned this thing earlier in this guide. Therefore, you must make sure that the unifying software is installed on your device as it helps your Keyboard make a connection to your PC.

However, the unifying receiver can work without the assistance of any external drivers because it is a plug-and-play device. However, you can download and install Unifying if you struggle with it. The Logitech team built this software specifically to detect and connect devices.

Therefore, use the given link to download the unifying software and then install it as you normally do. Thereafter, you will see that the issue Logitech K400 Plus is not pairing to Bluetooth automatically gets resolved. Install Unifying Software

Fix 5: Use SetPoint App

If just by installing the unifying software, the Logitech K400 Plus not pairing issue does not get fixed, then – you can try the SetPoint app. This software is initially designed to map mouse and keyboard keys. But, it has the ability to detect the devices that are trying to make a connection to your PC. 

Fix 6: Disable Power Saving For USB

If you experience frequent connections and disconnections with your Logitech K400 Plus, then the problem is caused by power-saving settings on your USB ports. To save energy, Windows will power down the USB port, resulting in your K400 Plus Keyboard will also being disconnected. Therefore, you must try these steps to disable the power saving mode for your ports:

  1. Initially, open the Device Manager and expand the Universal Serial Bus Controllers
  2. Then, locate the Logitech USB driver and right-click on it. Then, go to the Properties option. Disable Power Saving For USB
  3. After that, navigate to the Power Management tab.
  4. Then, untick all the boxes located inside the power management tab and hit the Ok button. power management

Fix 7: Update Unifying Software

When you are using an old version of Unifying Software on your PC, then it might also be why you are getting the Logitech K400 Plus not pairing to Bluetooth issue. Therefore, you must have to make sure that you have the latest version of unifying software installed on your PC.

You can do this by visiting the Logitech official website and check the version of the software available there. Then, verify the version with the app that is installed on your device. If both versions are the same, then there is no problem; otherwise, you need to update it. 

Fix 8: Check For Windows Update

It is essential to keep your operating system up-to-date if you want to protect yourself against viruses, malware, and other Internet security risks. New features are usually included in updated versions, and security & bug fixes are usually addressed. These updates are rolled out and received by our device automatically. 

But, in some cases, due to some technical reasons, your system may fail to notify you of the latest updates. Therefore, in that scenario, you must have to do this manually. So, if you don’t know how to follow these steps:

  1. Press Win+I together at the beginning to open the Windows Settings. 
  2. Once that’s done, select Update & Security and then hit Check For Updates. You’ll find a list of available updates that will appear. Make sure you install them as soon as possible. update windows

Fix 9: Reach Help Desk

Logitech has not only kept up its high standards for support but has also improved—enough to displace its rival and regain first place. To make contact with a support technician easier, they’ve revamped their live-chat program. If you’re still having trouble pairing the Logitech K400 Plus to Bluetooth, head over to the Logitech Support Page and ask them to help you resolve it.

Conclusion

So, that’s it. With this last fix, we bring to the end of our guide for Logitech K400 Plus not pairing to Bluetooth. It is most likely that the methods above will solve your problems. If your Logitech Unifying receiver is under warranty, please ask for a refund if the device is physically damaged. Feel free to comment below if you have any questions or doubts.

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