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If either your S520 keyboard or mouse isn't working, the problem is likely a lost connection. The connection between the keyboard or mouse and the USB receiver can be lost for several reasons, including: Low battery charge. Moving the USB receiver from one USB port to another. Moving the USB receiver to another computer
I would randomly have my wireless Logitech keyboard and mouse become erratic and either not work in the case of my keyboard or erratically in the case of my wireless mouse. I had this problem on both my new Dell Windows 10 and older Windows 7 computers.
The A - Z letter keys on your keyboard may stop responding even though the media and function keys still work and you're not having any problems with your mouse. This can happen when the USB receiver is plugged into an external USB hub or a KVM switch.
21 Ιαν 2023 · There could be many reasons why a wireless Logitech keyboard keys are not working, like drained-out batteries, corrupted Bluetooth and keyboard drivers, the keyboard not in range, faulty...
29 Αυγ 2020 · Here you can view the solution of fixing Logitech K400r, K330, K350, K520, k750 wireless keyboard not working issue on Windows 11, 10, 8, and 7.
8 Μαΐ 2024 · Make sure you have correctly installed working batteries in your keyboard. Plug the USB receiver into a different port on your computer. Update your keyboard with the Logi Options+ software and update your drivers. Resync your keyboard, test it with other devices, and re-pair Bluetooth connections. Check the batteries.
15 Νοε 2015 · I have a Logitech K800 wireless keyboard and Performance MX mouse running off of the same Unifying Receiver on Windows 10. All of a sudden, the keyboard doesn't type anything. The function keys work (I can mute, change volume, etc), but I can't input any numbers or letters.