How To Fix Logitech K400r Keyboard (Keys not responding) - YouTube
I'm sick of old stuff you can't but anymore on this sub! I bought this Logitech k400r about 10 years ago and no matter how much I abuse and/or neglect it, it
User manual Logitech K400 (English - 2 pages)
Download Logitech K400 Plus Driver - Driver Easy
Amazon.com: Logitech Wireless Touch Keyboard k400 with Built-in Multi-Touch Touchpad - White : Electronics
The new classic Logitech K400R USB Wireless Touch Keyboard Keypad - AliExpress
Solved - Awesome Logitech K400r wireless keyboad with touch pad lost his dongle | Tech Support Guy
k400r keyboard - keys not working, track pad works
FIXED: Logitech Wireless Keyboard Not Working - YouTube
How to Connect Logitech Wireless Keyboard - Driver Easy