Trying to set up function keys on the Logitech keyboard Windows 10 Forums
How to swap F key functions – Logitech K400 – K400r | Tips Thoughts Notes
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
Logitech Wireless Touch Keyboard K400 Plus Review – Techgage
Change Logitech FN-key behaviour without software | en.code-bude.net
Logitech K400 vs K400r | AFTVnews
Logitech Wireless Touch Keyboard K400 Plus - keyboard - with touchpad - QWERTY - US International - black - 920-007119 - Keyboards - CDW.com
Refurbished: Logitech Recertified 920-003070 K400 Wireless Touch Keyboard with Built-In Touchpad for Internet Connected TV's - Newegg.com
User manual Logitech K400 (English - 2 pages)
Frequently Asked Questions
Keycap Replacement Kit - For Logitech K400r (Black) - One Key or Keys Ship Free! | eBay