A:AnswerYou can use "Logitech Options" software to control your MK850 advanced features. Try using another device, to see if it still happens on another PC or with another keyboard. Please refer to: https://support.logi.com/hc/en-us/articles/360023300114-Getting-started-MK850-Performance-Wireless-Keyboard-and-Mouse-Combo
A:AnswerI’m still on the Origen original batteries I got with the mouse over 9 months ago, so you must have something wrong with yours.
And the 1 2 3 buttons are for switching between different paired Bluetooth devices. The other button below the thumb are is just a programmable button, install the
Logitech software to configure it.
A:AnswerGenerally, no. You can connect a computer to your TV, to use it as a monitor and it will work. Logitech has some keyboards designed for TV use you may want to consider: https://www.bestbuy.com/site/searchpage.jsp?st=logitech+tv+keyboard&_dyncharset=UTF-8&_dynSessConf=&id=pcat17071&type=page&sc=Global&cp=1&nrp=&sp=&qp=&list=n&af=true&iht=y&usc=All+Categories&ks=960&keys=keys
A:AnswerAs long as your TV has an available USB port if not Bluetooth capable, the unified adapter will connect. However Bluetooth is wonderful in my experience with Samsung Smart TVs. We have multiple versions of Samsung Smart TVs.