Chech disasssembly guide
http://forums.logitech.com/t5/Keyboards-and-Keyboard-Mice/How-to-setup-MX250-keyboard-not-to-go-to-sleep/td-p/1011957
and video
Logitech MX Revolution Laser Mouse Disassembly Guide
Did you check here?
364 views
Usually answered in minutes!
×