logitech wireless mouse 325
purchased 09-03-14. attempted to use 09-04-14. won't work. put in new battery. won't work. computer WIN 7 and currently using logitech wireless mouse mrby 125. can't see a reset button. am I supposed to download a new driver or something? Defective mouse?
Logitech dongles have Unifying which allows up to 6 devices per dongle, I am not sure if the mouse dongles do this as well, but possibly your pc isn't reading the mouse dongle correctly and only seeing the other one?