crwdns2934241:0crwdne2934241:0 mike

crwdns2934249:0crwdne2934249:0:

Make sure they have a good battery and are swithced on. You will see the little slider switch on the underside marked On and Off.

Is the little receiver dongle plugged into a USB port on the computer?

crwdns2915684:0crwdne2915684:0:

open