possibly a counterfeit card.. geo has this detection tool with version 8.12 which corrupts counterfeit card with such symptom (upgrade to v8.12 camera goes black screen then video lost) take clear photo of front and back of your card and send it in to geo for verification
try to install the card on another pc .... if it's not the card then it's gotta be your pc that's having issue detecting the card, as geo tech says most of the time it's a compatibility issue =p
check your internet option security settings, make sure every activex control and plugs ins are enabled. also are u logged in windows with admin account?