Try a new USB port in PC & wait for a while. Try a new USB cable. Make sure there is no TF card in the camera. Otherwise computer will define it as USB disk if camera has TF card.1 0.5X C-Mount Adapter. Damaged on Arrival: When you sign the parcel, please check it carefully. You'd better take a video or photos when open it. If there is any damage or shortage for your parcel, please contact your Post Office or Express Company immediately.
Please send video or photos to our service staff at the same time. Your satisfaction is important to us. Our best to resolve any. Our products and after-sale service.If you are satisfied with our items. Thanks For your cooperation in advance! You can contact me if you have any questions. Our working hours are Beijing time. The item "14MP HDMI Microscope Camera 0.5X C-Mount Adapter USB Industry Digital Eyepiece" is in sale since Friday, May 17, 2019. This item is in the category "Industrial\Healthcare, Lab & Dental\Medical/Lab Equipment Attachments & Accessories\Microscope Parts & Accessories\Other Microscope Parts & Accessories". The seller is "hnpiwxny" and is located in Nanyang. This item can be shipped worldwide.