In order to access photos and videos stored on your iPad/iPhone device, you have to download and install iTunes and transfer files via iTunes software. You CAN NOT access the photos and videos directly using USB cable connection.
Step 1. Connect your iPad to your PC via a USB or WiFi.
Step 2. Click the iPad button next to the top left of the iTunes pannel.
Step 3. Click the “File Sharing,” then select an app that contains the files you want to access.
Step 4. Select files you want to transfer and select where you want to house the files.
Step 5. Click “Save To.”