Concord Eye-Q 2100 1. Does my camera have an audio function? This model is not equipped with an audio function. 2. Is this camera compatible with Windows® XP? Yes, the camera is compatible with Windows XP. However, since the Windows XP logo certification has not been completed, a warning pop-up message as illustrated below will be displayed during the software installation. Please click on "Continue Anyway" to proceed with your installation. 1. What is the rating of the AC adaptor? The camera supports a 5V/2A AC adaptor. AC adaptors can be purchased from computer and electronic specialty stores. 4. Why doesn't the flash fire? Ensure that the flash is set to Auto or Flash. If the batteries are weak, the flash will not be able to recharge and as a result, it is not able to fire. Please turn off the camera and wait a few seconds before turning it on again. If the flash still does not fire, please replace the batteries. Concord Eye-Q 2100 5. I am having difficulties installing the camera driver and software. What Should I do? If you encounter this issue, please uninstall the driver completely and restart your computer. Please reinstall the software again. It's recommended you download the latest driver version from our website http://www.concord-camera.com/support/downloads/downloads.htm. There are two ways to uninstall drivers or software completely: 1.Uninstall the driver or software from Programs: & From the Start button, click Programs and choose the camera model software and driver. & From the camera software folder, select the Uninstall Wizard. When asked if you want to completely remove the program from your computer, answer Yes. A message stating that the program was successfully removed is displayed. & Click Start > Shut Down. & When the Shut Down dialog box is displayed, choose Restart. Click OK to restart your computer. 2. Uninstall the driver or software from Control Panel: & From the Start button, click Settings > Control Panel. & Double-click Add/Remove Programs. & Highlight the desired software and click the Change/Remove button. & Proceed to the next step following the on-screen instructions. When asked if you want to completely remove the program from your computer, answer Yes. A message stating that the program was successfully removed is displayed. & Click Start > Shut Down. & When the Shut Down dialog box is displayed, choose Restart. Click OK to restart your computer.