If the camera is not recognized correctly in a Windows 7 environment due to some unknown causes, follow the procedures below to delete the camera's device driver, and then reinstall it.
Attention:
- In this section, [PowerShot A3100 IS] is used as an example to explain the operations. Depending on your model, the position of buttons, screen indications, and setting items may vary.
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1. Connect the [DIGITAL Terminal] to the PC's USB terminal by using the [Interface Cable] that came with your camera.
Camera's [DIGITAL Terminal]
[Interface Cable]
PC's USB terminal
2. Press the <Power> button on the camera.

3. Click [Start] (
), right-click [Computer], click [Properties], and then click [Device Manager].

4. The following window appears.
Double-click [Portable Devices].
5. The following window appears.
Select the model name of your camera, or select [Canon Camera], and then
click the [Uninstall] (
) button in the upper section of the screen.
6. The following window appears.
Click [OK].
7. Click the [Scan for hardware changes] (
) button.

8. A new device driver is now installed.