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. NOTE Printing or image transfer to a computer will not be possible when an excessive amount of images (approx. 1,000) are recorded on the memory card. To transfer the images, please use a commercially available USB card reader. To print, please insert the memory card directly into the printer card slot.
IMPORTANT - 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.
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 [Other devices] or [Portable Devices]. NOTE - If [Other devices] or [Portable Devices] is not displayed, there may be other causes.
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. NOTE - If the model name of your camera or [Canon Camera] is not displayed, there may be other causes.
6. The following window appears.
 Click [OK].
7. Click the [Scan for hardware changes] (  ) button.
8. A new device driver is now installed.
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