Canon VIXIA HG21 Digital Video Software (Windows) Ver.31 Instruction Manual - Page 77

Click the [Device Manager] button. - troubleshooting

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TWAIN Driver Uninstallation If you have problems when uninstalling the driver, use the following procedure to remove it. Leave the camcorder connected to the computer. The [Inf] folder contains numerous files that are critical to the computer's operation. Be extremely careful not to delete the wrong files. If you delete the wrong file, you may be unable to restart Windows. Use the procedure below for the following circumstances too. - If you do not find [Scanners and Cameras] in the [Control Panel] or [Printers and Other Hardware]. - If [Canon Camera] or your camcorder model name does not appear in the [Scanners and Cameras Properties] or [Scanners and Cameras]. - If you connected the camcorder to the computer via the USB cable before installing the Digital Video Software. 1 Click the Windows [Start] menu and select [Settings] and [Control Panel]. 2 Double-click the [System] icon. 3 Click the [Hardware] tab. 4 Click the [Device Manager] button. 5 If [Canon Camera] or your camcorder model name appears under the [Other Devices] and/or [Imaging Devices] categories, use the following procedure to delete it. 1. Select [Canon Camera] or the name of the camcorder model, right-click the mouse button and select [Delete]. 2. In the confirmation dialog, click [OK]. 3. Click [OK] to close the [System Properties] dialog. Remove all copies of [Canon Camera] or your camcorder model name that appear in the [Other Devices] or [Imaging Devices] categories, or that appear more than once in one category. 6 Double-click the [My Computer] icon on the desktop, followed by the [C:] drive, and the [Winnt] and [Inf] folders. If the [Inf] Folder Is Not Visible in the [Winnt] Folder Use the following procedure to show all files and folders. 1. Click the [Tools] menu and select [Folder Options]. 2. Click the [View] tab. 3. In the [Advanced setting] section, set the [Hidden files and folders] category to the [Show hidden files and folders] option. If [Hide extensions for known file types] is selected, remove its check mark. 4. Click [OK] to close the dialog. This makes the [Inf] folder and the files in the [Inf] folders visible. Windows Troubleshooting 77

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77
Troubleshooting
Windows
TWAIN Driver Uninstallation
If you have problems when uninstalling the driver, use the following procedure to
remove it. Leave the camcorder connected to the computer.
The [Inf] folder contains numerous files that are critical to the computer’s
operation. Be extremely careful not to delete the wrong files. If you delete the
wrong file, you may be unable to restart Windows.
Use the procedure below for the following circumstances too.
- If you do not find [Scanners and Cameras] in the [Control Panel] or
[Printers and Other Hardware].
- If [Canon Camera] or your camcorder model name does not appear in the
[Scanners and Cameras Properties] or [Scanners and Cameras].
- If you connected the camcorder to the computer via the USB cable before
installing the Digital Video Software.
1
Click the Windows [Start] menu and select [Settings] and
[Control Panel].
2
Double-click the [System] icon.
3
Click the [Hardware] tab.
4
Click the [Device Manager] button.
5
If [Canon Camera] or your camcorder model name appears
under the [Other Devices] and/or [Imaging Devices]
categories, use the following procedure to delete it.
1. Select [Canon Camera] or the name of the camcorder model, right-click the
mouse button and select [Delete].
2. In the confirmation dialog, click [OK].
3. Click [OK] to close the [System Properties] dialog.
Remove all copies of [Canon Camera] or your camcorder model name that
appear in the [Other Devices] or [Imaging Devices] categories, or that appear
more than once in one category.
6
Double-click the [My Computer] icon on the desktop,
followed by the [C:] drive, and the [Winnt] and [Inf] folders.
If the [Inf] Folder Is Not Visible in the [Winnt] Folder
Use the following procedure to show all files and folders.
1. Click the [Tools] menu and select [Folder Options].
2. Click the [View] tab.
3. In the [Advanced setting] section, set the [Hidden files and folders] category
to the [Show hidden files and folders] option.
If [Hide extensions for known file types] is selected, remove its check mark.
4. Click [OK] to close the dialog.
This makes the [Inf] folder and the files in the [Inf] folders visible.