When the "Could not complete installation correctly" or "Communication between the camera and computer failed" message appears, check the items described below.

• The camera name is shown in the operation screens as "EOS XXX".

INSTALLATION FAILED

• If you are using Windows XP Professional or Windows 2000, are you using the computer under a user setting other than [Computer administrator] or [Administrator]?
  • You cannot install software if a user setting other than [Computer administrator] or [Administrator] is selected. Select the [Computer administrator] user setting in Windows XP Professional or the [Administrator] user setting in Windows 2000. For detailed information on selecting the user setting, refer to the computer User's Manual.
• Is the cable firmly plugged into its socket?
  • To complete the installation, ensure that the plugs on the dedicated cable are securely plugged into the ports on the camera and computer when you connect the camera to your computer
• Are the camera and computer set up correctly for communication?
  • Is the camera's power switch set to <ON>?
  • Even when the camera's power switch is set to <ON>, operation of the Auto power off function will automatically switch the camera off. To prevent this, set the Auto power off function to [Off]. (Refer to "Menu Operations" in the camera's Instruction Manual.)
• Does the [Add New Hardware Wizard] ([Found New Hardware Wizard] in Windows 2000) dialog box appear during installation?
  • Click the [Cancel] button, disconnect the dedicated cable, and then repeat the installation procedure from the beginning.
• Doesn't the installer panel appear?
  • Use the following procedure to display the installer panel. Click the [Start] button > [My Computer]. (In other versions of Windows, double-click [My Computer] on the desktop.) > right click the CD-ROM drive containing the CD > select [Open] from the menu that appears > double-click the icon below

---

I have installed the software but the camera and computer cannot communicate.

• Is the driver installed?
  • The driver is required for communications between the camera and computer. When you want to communicate between the camera and computer, be sure to install the driver shown below appropriate to your windows.
    • Windows XP/Windows Me: WIA Driver
    • Windows 2000/Windows 98 SE: TWAIN Driver
• Have you installed the WIA Driver or TWAIN Driver?
  • Even if you have installed the WIA Driver or TWAIN Driver, installation is not completed unless the camera is connected to the computer. Insert the Solution disk into the CDROM drive, install the WIA Driver or TWAIN Driver, and then connect the camera to your computer.
• Does your computer comply with these requirements?
  • PC with Windows XP, Windows 2000, Windows Me or Windows 98 SE preinstalled and equipped with an a USB port.

* Operation is not guaranteed when a connection is used on computer systems other than those listed above.

• Are the camera and computer connected correctly?
  • Connect the camera to your computer correctly using the dedicated cable (W-9).
• Is the correct communication mode selected on the camera?
  • When using the EOS 20D, EOS 10D and EOS DIGITAL REBEL/300D DIGITAL, set the
• camera's communication mode to [Normal]. (W-8) With the EOS 10D, you must also
• change the firmware to version 2.0.0 or later. For details on changing, see the Canon
• website.
• Is there sufficient charge left in the camera battery?
  • Your computer does not supply power to the camera. With the EOS 20D, EOS 10D and EOS DIGITAL REBEL/300D DIGITAL, connect to the camera with an AC Adapter Kit (optional). With the EOS D60 and EOS D30, Connect to the camera with the DC Coupler supplied. Or, load a fully charged battery into the camera before connecting it to your computer.
• Do you have more than one camera connected to your computer?
  • If you connect more than one camera to the same computer, the driver and camera may not operate normally.
  • Exit the software and disconnect all the dedicated cables. Then connect only one camera to the same computer again.

• Is the driver operating normally?
  • Connect the camera to your computer with the dedicated cable and set the camera's power switch to <ON> and open [Device Manager]. Click the plus symbol [+] to the left of [Imaging devices] and check that the connected camera is displayed.

• If the connected camera is not displayed, the driver is not operating normally. Briefly disconnect and then reconnect the dedicated cable, ensuring that the connection is secure. If the connected camera still does not appear, use the following procedure to reinstall the driver.
  • 1 Disconnect the dedicated cable and delete the driver
  • 2 Re-install the driver
• When the [X], [!] or [?] symbol is displayed beside the connected camera, part of the driver is missing or corrupted. Use the following procedure to re-install the driver.
  • 1 Delete the camera displayed in [Imaging devices].
  • 2 Disconnect the dedicated cable and delete the driver
  • 3 Re-install the driver
• Is the driver installed correctly?
  • Connect the camera to your computer with the dedicated cable and set the camera's power switch to <ON> and open [Device Manager]. Click the plus symbol [+] to the left of [Other devices] or [Unknown devices] and check whether the connected camera or [Canon Digital Camera] is displayed.

• If the connected camera or [Canon Digital Camera] is displayed in [Other devices] or [Unknown devices], the driver was not installed correctly. Use the following procedure to re-install the driver.
  • 1 Delete the camera or [Canon Digital Camera] displayed in [Other devices] or [Unknown devices].
  • 2 Disconnect the dedicated cable and delete the driver.
  • 3 Re-install the driver

I connected the camera to the computer before installing the software

• Did you set the camera's power switch to <ON>?
  • If you did not set the camera's power switch to <ON>, proceed as follows:
    • 1 Disconnect the dedicated cable from the camera and computer.
    • 2 Install the Solution Disk software on your computer using the correct installation procedure and then connect the camera to your computer to complete the installation
• If you set the camera's power switch to <ON>, proceed as follows:
  • 1 If [Found New Hardware Wizard] or any other dialog boxes appear, click the [Cancel] buttons to cancel all the dialog boxes.
  • 2 Set the camera's power switch to <OFF>.
  • 3 Disconnect the dedicated cable from the camera and computer.
  • 4 Install the Solution Disk software on your computer using the correct installation procedure and then connect the camera to your computer to complete the installation

To Display the Device Manager

• Windows XP
  • Click the [Start] button > select [Control Panel] > [Performance and Maintenance] > [See basic information about your computer]. Then select the [Hardware] tab
• and click the [Device Manager] button.
• Windows 2000
  • Click the [Start] button > select [Settings] > [Control Panel]. Then double-click the [System] icon to open and select the [Hardware] tab and click the [Device Manager] button.
• Windows Me and Windows 98 SE
  • Click the [Start] button > select [Settings] > [Control Panel]. Then double-click the [System] icon to open and select the [Device Manager] tab.

Uninstalling the Software

• Before beginning the uninstallation, exit all programs you are using and disconnect the dedicated cable from your computer.

Uninstalling the Software

The following uses the procedures for uninstalling the EOS Viewer Utility as an example for uninstalling other programs as well.

• For Windows XP Professional or Windows 2000, log in using computer Administrator privileges.
• Before beginning the uninstallation, exit all programs you are using and disconnect the dedicated cable from your computer.
• To prevent computer malfunctions, always restart your computer after you have uninstalled the software. Re-installing the software without first restarting your computer is likely to result in computer malfunctions.

---

1. Click the [Start] button > select [All Programs] ([Programs] in other versions of Windows) > [Canon Utilities] > [EOSViewerUtility xx] > [EOSViewerUtility Uninstall].

• The EOS Viewer Utility version information is displayed in xx.

2. Proceed with the uninstallation as directed by the on-screen messages.

• Software is uninstalled.

---

Uninstalling the Driver

This section explains how to uninstall the EOS 20D driver. For cameras other than the EOS 20D, please refer to the Software Instruction Manual supplied with the camera.

• For Windows XP Professional or Windows 2000, log in using computer Administrator privileges.
• Before beginning the uninstallation, exit all programs you are using and disconnect the dedicated cable from your computer.
• The camera name is shown in the operation screens as "EOS XXX".

---

1 Uninstall [EOS XXX WIA Driver] or [EOS XXX TWAIN Driver].

• Your camera model is displayed in EOS XXX.
• For Windows XP or Windows Me, click the [Start] button > select [All Programs] ([Programs] in Windows Me) > [Canon Utilities] > [EOS XXX WIA Driver] > [WIA Driver Uninstall].
• For Windows 2000 or Windows 98 SE, click the [Start] button > select [Programs] > [Canon Utilities] > [EOS XXX TWAIN Driver] > [TWAIN Driver Uninstall].

2 Proceed with the uninstallation as directed by the on-screen messages.

• The driver is uninstalled.

3 Restart the computer

• When the dialog box on the right appears, select [Yes, I want to restart my computer now.] radio button and click [Finish] button.
• When the computer is restarted, uninstalling of the driver is completed.