I installed all 20D software and updates on Windows 7 Pro (32-bit) and EOS Utility does not start when I connect 20D to PC. And I opened up Zoombrowser and 20D icon.

Hi Lermomma, Canon 20D is compatible with Windows 7. Did you download the drivers for Canon 20D from here?: It's best to let Windows install drivers for your hardware automatically. You should avoid manually updating a driver unless Windows is unable to find a driver for one of your devices but you were able to obtain one some other way, or if technical support personnel ask you to install drivers from a disc or from the device manufacturer's website. If you decide to manually update a driver, here's how: Some devices need to be manually installed You must be logged on as an administrator to perform these steps. Download Guia Turismo Marrakech Pdf.

Open Device Manager by clicking the Start button Picture of the Start button, clicking Control Panel, clicking System and Maintenance, and then clicking Device Manager.‌ Administrator permission required If you are prompted for an administrator password or confirmation, type the password or provide confirmation. In Device Manager, locate the device you want to update, and then double-click the device name. Click the Driver tab, and then click Update Driver and follow the instructions. Which Windows Operating System did you have earlier? If it was working fine with your earlier Operating System then you may download the latest drivers(Canon 2D) for previous Windows Operating System and run the program in compatibility mode and check.