I am having trouble upgrading my AVR 254, AVR 354 or AVR 3550HD receiver. What could be the problem?
If the upgrade is in progress, stop it by clicking on the Cancel button. Computer Issues There are a few issues that may stem from the configuration of your computer. Please review these items and make the recommended changes, then download and run the upgrade again. 1. The Microsoft® Windows Vista® operating system may have compatibility issues with this upgrade. If you have access to a computer running the Microsoft® Windows® XP operating system, use it to run the upgrade software. When using a USB-to-serial adaptor, always try to use a port directly on the computer, or a hub that has an external power supply. Laptop computers don’t provide enough power through the USB output for an RS-232 adaptor to operate properly. If the computer has an RS-232 serial port, use that connection to the AVR. 2. Log onto an account on your computer that has “Administrative Access”. For information on how to log in as an Administrator, check the Windows Help Menus or check with your computer manufactur
