Malcolm,
Since firmware version 1.23a there have been several firmware updates for the Beo5.
Version 1.32 fixed problems controlling 3rd party products
Version 1.34 fixed the backlight not switching off, backlight switches on when using buttons or wheel.
Version 1.40a provided better handling of third-party products.
Version 1.41a fixed errors in appearance of the ’Halo’ when buttons on the screen are touched.
Since your firmware version there has also been three (3) Configuration Tool updates including the current version 3.0. Depending on your product configuration, your dealer may need to totally recreate your configuration in the version 3.0 configuration tool.