See
http://www.scala.com/hardware/dvi-vga-cable.html for a summary.
You need a better cable and/or a signal repeater if you want a 7.5m run.
"Stig Christensen" <stigc-> wrote in message
news:9FD9F611-2704-4015-AC6B-...
> Hi
> I have a Vista labtop, and LCD-TV which can perform 1366x768..
> My labtop doesn't see the DDC-info from the TV when using a 7.5 m cable,
> it works with a 2 m cable.
> No matter what type of driver i select, the option 1360x768 doesn't show
> up..
> How can I force my Vista to use 1360x768?
> \\Stig