Thank you :) I tried commenting out line 80 Option "UseFBDev" "true" I also tried changing line 80 to Option "UseFBDev" "false" ... I still get a grey screen on the external VGA screen. Thanks anyway for your help, Pierre <div>2007/6/2, Alex Deucher <<a href="mailto:alexdeucher@gmail.com">alexdeucher@gmail.com </a>>:<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">On 6/2/07, Pierre Bauduin <<a href="mailto:pierre@baudu.in">pierre@baudu.in </a>> wrote: > Hello, > > I have bought a mini-VGA to VGA adapter for my iBook G3 800 MHz 12 inch. > > When I use the adapter to connect an external VGA display to my iBook G3: > - in Mac OS X, everything is fine, I can see my desktop both on the iBook > LCD display and on the external VGA display > - in Debian GNU/Linux, I can see my desktop on the iBook LCD display, but I > see nothing but a grey screen on the external VGA display > get rid of the usefbdev option. Alex </blockquote></div> -- Pierre Bauduin Linux enthusiast since 1996 Linux registered user #64711 Debian GNU/Linux user website: <a href="http://pierre.baudu.in/">http://pierre.baudu.in/</a>