[lubuntu] No S-video output on Dell Latitude 610 with ATI card

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http://ubuntuforums.org – I am a new user of Ubuntu. I have a Dell Latitude D610 that previously ran Windows XP (slowly). I tried out Lubuntu 12.10 using a DVD Boot disk, and liked it so I installed it. The installation and various updates worked very well (slick!). I have an ATI Mobility Radeon X300 video card. Only one thing does not work: the S-Video output. I have used (and plan to use) the computer as a media player for the TV, using the S-Video output. This previously worked in Windows XP (though was getting slower and slower). Using commands like Fn-F8 to change the output screens does not work eit (Hardware)