Thread: Graphics driver problems on TimelineX 5820TG lucid

hey ubuntu forums, i'm starting few threads problems laptop's ubuntu install.

have acer aspire timelinex 5820tg-524g50mn dual-booting w7-64 , ubuntu 10-4 64

strange thing happens when try open tty (don't know correct terminology, know mean... ctrl-alt-f2 etc.): freezes, strange artefacting on screen (each occurrence of colour replaced boxes of colours pink/green/blue/red... pretty hard describe , can't take screen shot). it's not frozen display, because when blindly log on terminal , try command sudo reboot (without forgetting type in password!), nothing happens. returned normal when crtl-alt-f7 though.

same kind of artefacting happens right when ubuntu boots, (green rings around loading dots), lasts few seconds until loads fixes artefacting , fine (until try ctrl alt f2).

i'm running normal drivers graphics cards because when enabled proprietary drivers (amd/ati proprietary fglrx graphics driver) nerfed install , wouldn't boot. had re-install.

ideas appreciated! don' have experience in kind of thing know start.

cheers!

another bit of information:

turns out have 2 grapihcs card chips:
-> low-powered intel chip
-> op radeon hd 5650 1024mb.

do?

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