nomodeset option works at reduced resolution, black screen with default graphical installer. I see no lasting benefit to having turned it on and off as described in Comment #18 - still doesn't work with it off here. Of note, kdm comes up at the correct resolution with nomodeset but once the X session starts it falls back to 1024x768.Īcpi_osi=Linux is required for the back light keys to function. With nomodeset 1024x768 is the only available resolution once logged in to a session. X won't start with kernel modesetting, either automatically or from runlevel 3. Starting with kernel modesetting gets me a graphical console that works fine On my keyboard, brighter is Fn-left-arrow and dimmer is Fn-right-arrow, which is different than I usually see. Hitting Fn-brighter once turns it back on. Without i915.modeset=0 the backlight does appear to start in the off position. since it is reverse, max brightness = blank screen.įollowing are a few interesting notes from the link: ![]() ![]() I Googled for answers but nothing seemed to solve my problem.įinally I came across this that says for acpi_osi=Linux, the brightness meter works in reverse, which was why my display started with a blank screen i.e.
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