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Old 02-23-2009, 11:19 PM   #1
Registered: Dec 2006
Location: Vancouver, BC
Distribution: Debian,Ubuntu,Slackware
Posts: 479

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Screen goes blank when adjusting brightness during DVD playback

Weird problem... I am using Slack 12.2 (upgraded from 12.1) on a laptop and the screen goes blank when attempting to adjust the brightness of the screen. I first noticed this when I accidentally unplugged the power supply from the laptop (which triggered an auto dimming feature to save power) while watching a DVD.

I am able now to replicate this whenever I play a DVD (using Kaffeine) and attempt to adjust the brightness. Normal brightness adjustments work fine.

Sometimes, the screen goes blank and I can still hear playback and I can restart the X server, other times the system hangs.

Not sure where to start here...
Old 02-27-2009, 08:22 PM   #2
Registered: Dec 2006
Location: Vancouver, BC
Distribution: Debian,Ubuntu,Slackware
Posts: 479

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Rep: Reputation: 48


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