Lenovo Thinkpad X201 Unwanted Brightness Change

Posted by tamberg on Super User See other posts from Super User or by tamberg
Published on 2010-05-12T09:15:39Z Indexed on 2010/05/12 9:25 UTC
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My Lenovo Thinkpad X201 automatically changes display brightness from time to time. The specs do not mention an ambient light sensor. Power management settings are on Presentation (timers off). Any ideas on how to turn this behavior off?

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