1
vote
2answers
898 views

Unable to change the brightness on my Dell XPS 15 (L502X)

I am using ubuntu 13.04 and I am unable to change the brightness on my laptop and need a bit a help.
1
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1answer
2k views

Screen flickering on Dell XPS when using mid-range brightness values

After a fresh install of Ubuntu, I discovered the function keys for screen brightness control (Fn+F4 and Fn+F5 in that case) are not functioning. Digging around here, I managed to get them to work by ...
2
votes
1answer
1k views

Few problems on Dell xps 15 L502 (screen brightness, bluetooth, wi-fi power management problems)

I am running ubuntu 11.10 32bit in my dell xps L502. Working well except for a few problems. Blue tooth always turned on reboot,I would like to turn it off always. Screen brightness is not saved. ...