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I don't know why but my laptop screen (Lenovo Thinkpad SL300) suddenly turns black after turning down the volume and then comes back, with ugly problems, after turn it up. It started happening after doing some changes on Compiz.

Can you help?

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  • Please try unity --reset in terminal
    – Tachyons
    Oct 10, 2012 at 11:13

1 Answer 1

Reset to default
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Answered by OP in comments

An installed program called Jupiter was the problem. I uninstalled it and I no longer get the black screen when I use the volume buttons.

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