Ubuntu 14.04 and Dell E6440 - sound and mouse working after suspend/resume

Posted by slawek.mikula on Ask Ubuntu See other posts from Ask Ubuntu or by slawek.mikula
Published on 2014-08-23T10:25:45Z Indexed on 2014/08/23 10:35 UTC
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I've installed fresh Ubuntu 14.04 on Dell Lattitude E6440 and i've encountered two strange issues when doing full system start/restart: - mouse scroll when full restart is working very fast. One turn of the wheel cause very large change of value (window scroll, sound change etc.) But when i suspend and resume laptop it starts working correctly (one turn of the wheel and small change of value - the same as in previous versions of Ubuntu) - sound from speakers - the same issue. When full restart the sound does not come from internal laptop speakers. It works though through headphones. After suspend/resume internal speakers starts to work.

What can be a cause of these issues ?

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