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I don't know what has happened, but suddenly my laptop can't play any sound and the volume bar has gone.

It's an Acer Aspire 4937 G, running Windows Vista Home Premium.

Restarting my laptop has fixed the problem (for now).

But I would like to know what caused this to happen in the first place, so that if it happens again I can fix it.

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up vote 1 down vote accepted

It may happen that the playback device is disabled in the list of devices.

May be you had a piece of software that did that.

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i don't think any software i had did that.. anyway i was thinking may it be because my laptop had a slight hit on the door? – Pacerier May 23 '11 at 8:33
@Pacerier Uhm, no, I don't think that's possible. Maybe the audio driver stopped working because of some bug, who knows? – slhck May 23 '11 at 8:50
@slhck you mean a bug in a software i have or a windows bug? – Pacerier May 23 '11 at 13:55
@Pacerier Either way - if you can't reproduce it I wouldn't worry all too much about it. – slhck May 23 '11 at 13:57

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