HP Laptop Sound Not Working

Hi,
I've recently noticed a problem with my PC's speakers not working. I'm not entirely sure what causes them to stop working, but if I remember correctly, the first time I remember it happening was after I had my computer plugged into the TV via an HDMI cable. Since then, the speakers seem to come and go. I think restarting my computer usually brings them back, but I was curious if there was another way to fix them other than that and if I could do something to keep this from happening in the future. Also, I'm interested in finding out why this is happening to my PC.
I have an HP ENVY dv6 Notebook PC
Thanks!
Anatoli
This question was solved.
View Solution.

Hi,
Try the following.
Open windows Control Panel, open Windows Update, select 'View update history' in the left hand pane and then select 'Installed updates' link in the following window.
Locate update KB2962407, right click it and select Uninstall.  When done, restart the notebook, open windows Control Panel, open Windows Update and select 'Check for updates'.  You'll see the update you just uninstalled being offered again - right click and select 'Hide Update'.
After this you may or may not need to delete and reload the Audio driver - if you do, the procedure for using recovery manager to reinstall Software and Drivers is detailed in the relevant document on the link below.
Recovery Manager - Windows 8.
Recovery Manager - Windows 7
Regards,
DP-K
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