Audio not working after Windows 8.1 Upgrade Tech Support

Audio not working after Windows 8.1 Upgrade

Hi Everyone

SO I updated to Windows 8.1 from the store yesterday and now audio does not work on my laptop.
No sound from any programme at all.
the volume icon shows that its at full volume, the Realtek drivers are the latest.
I have even un-installed them and then
re-installed them.
Nothing, still no sound. 
HDMI out sound does not work either but the headphone jack does work for some reason.

I have an Asus N55.
Any help would be warmly welcomed.

Thanks for looking.

Rossco

Anwsers to the Problem Audio not working after Windows 8.1 Upgrade

Download SmartPCFixer to Fix It (Free)

To check for Windows updates. Open Windows Update by clicking the Start button , clicking All Programs, and then clicking Windows Update. In the left pane, click Check for updates, and then wait while Windows looks for the latest updates for your computer. If any updates are found, click Install updates.

Install the latest updates for Windows and for the program displaying the error. Note that the update for the program might be listed as an optional update on the Windows Update page.

Open Windows Update by clicking the Start button Picture of the Start button. In the search box, type Update, and then, in the list of results, click Windows Update.

Recommended Method to Repair the Problem: Audio not working after Windows 8.1 Upgrade:

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