Dolby Audio Driver not working. PLEASE HELP.

Hi, recently i've been getting a messege when starting up my laptop 'unable to start the dolby audio driver. please restart the computer or reinstall driver if problem persists.' i thought nothing much of it at the time but after that, there are no sounds coming out while gaming or playing other media files. please help. i have a lenovo z500 i7 idea pad.
I'm on windows 8.1 if that helps!

jitking3 wrote:
Hi, recently i've been getting a messege when starting up my laptop 'unable to start the dolby audio driver. please restart the computer or reinstall driver if problem persists.' i thought nothing much of it at the time but after that, there are so sounds coming out while gaming or playing other media files. please help. i have a lenovo z500 i7 idea pad.
You can try one of the following (start at 1 first):
1. Run in an elevated commnad prompt without the quotation "sfc /scannow & dism /online /cleanup-image /restorehealth"
2. Restore to a date where you can remember that the dolby audio sound is working.
3. Use OKR to restore everything to factory default. Note you need to backup all your personal files before doing this and might need to reinstall all third party programs after the restoration.

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Vegas Superstar wrote:
My plan was to fresh install OSX, install Carbon Copy Cloner and then clone the old drive by plugging it in with a reading device I have.
Hi VS,
What "reading device" are you using?
As it started the macbook told me I was '+running on battery power+' and '+was I sure?+'. With full battery I said yes and continued.
It is best to have the power adapter connected when running a long process like this which cannot be interrupted.
The new internal drive was also making a repetitive noise - not loud or anything but certainly sounded like it was searching for something. As the whole thing was stuck and nothing was working I held down the power button.
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