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'Unable to start the Dolby Audio Driver' - (Acer Aspire)


Posts
4
#1
Hi guys, I'm having an (what appears to be quite a common) issue with my sound since installing to Windows 8.1

I have an Acer Aspire V3-571G laptop, and was recently asked to upgrade to Windows 8.1.

Once I did that, a pop-up has come up saying:
---------------------------------------------------------
Dolby Home Theater
Unable to start the Dolby audio driver. Please restart the computer or
reinstall the driver if the problem persists.
---------------------------------------------------------

The audio for all my media players now refuse to work, while, say, Youtube appears to work fine.

I've seen a few proposed solutions for this issue (including deleting, uninstalling and reinstalling of certain things), but most appear to be 'Lenovo' laptops. So basically I have a fear of deleting something wrong or doing some irreversible damage to my sound, since it may not be specific to my Acer Aspire.

If anyone could give me a hand with how to solve this, that would be VERY much appreciated, as I am clearly not very tech savvy.

Thanks guys and girls!
 

My Computer

System One

  • OS
    Windows 8.1

popeye

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3,090
#2
Welcome to the forum!

In your programs list you should have Acer Recovery Management. From there select Reinstall Drivers or Applications, then find Audio Codec and select.
 

My Computer

System One

  • OS
    Windows 8.1 Pro 64-bit
    Computer type
    Laptop
    System Manufacturer/Model
    Acer V3 771G-6443
    CPU
    i5-3230m
    Motherboard
    Acer VA70_HC (U3E1)
    Memory
    8GB DDR3 PC3-12800 (800 MHz)
    Graphics Card(s)
    HD4000 + GeForce GT 730M
    Sound Card
    Realtek High Definition Audio
    Monitor(s) Displays
    17" Generic PnP Display on Intel HD Graphics 4000
    Screen Resolution
    1600x900 pixels
    Hard Drives
    Samsung SSD 850 EVO 250 GB
    ADATA SSD SP900 128GB
    PSU
    90 watt brick
    Mouse
    Bluetooth
    Antivirus
    Comodo
    Other Info
    Asus RT-AC56R dual-band WRT router (Merlin firmware). Intel 7260.HMWWB.R dual-band ac wireless adapter.
Posts
4
#3
Thanks Popeye!

I found the Acer Recovery Management folder, but couldn't find anything else you've said within it.

I attached a printscreen so you can see what I mean. (they don't appear to be in any of those 'Helpfiles'.

And also thanks for replying.
 

Attachments

My Computer

System One

  • OS
    Windows 8.1

popeye

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Posts
3,090
#4
No, you should find the program in your programs menu. Don't go to the folder. When you click on it should get something like this:

Capture.JPG

Can try clicking on that Recovery UI executeable.
 

My Computer

System One

  • OS
    Windows 8.1 Pro 64-bit
    Computer type
    Laptop
    System Manufacturer/Model
    Acer V3 771G-6443
    CPU
    i5-3230m
    Motherboard
    Acer VA70_HC (U3E1)
    Memory
    8GB DDR3 PC3-12800 (800 MHz)
    Graphics Card(s)
    HD4000 + GeForce GT 730M
    Sound Card
    Realtek High Definition Audio
    Monitor(s) Displays
    17" Generic PnP Display on Intel HD Graphics 4000
    Screen Resolution
    1600x900 pixels
    Hard Drives
    Samsung SSD 850 EVO 250 GB
    ADATA SSD SP900 128GB
    PSU
    90 watt brick
    Mouse
    Bluetooth
    Antivirus
    Comodo
    Other Info
    Asus RT-AC56R dual-band WRT router (Merlin firmware). Intel 7260.HMWWB.R dual-band ac wireless adapter.

popeye

New Member
VIP Member
Guru
United States

Posts
3,090
#5
Clicking on that eRecoveryUI executeable in the folder should work also.
 

My Computer

System One

  • OS
    Windows 8.1 Pro 64-bit
    Computer type
    Laptop
    System Manufacturer/Model
    Acer V3 771G-6443
    CPU
    i5-3230m
    Motherboard
    Acer VA70_HC (U3E1)
    Memory
    8GB DDR3 PC3-12800 (800 MHz)
    Graphics Card(s)
    HD4000 + GeForce GT 730M
    Sound Card
    Realtek High Definition Audio
    Monitor(s) Displays
    17" Generic PnP Display on Intel HD Graphics 4000
    Screen Resolution
    1600x900 pixels
    Hard Drives
    Samsung SSD 850 EVO 250 GB
    ADATA SSD SP900 128GB
    PSU
    90 watt brick
    Mouse
    Bluetooth
    Antivirus
    Comodo
    Other Info
    Asus RT-AC56R dual-band WRT router (Merlin firmware). Intel 7260.HMWWB.R dual-band ac wireless adapter.
Posts
4
#6
I did the first option you stated. It appeared to uninstall and install my Audio Codec (which was 'Realtek High Definition Audio).

Now I have no volume button on my bottom right-hand corner, and when I check my 'volume mixer', it says 'no audio device is installed.'

I'm assuming there's a very simple step I'm missing to kick-start everything?

-----------------

I went into Sound and clicked on the 'Properties' of my
Speakers
Realtek High Definition Audio
Default Device

and there's a 'Dolby' tab - when I go to it, there's a pop up:
----------------------
ERROR
Error opening registry keys. Please verify registry key permissions.
Run RegDolby.bat from the driver folder to change.
----------------------

Would this be the next step?
 

My Computer

System One

  • OS
    Windows 8.1

popeye

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United States

Posts
3,090
#7
I would uninstall the audio device in Device Manager and select delete the driver if an option, run CCleaner (twice) on the registry. reboot and install the drivers from Acer Recovery.

Did the laptop come with 8 or 8.1?
 

My Computer

System One

  • OS
    Windows 8.1 Pro 64-bit
    Computer type
    Laptop
    System Manufacturer/Model
    Acer V3 771G-6443
    CPU
    i5-3230m
    Motherboard
    Acer VA70_HC (U3E1)
    Memory
    8GB DDR3 PC3-12800 (800 MHz)
    Graphics Card(s)
    HD4000 + GeForce GT 730M
    Sound Card
    Realtek High Definition Audio
    Monitor(s) Displays
    17" Generic PnP Display on Intel HD Graphics 4000
    Screen Resolution
    1600x900 pixels
    Hard Drives
    Samsung SSD 850 EVO 250 GB
    ADATA SSD SP900 128GB
    PSU
    90 watt brick
    Mouse
    Bluetooth
    Antivirus
    Comodo
    Other Info
    Asus RT-AC56R dual-band WRT router (Merlin firmware). Intel 7260.HMWWB.R dual-band ac wireless adapter.

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