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Laptop "No Audio Output Device is Installed"

Humble Bee
By Humble Bee
in Troubleshooting
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I have a HP Envy 4 laptop and last week the audio went after having been connected to an external monitor via HDMI. Now the laptop speakers no longer work. using external speakers doesn't work either. Neither do head phones. There is no audio period.

 

I started by running windows troubleshooter, which was absolutely useless in providing any useful information to a fix as usual. 

 

post-87416-0-14695000-1414879678.png

 

I suspected a driver issue. So I opened device manager to see if there was any issues. I was correct. "High Definition Audio Controller" had an issue.

 

post-87416-0-59984500-1414879679.png

 

So I click on the faulty driver to see what was wrong. Apparently the driver is corrupt...

 

post-87416-0-73484000-1414879680.png

 

So I un-installed the driver and downloaded the audio driver from HP's website for my specific laptop. I then installed the new drivers. Same problem... apparently driver corrupt. how can this be it was a new download straight from HP for my specific laptop which they even identified using the laptop hardware checker... 

 

I don't know what do do :(

 

Any help will be much appreciated. I need audio as I use this laptop daily for work and leisure.

 

If only we all could afford 8 SSD's in Raid 0  :wub:

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So I un-installed the driver and downloaded the audio driver from HP's website for my specific laptop. I then installed the new drivers. Same problem... apparently driver corrupt. how can this be it was a new download straight from HP for my specific laptop which they even identified using the laptop hardware checker... 

Try uninstalling drivers and installing the ones straight from Realtek

"Rawr XD"

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Try uninstalling drivers and installing the ones straight from Realtek

I am downloading the Realtek drivers now, will be 30 mins before I find out thanks to my useless home internet :(

If only we all could afford 8 SSD's in Raid 0  :wub:

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Thought I would just add this screen shot in. Does it mean the sound card has gone in my laptop? as it says that there is no audio devices.

 

post-87416-0-72885900-1414880915.png

If only we all could afford 8 SSD's in Raid 0  :wub:

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Try uninstalling drivers and installing the ones straight from Realtek

Nope, still didn't work is it possible the audio card / chip in my laptop has gone? Its still under warranty but I want to avoid the loss of my laptop for 2-4 weeks if possible.

 

This laptop has been nothing but problem i've had it for 8 months and 2 months ago the LCD Panel failed (black screen) and now I think the audio chip has failed. 

If only we all could afford 8 SSD's in Raid 0  :wub:

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Nope, still didn't work is it possible the audio card / chip in my laptop has gone? Its still under warranty but I want to avoid the loss of my laptop for 2-4 weeks if possible.

 

This laptop has been nothing but problem i've had it for 8 months and 2 months ago the LCD Panel failed (black screen) and now I think the audio chip has failed. 

Maybe just Windows glitched. Try putting a Linux distro on a USB, booting off of that and seeing if sound works in Linux

"Rawr XD"

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Maybe just Windows glitched. Try putting a Linux distro on a USB, booting off of that and seeing if sound works in Linux

Okay. I will give that a go tomorrow as its late where I am and will probably make a mistake as I'm tired. Thanks for your help, hopefully your right :)

If only we all could afford 8 SSD's in Raid 0  :wub:

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Okay. I will give that a go tomorrow as its late where I am and will probably make a mistake as I'm tired. Thanks for your help, hopefully your right :)

WAIT before installing a whole new OS...

Control Panel - search for Troubleshooting - Click on Hardware and Sound - Playing audio - Commence the fixing of thy compooter.

 

Hope this works for ya!

|PSU Tier List /80 Plus Efficiency| PSU stuff if you need it. 

My system: PCPartPicker || For Corsair support tag @Corsair Josephor @Corsair Nick || My 5MT Legacy GT Wagon ||

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Thank you for the thought @STRMfrmXMN , but that was the first thing I tried to. If you look at my original post. The first image shows the result of this. Apparently "hardware changes might not have been detected". But no hardware changes have been made so I'm lost. Thank you anyway :)

If only we all could afford 8 SSD's in Raid 0  :wub:

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Thank you for the thought, but that was the first thing I tried to. If you look at my original post. The first image shows the result of this. Apparently "hardware changes might not have been detected". But no hardware changes have been made so I'm lost. Thank you anyway :)

Ah, I thought you just used the all-in-one troubleshooter solution...

Sorry about that.

EDIT: Has Linux been installed yet? I know you said you were worried about making a mistake but you can use LiLi USB and Ubuntu and you're set. Installing an OS isn't hard.

|PSU Tier List /80 Plus Efficiency| PSU stuff if you need it. 

My system: PCPartPicker || For Corsair support tag @Corsair Josephor @Corsair Nick || My 5MT Legacy GT Wagon ||

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Ah, I thought you just used the all-in-one troubleshooter solution...

Sorry about that.

Has Linux been installed yet?

It is downloading at the moment but it wont be till tomorrow morning that I start the install as I feel its too late to do it tonight. I will keep people updated to whether I find a solution.

 

Thanks to everyone for your help though.  

If only we all could afford 8 SSD's in Raid 0  :wub:

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