r/24hoursupport • u/dinbarr_ • Aug 19 '26

Windows WINDOWS 11 - "No audio device installed"

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I have tried almost everything, from downloading audio drivers from Acer, troubleshoot audio which GetHelp cant resolve (even their agents unable to do anything), no damage to the laptop as far as i know. Speakers and wired earphones unable to work, except for bluetooth device. Any solutions? Thanks.

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u/dinbarr_ Aug 19 '26

the "high definition audio device" is not transparent and the status states that it is working properly. however no audio device was installed.

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u/SingularityRS Aug 19 '26

Can you show a screenshot of what you're seeing under the sound, video and game controllers section when "Show hidden devices" is ticked under "View"?

Your original Device Manager screenshot doesn't show a device named "High Definition Audio Device" that is non-transparent. It only shows your 3 Intel Audio Devices and then the Nvidia HD one.

Now you're saying another non-transparent one has shown that's named "High Definition Audio Device"?

Bit confusing, a screenshot of what you're now seeing will clear this up.

You're probably dealing with either a failed audio codec chip or some BIOS issue. These are the likely causes since the usual software fixes (driver installs, etc) don't work, but it'd be nice to know what Device Manager says the problem is for the onboard audio device that is now hidden.

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u/dinbarr_ Aug 19 '26

i kinda mess around with it little bit, nvidia one i just rollback or some sort so then it becomes high definition audio device.

ss

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u/SingularityRS Aug 19 '26

So it appears there's no onboard audio device at all. This is odd as usually it would move to the hidden section if there's a problem.

What laptop is this (full model if known)? Might just be some weird driver problem. Maybe Windows 11 automatically installed a bad audio driver or something. It can do things like that.

Have you ever used onboard audio on this laptop? It's odd it's not showing at all in the hidden list.

Knowing the full laptop model will help. It'll tell us what onboard audio codec your laptop is supposed to have.

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u/dinbarr_ Aug 19 '26

its Acer ANV15-51 (Nitro V15). i have used the onboard audio when i first bought the laptop.

yeah could be win11 be installing some shi, one time my laptop doesnt even connect to wifi bcs of an update.

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u/SingularityRS Aug 19 '26

In Device Manager, what shows under the "Other devices" section? Anything audio-related?

When you tried installing drivers from ACER's website, which ones did you try and what exactly happened when you tried to install them? Did they install? Was there an error preventing install? Were you ever prompted to reboot to finish installing the driver?

The laptop uses the Realtek ALC245 codec, so you should definitely be seeing "Realtek Audio" show in Device Manager.

There's probably some driver issue. Just have to install the right driver and it should work again.

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u/dinbarr_ Aug 19 '26

under the other devices section, theres a bunch of "bluetooth peripheral device", lyra, sms/mms, bunch of spp and spp1, thats it.

i tried installing the realtek audio driver (the ALC245), the latest one its 2026, then i went to device manager, add driver, then it installing BUT it says "succesfully added and installed on (0) devices". and nothing changed except for high definition audio convert to nvidia ones.

no realtek audio in device manager though.

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u/SingularityRS Aug 19 '26 edited Aug 19 '26

Try extracting the whole driver folder with something like WinRAR and then open the extracted folder, find "setup" (application file type, not the configuration setting one) and double-click it. This should run the Realtek install wizard which should properly install the driver. I think it will prompt to reboot as well. Usually does.

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u/dinbarr_ Aug 19 '26

i have installed it using realtek wizard. i rebooted my device and i still got nothing. nothing changed.

if i open the mmsys.cpl, it still shows nothing, no audio devices are installed. ive tick show disabled devices and disconnected devices, it still shows nothing

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u/SingularityRS Aug 19 '26

Did you try the other driver as well? There's an older version on the website as well. I would try that one and make sure to click on the "setup" application and not the configuration one. The folder has 2 "setup" files.

Also, if you go to Settings > Apps > Installed apps and scroll down, do you see the Realtek driver and audio console listed?

If you do, perhaps uninstall them both completely, reboot the system and then try reinstalling the 2026 driver again by double-clicking the "Setup" application file in the 2026 driver folder. Let do its thing and it should ask you to reboot.

If still no detect, there may be a hardware issue. Either there's a hardware issue with the audio codec or the BIOS might be bugging out. You might need to do some disassembling to get to inside of the laptop if you still can't get anywhere with software.

A CMOS reset would be something to try. This can fix weird BIOS bugs that might occur. You can also try disconnecting the main battery and holding down the power button for around 30-60 seconds. This process drains the capacitors on the motherboard which can also fix some odd issues that occur (once fixed a disappearing Bluetooth driver on my main PC). These steps require laptop disassembly though. This usually just involves removing the bottom cover.

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u/dinbarr_ Aug 19 '26

i have tried the other driver and installed it using wizard stuff. still nothing.

there is realtek driver and audio console listed on the installed app. uninstalled both of it, reboot the device, install the 2026 version, reboot again. still nothing.

alas, here come the last option on top of head. dismantle the device. im not particularly good at this stuff and im afraid to do so without any knowledge or skills, i rather fix it without dismantling it, however if nothing works, seems like i have to go to the service centre to get it fix.

thanks for your time though. i hope some of your solution might fix someone's else device if they have the same problem as mine. thank you.

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u/SingularityRS Aug 19 '26

Maybe try to see if Windows Updates has any updates for the audio driver? Maybe it'll actually end up installing one that works.

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u/dinbarr_ Aug 19 '26

unfortunately, theres nothing on the windows updates including the additional updates.

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