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No Input and Output Devices Found

Hello everyone,

I'm very lost and confused on how this happened all of a sudden. I've tried searching for a solution by reading community forum pages and watching Youtube tutorial videos, but nothing worked. I can't listen to the audio from my laptop unless I use Bluetooth wireless headphones. My laptop is fully updated - Windows 11.

I suspect that this is due to the missing drivers for Sound, video and game controllers in the Device Manager. I couldn't even find Sound, video and game controllers until I pressed "Show hidden devices". When I click on Realtek(R) Audio Properties, it said "Currently, this hardware device is not connected to the computer. (Code 45) To fix this problem, reconnect this hardware device to the computer". So, I added legacy hardware, and tried to install another Realtek driver. But, I was met with a blue screen with a " :( Your device ran into a problem and needs to restart..."

I don't know if this is related in any way, but I noticed that there's a warning symbol next to the Intel(R) Smart Sound Technology (Intel(R) SST) OED in the device manager. Device status is "This device cannot start (Code 10) The driver was not loaded because it failed its initialization call".

Please, I'm really desperate. Thank you in advance.

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Hi, I am Dave, I will help you with this.

From your description of the problem, you are missing some drivers on your laptop.

1
Right click your Start Button and open Device Manager, please provide a screenshot of that window.

2
Click your Start Button, then just type msinfo and press Enter, please provide a screenshot of the resulting System Information window.
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MSI GV72 - 17.3", i7-8750H (Hex Core), 32GB DDR4, 4GB GeForce GTX 1050 Ti, 256GB NVMe M2, 2TB HDD

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thank you for responding 😭😭😭

1. device manager

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device manager with show hidden devices

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2. system information window

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Thank you for that information, below is the support page for your laptop on the HP website, from there, donwlaod and re-install (not update) the version of chipset drivers, Audio drivers and Graphics drivers they provide for your laptop model.

https://support.hp.com/us-en/drivers/hp-pavilio...





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Standard Disclaimer: This is a non-Microsoft website. The page appears to be providing accurate, safe information. Watch out for ads on the site that may advertise products frequently classified as a PUP (Potentially Unwanted Products). Thoroughly research any product advertised on the site before you decide to download and install it.

.
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MSI GV72 - 17.3", i7-8750H (Hex Core), 32GB DDR4, 4GB GeForce GTX 1050 Ti, 256GB NVMe M2, 2TB HDD

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hey dave, i uninstalled Realtek(R) Audio and Intel(R) Display Audio and tried to install the first two below through Device Manager >Action >Add Drivers.

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result after i tried to install the first (kaby lake/whiskey lake)

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result after i tried to install the second (audio driver windows 10 v1903)

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i don't understand what i'm doing wrong

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When you download the drivers from the support page for your system, did you double click the file you downloaded to open the driver installer, there should be no need to install the driver from inside Device Manager.
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yes, i did. i received this.

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i placed them in a folder like the menu asked me to

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and this was what i received.

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following this, i tried to add devices in device manager. (i did the same for the audio driver windows 10 v1903)

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If you double click the HPSetup file in your screenshot, what happens, does that not automatically install the drivers?
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weirdly enough, nothing happens.

when i click on HPSetup, it brings me to the user account control where they asked me, "Do you want to allow this app to make changes to your device?". I press Yes option and nothing happens..............

Image

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Right click the file shown below and choose 'Run as Administrator', do you still not see a window for installing the drivers?

.
Image
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yup, i did exactly that. i got this,

Image

i clicked on Yes and nothing happened.

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Last updated April 16, 2025 Views 122 Applies to: