Question A problem with the speakers after reinstalling windows 10

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AlaaLU

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Mar 22, 2021
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I took my PC to someone to reinstall the windows, everything was fine when it came back but my speakers didn't work
it shows that it's connected and my headphones work fine, but no sound when I switch from headphones to speakers.
I thought the speakers were faulty and bought a new one but the same problem still happened.

I looked up some solutions but it didn't work still.
Does anyone know what the problem could be?
 
There's a VERY common cause of this problem IF you have a video card installed in a PCIe slot. If you have one of those AND your Speakers are plugged into the green 3.5 mm socket on the back plate of your MOBO, here's the explanation and fix.

Almost all video cards that you can add in a PCIe slot these days have (among others) an HDMI output port. Unlike earlier video systems, HDMI also has sound signals on some of its wires to feed directly to a monitor if it has speakers to use. Now, there has never been a way for the sound generated by a mobo audio chip to be forwarded to a video card like that so it can be sent out on the HDMI port. To solve that, virtually all such cards have their own sound chip to feed that signal out, and the device driver software the for that video card actually is TWO drivers - one for video, and another for audio. This means your computer actually has two different audio output systems available.

No matter how many such audio systems you have, Windows can use only one of them at a time, and YOU get to tell Windows which one you want used. The trick here is that, when Windows was re-installed, the techs also would have installed the drivers for the video card, of course. The install tool almost always then changes Windows to use that audio output system in the video card (via the HDMI cable), and NOT use the sound chip on your mobo that feeds its output to the rear panel 3.5 mm sockets. So all sounds made by Windows are NOT going out to your rear sockets, and any Speaker plugged in there gets nothing.

YOU can fix this easily. In the search window at bottom left type in Sound Settings to open up that window. Its first item is the Default Sound Output Device, and there's a drop-down window to choose from. Click on that and I bet it shows you the Realtek system on your mobo PLUS another system with a name like your video card. Choose the Realtek mobo system. You may also have to tell it that it is feeding speakers. Back out to the main screen and try your system for sound on the speakers plugged into those back sockets.

If you still get nothing there is one more obscure thing to try, so post back here.
 
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boju said:
What connection type does your headphones use and where is it plugged? And how are you switching between them?

Any idea what your motherboard is?
Click to expand...
It's a Bluetooth headphones, I'm switching between them from the audio icon on the taskbar on the bottom right
my motherboard is ASUS X570 TUF GAMING PLUS
 
Paperdoc said:
There's a VERY common cause of this problem IF you have a video card installed in a PCIe slot. If you have one of those AND your Speakers are plugged into the green 3.5 mm socket on the back plate of your MOBO, here's the explanation and fix.

Almost all video cards that you can add in a PCIe slot these days have (among others) an HDMI output port. Unlike earlier video systems, HDMI also has sound signals on some of its wires to feed directly to a monitor if it has speakers to use. Now, there has never been a way for the sound generated by a mobo audio chip to be forwarded to a video card like that so it can be sent out on the HDMI port. To solve that, virtually all such cards have their own sound chip to feed that signal out, and the device driver software the for that video card actually is TWO drivers - one for video, and another for audio. This means your computer actually has two different audio output systems available.

No matter how many such audio systems you have, Windows can use only one of them at a time, and YOU get to tell Windows which one you want used. The trick here is that, when Windows was re-installed, the techs also would have installed the drivers for the video card, of course. The install tool almost always then changes Windows to use that audio output system in the video card (via the HDMI cable), and NOT use the sound chip on your mobo that feeds its output to the rear panel 3.5 mm sockets. So all sounds made by Windows are NOT going out to your rear sockets, and any Speaker plugged in there gets nothing.

YOU can fix this easily. In the search window at bottom left type in Sound Settings to open up that window. Its first item is the Default Sound Output Device, and there's a drop-down window to choose from. Click on that and I bet it shows you the Realtek system on your mobo PLUS another system with a name like your video card. Choose the Realtek mobo system. You may also have to tell it that it is feeding speakers. Back out to the main screen and try your system for sound on the speakers plugged into those back sockets.

If you still get nothing there is one more obscure thing to try, so post back here.
Click to expand...
Thank you very much for the explanation, my output drop window shows
1. Digital audio (S/PDIF)(High definition audio device)
2.Speakers(High definition audio device)
3.Headphones
I choose the Speakers like I used to before the Windows update but still not working.
is there a step I missed after choosing the output?
 
Watch the playback devices window as you remove the 3.5mm audio jack from the rear. Does it say speakers unplugged as you do that?

And what about the volume graph, are there any fluctuating green bars when you play something?
 
boju said:
Watch the playback devices window as you remove the 3.5mm audio jack from the rear. Does it say speakers unplugged as you do that?

And what about the volume graph, are there any fluctuating green bars when you play something?
Click to expand...
yes it says unpluged in when i removed just the 3.5mm
and it shows green bars when something is playing, but no sound
 
OK, so you do not have a video card in a PCIe slot, and all audio is being generated by the mobo's Realtek system. So here is the "obscure thing" I suggested above.

Realtek uses a system called "Port Re-assignment" to give you flexibility in what you plug into the 3.5 mm sockets on the back panel. The one coloured light green normally is used for front Left / Right stereo sound, like speakers, but it could be re-assigned by you if needed. Realtek builds in a system for allowing this, but it can cause your problem when you disconnect your speakers.

Get your system working and verify the speakers are not making sounds. You need to position things so you can access those back panel plugs and see your screen and keyboard. UNplug the speakers and watch for the screen about that, which will probably disappear. Reboot the system so it knows the new status. Now plug the speakers back into that light green port (I assume that's what you want to use). Watch immediately for a screen that pops up to say it detected a new device plugged into that port, and asks what that device is? It will suggest what that might be, and probably it is correct and says speakers. But you can NOT simply let it make that assumption. You MUST actually respond by clicking on YES or making a change first. If you do not respond, it does NOT assign that port for speakers and will NOT send any signal out of the port! So confirm you just plugged in your speakers before the little window disappears. Now try for sound.
 
Paperdoc said:
OK, so you do not have a video card in a PCIe slot, and all audio is being generated by the mobo's Realtek system. So here is the "obscure thing" I suggested above.

Realtek uses a system called "Port Re-assignment" to give you flexibility in what you plug into the 3.5 mm sockets on the back panel. The one coloured light green normally is used for front Left / Right stereo sound, like speakers, but it could be re-assigned by you if needed. Realtek builds in a system for allowing this, but it can cause your problem when you disconnect your speakers.

Get your system working and verify the speakers are not making sounds. You need to position things so you can access those back panel plugs and see your screen and keyboard. UNplug the speakers and watch for the screen about that, which will probably disappear. Reboot the system so it knows the new status. Now plug the speakers back into that light green port (I assume that's what you want to use). Watch immediately for a screen that pops up to say it detected a new device plugged into that port, and asks what that device is? It will suggest what that might be, and probably it is correct and says speakers. But you can NOT simply let it make that assumption. You MUST actually respond by clicking on YES or making a change first. If you do not respond, it does NOT assign that port for speakers and will NOT send any signal out of the port! So confirm you just plugged in your speakers before the little window disappears. Now try for sound.
Click to expand...
Thank you very much, it worked!
I appreciate it!
 
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