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Windows 7: Realtek Digital Output option disappeared

18 Jul 2012   #1
sanstour12

Windows 7 x64
 
 
Realtek Digital Output option disappeared

Hi,

I have a Samsung laptop (Windows 7 x64, Realtek) connected to a TV via HDMI cable (audio over HDMI). Some time back, I had got HDMI Audio option (in Control Panel -> Sound) disabled so that I could use Realtek Digital Output (via headphone jack to Coax on my receiver) and it worked fine. Recently I played with these settings again due to change of receiver. I actually cant recall what started the problem, but Realtek Digital Output has disappeared. I have got 'show disabled/disconnected' option on but that did not help. The analog output (also Realtek) continues to show.

I rolled back, uninstalled, re-installed the Realtek HD driver a few times, but nothing has brought the Digital Output option back. I have seen a few posts on this issue, but have not seen any solution.

Thanks in advance.
Ed


My System SpecsSystem Spec
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18 Jul 2012   #2
fireberd

Windows 7/10 64 bit
 
 

Uninstall the Realtek in the Device manager, but DO NOT check the box to uninstall the drivers. Then restart the PC and when Windows starts it will detect and reinstall the sound. This fixes a lot of flakey problems and may take care of the missing Digital output.

However, one thing - on my Realtek, I have a separate Digital output connection, I don't use the digital out via my headphone out as you state - which is Analog and not Digital.
My System SpecsSystem Spec
18 Jul 2012   #3
sanstour12

Windows 7 x64
 
 

I have reinstalled Realtek HD drivers a few times but dint help.
My System SpecsSystem Spec
.

18 Jul 2012   #4
fireberd

Windows 7/10 64 bit
 
 

My suggestion is NOT reinstalling drivers. Its actually reinstalling the device. Go to the Device Manager (hold the Windows key down and press the pause/break key, when the Panel comes up Device Manager can be accessed from the task list in the upper left of the Panel), RIGHT click on the entry for the Realtek to highlight it and then LEFT click "Uninstall" DO NOT check the box to uninstall the drivers. Restart the PC and when Windows starts it will detect and reinstall the device. If there is any corruption in Windows for the device this will usually fix it.
My System SpecsSystem Spec
18 Jul 2012   #5
sanstour12

Windows 7 x64
 
 

Does anyone know how to do a proper clean install of Realtek. After uninstalling the driver, still have so many registry entries. Is there a way to clean up totally? That may solve this problem.
My System SpecsSystem Spec
18 Jul 2012   #6
fireberd

Windows 7/10 64 bit
 
 

From your comments you have ignored my uninstall/reinstall suggestion. That is a very real troubleshooting step in trying to resolve device problems.
My System SpecsSystem Spec
18 Jul 2012   #7
sanstour12

Windows 7 x64
 
 

fireberd, I felt I had followed your steps, but I might have uninstalled driver too. I will try it again with exactly the same procedure as you described.

One observation though. The HDMI Audio option appears only when I connect the HDMI cable. However, Real HD Audio (analog) option appears with no connection too. When I connect an RCA cable into the headphone jack (it's 3.5mm to RCA splitter), then there is a connection notification in the taskbar. I wonder how Windows 7 detects whether I need analog or digital connection at this point as it continues to show the same Realtek HD Audio (analog) option.

Nonetheless let me try repeating the steps of uninstalling the device and report back if any issues.
My System SpecsSystem Spec
19 Jul 2012   #8
sanstour12

Windows 7 x64
 
 

Fireberd, I uninstalled the device, w/o uninstalling the driver, but this did not bring the digital output back.
My System SpecsSystem Spec
19 Jul 2012   #9
fireberd

Windows 7/10 64 bit
 
 

OK. But, that step was needed. If there were a corruption in Windows for the Device that fixes that. And, as mentioned that fixes a lot of flakey problems.

Exactly what is the model of the Samsung?
My System SpecsSystem Spec
20 Jul 2012   #10
sanstour12

Windows 7 x64
 
 

My System SpecsSystem Spec
Reply

 Realtek Digital Output option disappeared




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