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Windows 7: Realtek Audio not detecting analog inputs

23 Mar 2011   #11
Brandon Hill

Windows 7 64 bit Home Premium

I meant the sound had been working then suddenly stopped never to return. The rear audio jacks are very firmly connected to the motherboard, as is the microphone jack. I would provide a snippit but i do not know how. However, my headphones are definantly turned on and up, as is my speaker audio.

My problem is exactly as the origional poster stated.

My System SpecsSystem Spec
21 Aug 2011   #12

Windows 7 Professional x64
Please help

I am having the same issue as the other users posted so far and the only suggestion that was ever posted was to secure the connections...

OK, so to reiterate what was already said, I cannot enable the rear audio jacks on my Windows 7 Pro x64 system because it is not detecting that I've plugged anything into it.

Is there a way to trick the system into thinking that the jacks are plugged in so that I can push audio out of the rear panel?

I know this is the issue, as the front mic jack and headphone jack works and so does the rear optical out on the same speaker setup and wiring. One bit of information I did not mention is that I'm only plugging three of the possible 5, 3.5mm jacks into the rear panel. This shouldn't matter though should it? I only have a 3 jack speaker system and a 5 jack (+1 for the mic) audio card.

I'm hoping I do not have to go out and replace my sound card, or my computer speaker system. Is there any way I can go through the setup wizard again or something to get this working? It worked previously on Vista, but when I upgraded to Windows 7 Pro, it stopped.
My System SpecsSystem Spec
21 Aug 2011   #13
Genny Justice

Windows 7 Home Premium 64 bit

For what it's worth, I ended up buying a sound card and threw it in. The manufacturer advised me to RMA but I didn't want to go through the hassle.
My System SpecsSystem Spec

22 Aug 2011   #14

Windows 7 Home Premium 64 bit

With the Realtek jack detection, the trick is to remove all connections and insert one connection at a time.
Once the connection has been recognized by the software, press OK. Go on to the next connection and repeat until everything is detected.

Usually just going through the jack detection process, will clear things up for most people.
My System SpecsSystem Spec
26 Jun 2012   #15

Windows 7 64-bit

I think I have a solution. I was having the same issue. Only digital outputs were showing as options, and analog outputs were greyed out showing no device in and wouldn't auto-detect. Perusing the internet, I finally found a forum suggestion that worked. Full disclaimer here, I know editing your registry has it's hazards, and I essentially just followed someone else's instructions and trusted them (well, plus others had said it worked). Please do so at your own risk. Here is the post from jdneff at the HP forums (I would rather he get credit, since I'm just passing on the solution):

I was having quite similar problems and was finally able to resolve it.

Something seems to be completely borked with the realtek drivers regarding automatic jack detection.

After attempting to use the method described here (easier if you can) Vista and Realtek Front Panel Audio not working – Solution freeweelee, I discovered that I was completely unable to shut off the jack detection in the Realtek audio manager (no folder icon).

For those of you who (like me) have no folder icon, I managed to find another way to disable the jack detection.

Using the registry editor, find all instances of ForceDisableJD and change the value from 00 to FF.

After making sure I got all of them, I was able to reboot and everything works fine now.
I did as he suggested (had 4 or 5 instances), reboot, and everything is working perfectly! I hope this works for you too. It seems there are a lot of unresolved instances of this problem on forums.
My System SpecsSystem Spec
22 Aug 2012   #16

Windows 7 Home Premium 64
Sound fun

Well, nobody has written anything in this forum in quite some time, but I've made a bit of progress in this realm, so I thought I'd post it. I had this same issue and went bonkers trying to fix it for hours. I tried drivers, bios settings, system settings, default sound devices, even looked at the motherboard thinking I might see a frayed lead or broken solder point or something, but nothing worked. Finally I just started clicking on things, and found a setting that doesn't FIX the situation, but allows you to get sound again.

Here's my take on the situation. Your computer has (had) the ability to watch your jacks and determine when something has been inserted into them. The Realtek HD Audio Manager uses that input to inform you (quite helpfully?) that you have just inserted or removed something from an audio jack. It also uses this information to determine which devices you're using, and to limit your options when it comes to settings and control panel tabs, apparently so as not to confuse you by allowing you to make changes to device profiles that aren't currently plugged into your computer.

Here's the issue, this functionality likely relies on the detection of very small amounts of electricity being run through the jack...the plug completes a small circuit that signals the motherboard that something has been inserted...which is fine unless a larger jolt of electricity makes its way to that sensitive detector and fries the thing out. I can't guarantee that this is what's happening, but it makes sense. Anyway, now that your computer can't detect input changes, it also assumes you don't have anything plugged in, ever again.

In the past, again, this would be no problem...headphone jacks are just simple metal to metal to connections, so as long as nobody tried to get fancy with the software, you'd be fine, but wait, they did. In this age of wonder, if that very fragile piece of technology goes bad (mine lasted about a year, the same length of my Dell warranty) the Realtek software basically shuts down your jacks. There really isn't a fix for the detection as far as I can tell, not without replacing your sound card or motherboard. However, Realtek doesn't have to check the detection status to just play sound through the darn device, but they sort of hide the option. In the realtek audio manager (mine shows up in the system tray as a little orange speaker icon) there is an unlabeled icon that looks like a folder. It doesn't even look like something you should be able to click on, and what the heck does a folder have anything to do with sound, your audio devices, or front panel jack detection? Nothing, that's what. You'd never know that if you click on it, there is a single checkbox option within to "Disable Front Panel Jack Detection", but there is. Go in there, check the box, and Realtek will no longer rely on this broken detector to populate your Microphone and Speaker panel tabs, and you'll be able to get sound again. I know some of this was hinted at in other posts, but there it is. I hope this will save SOMEONE, SOMEWHERE, the anguish of smashing their head against their tower for half a day, but if not, I still feel better
My System SpecsSystem Spec
22 Aug 2012   #17

Windows 7 Home Premium 64
Sound fun II

Oh, and I DO use the rear panel, not the front, but it didn't matter, no sound came out of either end until i turned off *front* panel jack detection.

My System SpecsSystem Spec
15 Apr 2013   #18

Windows 7 64bit

"You'd never know that if you click on it, there is a single checkbox option within to "Disable Front Panel Jack Detection", but there is. Go in there, check the box, and Realtek will no longer rely on this broken detector to populate your Microphone and Speaker panel tabs, and you'll be able to get sound again. I know some of this was hinted at in other posts, but there it is. I hope this will save SOMEONE, SOMEWHERE, the anguish of smashing their head against their tower for half a day, but if not, I still feel better " - Benno

Benno, my man, you have no idea! I just spent 2 hours brainstorming my butt off trying to find out the problem. I did everything! I reinstalled the software for my motherboard, updated the drivers for my soundcard a hundred times. I even checked this box before (the disable front panel jack detection) but didn't test it right after, cause i assumed it wouldn't work. Well, I decided to give it another go (what the heck right) and wow, it worked. Thanks so much for your post... you saved me a lot of grief. P.s. I know this post is old, but I just wanted to say thanks!
My System SpecsSystem Spec
08 Jul 2013   #19

Windows 7 Ultimate

A Google search has found literally 100's with the same problem and no real solution. One forum person said he had contacted Asus and they screwed up the BIOS big time. They allegedly were looking for a solution. Question is why are they allowed to sell MOBO's that are faulty
My Asus board goes back and I will go get a Gigabyte board. At least they work
My System SpecsSystem Spec
14 Jul 2014   #20

Win7 Home 32/64 bit

Congratulations to Benno! His solution worked like a charm for me, too! :-)
My System SpecsSystem Spec

 Realtek Audio not detecting analog inputs

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