Question about HP FS492AWABA - Compaq dc7900 Convertible Minitower PC Desktop

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I am using vista business edition.if i connect the pc to an external stereo speaker i am getting only one channel sound out put.i changed the speaker and checked.for other speaker also same problem i

Hello sir i am john prince i bought one hp dc 7900 convertiable minitower pc. i am using vista business edition. here my problem is if i connect the pc to an external stereo speaker,the sound out put is coming through only in one channel. i went to control pannel and checked in sound option also.but there also i am facing the same problem. plese help me out in this problem. thank you

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Sometime on your right speaker there is left/right control, check that, double click on the speaker (bottom right) and see if the slide balance selector above the volume level is one way or the other. then go to your control panel and click on Sound and Audio Devices click on the speaker volume and if that's ok then check next to that is Advance, click there and in the drop down arrow box make sure Desktop Stereo Speakers is displayed, apply and ok. And finally, uninstall and reinstall the audio drivers (choosing the correct operating system)
http://h20000.www2.hp.com/bizsupport/TechSupport/DriverDownload.jsp?lang=en&cc=us&prodNameId=3785037&taskId=135&prodTypeId=12454&prodSeriesId=3784892&submit.y=5&submit.x=8&lang=en&cc=us&y=2&x=5
good luck and please leave rating....thank you

Posted on May 13, 2009

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Posted on Jan 02, 2017

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I am not able to hear the dialog while playing DVDs. The background is great and comes through all 5 speakers, however, to be able to listen to the dialog, I have to switch over to 2-channel or Stereo. ...


Well let me first ask is the center chanel working? or properly hooked up. Cause most of the times when in 5.1 the talking or "dialog" as you put it comes only through the center channel its just kinda how they do it. Listen to see if the center channel is working. if you are unsure try hooking up a speaker that you know works into the center channel speaker output. If no sound comes out then the reciever possible has blown its center channel. Please follow up with a comment and i will be glad to assist you further thanks, Midwes-tek

Sep 17, 2010 | Coby DVD765 Theater System

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I am trying to run the sound from my Packard Bell imedia x4520 computer through my Hifi amp. I think I have followed all the links on the PC regarding setting up the realtek sound for setting up external...


It sounds like the 3.5 plug is mono or the plug is not completely inserted in the computer jack (push it in until you do not see any more of the contacts). I connected one of my computers to my stereo receiver and used a splitter so I could use both my computer speakers and the stereo without disconnecting any cables. First make sure your 3.5 jack looks like the one in the link with three contacts and two insulators (the black plastic piece).
http://www.cablestogo.com/product.asp?cat_id=2009&sku=40421#
If you see only one insulator and two contacts it is mono and the second channel will be shorted out.
I would recommend using the Front Line Out which is a pre amp output into your auxiliary input on your home amplifier. If you use the headphone jack you may have clipping of the signal causing distortion.
Use the cable similar to the one in the link below or you can purchase one at Lowes or Target.
http://www.cablestogo.com/product.asp?cat_id=2009&sku=40427#
Plug the splitter male jack into the into the computer Front Line Out and the computer speakers into one female jack.
Second connect an 3.5mm to RCA stereo patch cord to the other female jack of the splitter. If you have a 3.5mm to RCA mono purchase one similar to the link below.
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Imic mon only-left channel is all that is seen


Audacity with Griffin iMic under Vista

There is limited and conflicting advice on the web about whether the iMic audio-usb adaptor can be used with Vista (for those who discover that new laptops commonly lack a stereo line-in port, and seek some way to use Audacity as described in the tutorial on capturing music files from vinyl, tapes etc).

In my case at least (Vista business 32 on a Thinkpad X200 with inbuilt Conexant Smartaudio 221 soundcard), it could be made to work as follows:

1. Plug the iMic device (iMic2 in my case) directly into a usb port on the computer. Allow the automatic loading of drivers by Vista.

2. Via control panel or right-click on the speaker icon in the system tray, access the Vista configuration for Sounds.

3. In the Recording tab, you should now see the added iMic usb device (probably designated as a microphone). The default set-up seems to be mono - so you need to make this change for this device: select Properties, Advanced, "2 channel...44100 Hz... CD quality".

I also disabled the built-in laptop microphone so there would be no chance of it interfering with recordings (or software conflicts?) - not sure if this is relevant but easy to test in the event that you strike a problem.

4. In the Playback tab, decide what you want as the default speakers.

The default seems to become the usb adaptor, but I changed back to the built-in speakers for monitoring - not sure if this is relevant but easy to test in the event that you strike a problem.

5. In Audacity (1.3.6 beta in my case): under Edit, Preferences, Recording, choose the iMic device and stereo. Project rate at bottom left of screen should match the quality chosen in Vista set-up for the device (44100 Hz).

6. While in Audacity, Edit, Preferences, Playback, choose the desired speakers (the built-in laptop set in my case) and click "Software playthrough" if you want to monitor what is being recorded (with a slight delay).

7. Immediately testing the set-up to record generated an Audacity "error while opening sound device". This only seemed avoidable by going back to mono settings in various places. BUT all is not lost...

8. Reboot! (With the iMic device connected in my case - not sure if this is necessary.) Ta-da ... all now works as desired for stereo recording. Use the same usb socket for the iMic in future, or you will have to repeat the set-up for each usb socket.

9. The Audacity volume sliders do not work under Vista, but you have several options to adjust recording volume:

(i) Use the slider under the Vista configuration for Sounds, Recording, iMic, Properties, Levels. For me this introduced a lot of hum at high settings, so I recommend keeping it below 5/100.

(ii) Use the iMic slider switch in the Mic position rather than the Line position, and fine tune as in (i) above. For me this gave the lowest background noise/hum.

(iii) Use the headphone out from your hi-fi amplifier and control volume there. This gave more background noise for me.

10. Keep the iMic device away from power supplies (it can pick up hum) and any source of vibration (if you tap it you will see a spike in the signal) while recording.

If you get hum, check whether it is from your laptop power supply (unplug and record using the laptop battery to see if the hum disappears). In my case there was unbearable hum from an iGo Juice supply, but much less from the Lenovo power brick.

After all that it is just about as good as my old Thinkpad X31 which has an inbuilt line-in socket and Soundmax audio card under XP.

With any luck the same approach will help with other ‘new, improved’ (but lacking line-in) Vista computers.

Aug 15, 2009 | Apple Griffin iMic External Sound System

3 Answers

Good picture, no sound. you can turn the tv on and off and eventually the sound will come on? tried bypassing the hd digital box, still didn't work.


hi first of all u should check ur transistor connections.Check your Horizontal and vertical output transistors.You should also check the horizontal and vertical yoke connections as well as your low voltage regulators.... if any of these got damaged u should purchase a new one.. but try to purchase with the help of a tv service assistant...thank u!!!
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Jun 11, 2009 | Sharp Aquos LC-37G4U 37 in. HD-Ready LCD...

1 Answer

Optical out


I think it depends on what software you are using to play the 5.1... VLC lets you, PowerDVD and WinDVD also do there my be some tweaking needed to get them to sound good though.

May 03, 2008 | Creative Labs SB0270 External Sound System

1 Answer

Sound problem


Hi,

I have a creative SoundBlaster LIVE! 24 Bit External Sound Card and this annoyed me for weeks.

depending on your surround sound reciever depends on the solution.

i have an Acoustic Solutions surround sound system with coxial and optical inputs, aswell as stereo red & white jack inputs.

not knowing the method or connection your using makes it difficult to give you a single solution so i'll list a few.

The soundblaster software shoudl include the Creative Audio console with all sorts of effects, one is CMSS (CMSS-3D) Stereo widening which is still stereo but gives a surround sound effect.. but i'm guessing you payed for 5.1 and you want 5.1 onto the next part

5.1 surround sound can only be produced when the actuall audio your playing contains 5 channels of audio, for example you cant play a stereo song in 5.1 surround sound without some sort of hardware or software sound manipulation. Luckily my surround sound system has Pro Logic II built in and some other effects which convert a 2.1 signal to a 5.1 signal and it works brilliantly. I'm not sure of a software alternative.

setup for your soundcard will be different under XP and Vista also, but there should be a properties option for your sound device where you can select your speaker setup such as headphones, built in speakers, 2.1 speakers, 5.1 speakers, 7.1 speakers and you should be able to manage this from the creative software.

If using Coxial / Optical or SPDIF under vista you MUST set the playback device as SPDIF, at least you have to with my sound card and drivers and seems to be a limitation of the actual sound card drivers for vista.

Personally i was looking forward to hearing the windows login melody in 5.1 surround sound too, but this doesnt happen.

Infact i find that almost all programs bar a few will not play Dolby Digital or DTS 5.1 surround sound via any or my output options hence the next solution..

if you have the 5.1 sound but winamp simply just plays it in stereo try the following.

You need to use DirectSound Output:

Preferences (Ctrl-P) > Plug-ins > Output > Select "DirectSound Output"

That should work in most cases, but if not, then:

Checkmark: "Allow hardware acceleration" in DirectSound Output config,
and make sure your sound card/chip is selected as Output Device.

Note that any changes will take effect only after playback is restarted.
In some cases, a Winamp restart is required.

If that doesn't work make sure you have the latest version of DirectX
(v8.x or higher is required)

Winamp 5.25/5.3 and higher:
For actual multi-channel files (ie. aac/wav/ac3/ogg/wma files encoded in 5.1ch surround, as opposed to standard 2-channel stereo mp3's), you need to checkmark "Allow surround sound" in 'Winamp > Prefs > Playback' for the music to play in its original 5.1 channel format (Note that this setting is checkmarked by default).

Windows Vista:
In addition to the above instructions, Vista users will also need to go to:
Control Panel > Sound > Playback tab > Speakers > Configure:
Select: 5.1/7.1 Surround.
Then:
Control Panel > Sound > Playback tab > Speakers > Properties > Enhancements tab
and checkmark "Speaker Fill"

Hope this helps

Anthony Kinson

Apr 22, 2008 | Audio Players & Recorders

2 Answers

Built in speakers don't work.i have sound only when i plugg the headphones


Looks like there is some problem with the stereo headphone connector. As its a hardware issue, I would recommend sending it to the service center.

You may also use external speakers temporarily.

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2 Answers

Trouble with Speaker 5.1 +Vista + Asus P5k Motherboard. No Rear Speaker sound


Hi Perseo,


If you run through a speaker test in windows, and hear playback from all 5 speakers and the subwoofer, then your system is correctly connected, and working properly.

Vista uses a layered sound system that renders sound a bit differently than what you're used to on your previous system. As a result, it will most often refuse to project stereo sources in 5-channel surround, on it's own. it will just play them as stereo, and the bass will fill in whenever it can.

One possible way you could use to get around this, is to force the system to use all 5 speakers, through the driver. If you're using a realtek onboard card anything like mine (I have a p5k-VM board myself), this can be done by opening up the HD Audio Manager, and selecting the "Speaker Fill" option, under the Speaker Configuration" tab.

another option would be to load your media player you use to play music or movies, and see if there's an option to change speaker settings within the programs.

hope this helps!

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2 Answers

Audio connection


Did you go into menu and change settings to variable output?

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