I usually connect my system to amplifier out put ports to record songs and presentations we do locally. There was one that i connected the system to and since that day I have no sound coming out of my speakers, and it's not possible for me to get any sound from my head phones or line in or Mic imputs. The 3 sound ports and the speakers on my Aspire 5610-4648 do not function.
Every possible system driver and Windows Vista Window on sound indicate that sound is coming out of my speakers, but none of us can hear it. Help me please. I haven't had this sistem for up to one month and it was a gift.
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Re: Sound from my speakers
Sounds as if when you connected the recording device may have finnished off the already faulty jack on the PC. Now the PC thinks something is attached but there really isnt. Take it in where it was purchased for repair or replacement.
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Check the switches phones-speaker, check the connectors between the speakers and the amplifier, try to connect the speakers to some other amplifier to detect where is the problem , in speakers or in the amplifier.
The hiss is caused by the autooscillation of the internal amplifier. To fix that you will need to install some additional filtering capacitors on the power lines, a high frequency filter at both the input and the output of the amplifier (basically just a 100nF capacitor put in series with a 10ohm resistor between the in/out and the ground) and a new routing of the internal cables. Also check a ground loop on the cables.
Speakers, connecting cables and Sound Card are working fine by connecting to another computer.
If the connection ok increase your volume and open the cable from the pc. Now you will touch the stereo jack, can you can listen a sound when touch the jack. If you will not get any sound, think there is the problem in your amplifier or audio system has not any voltage. To confirm the voltage check by multi miter or can go any local Technician .If the voltage is ok, think your sound system defected and should go to Technician.
If your sound system is ok
Speaker Cable connect to an audio port (Audio/Video port in system box).
This device is used to connect the speakers out puts to an amplifier.
Usually a car stereo speakers are high volume out puts and it can damage the sound (distortion) at the time to connect an amplifier so the best way with less distortion is hooking up this device to low the volume and get a clean sound to be amplified
It sounds like you may have a ground loop issue. I'd start by checking all the power and ground connections. Then disconnect the RCA wires from the amplifier. If the hum goes away then you should try grounding the stereo to a better grounding point, the factory grounds are usually not very good at all. Then try it again, if it is still there try replacing the RCA"s.
i) try somother headset(if you have spare ones...with u), if prob still exists there must problem with sound port(inbuilt sound on your laptop) which is not allowing the wire or chord of your headset to completely plugin to your laptop sound port.....
it is like this connecting wire is paritally inside your laptop sound port and partially outside and leading to sounds from both laptop speaker(builtin) and the headset you are connecting.....
I had exactly the same problem and followed the OP's solution, which worked, but I couldn't hear the track as it was being recorded. So I tweaked the solution. If you do the following, you don't have to keep changing System Preferences as you switch from record to listening:
Go to System Preferences, press the Sound icon, and click on "Sound Effects." Then select the drop down menu and select "Play alerts and sound effects through selected sound output device" rather than the USB choice. Then click on "Output" and select how you want to listen; I used speakers so I selected "Headphones" where the port is "Built-in audio." Then click on "Input" and select the USB choice. Now record a track and you can hear it being recorded through your speakers (or headphones). When it's done recording and after the software transfers it to iTunes, you can play it again through your speakers without going to the preferences panel.