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First, we must determine if the problem is with the speakers themselves, or with hardware or software of the computer. Try plugging a set of headphones into the audio out jack of your system (often times, this will be a green colored jack). Play sound on the computer while listening to the headphones, can you hear the sound? If so, the problem is with the speakers, otherwise, you need to troubleshoot software/hardware of the system. Another method would be to try plugging these speakers into the headphone jack on an mp3 player, mobile cd player, stereo, or similar device. Aside from the system not putting out sound, the speakers could be plugged into the incorrect jack on the system (not audio out, OR not audio out on the correct device), or turned all the way down.
Plug your headset to theearphone
jack (if installed) of the TV.
If you canhearthe sound there, the fault may due to
speakersor the earphone jackitself. Faulty internal speaker
may replaced withnew setsto back your sound to normal again. If
the earphone jack was faulty, you maysprayit first with electricalcontact cleanerwhileinserting and pullingthe headset plug into it for one
minute tocleanthe contact. If nothing happens, this
jack need to replaced with new one.
If you can't hear the sound after inserting your headset, this is
an indication that theaudio
circuitrywas gone bad. The
most common caused of this trouble was the faultysound IC(mounted in heatsink).
This is the oneconvertsthe audio signal to sound and feed to
your speaker's. I would advice you to look for a qualified technician to check
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).
Several things must be in place to hear sounds on your pc. You must have speakers - the kind you not only plug into your pc but you must also plug them into your wall to have a louder sound. OR --- you can use head phones. The headphones plug into your pc sound card.
You must have a sound card or onboard sound
You must have a sound card DRIVER.
These three things and some reading will get you going
You have connector problems- probably bad/bent/worn "jacks" in the speakers or they may be dirty (oxidation, etc) or fatigued. If you can get to the Jack on the inside of the speaker make sure it is making good contact with the plug. Clean the surfaces using alcohol on a Q tip or cloth. Many of these type speakers are not serviceable.
Are you sure you have not done the volume mute. Check for the speaker cable if the pin is correctly inserted in the speaker jack. or try the method which is always handy . Go to Start + Programs + Accerories + System Tools + select System Restore , Remember you last heard the sound and restore .
Some TomToms ( especialy early ones ) are reported to have faulty speakers. Its most likely this is the fault on yours. Another problem particular to TomTom one is the external speaker jack on the base of the TomTom. Thsi jack socket also acts as a switch to turn off the internal speaker when and external one is used. When a plug is inserted it opens 2 contacts and they colse again after any plug is removed. If these contacts have remained open or been bent or become dirty this will cause no sound out of the internal speaker. However , there are routes the TomTom circuit uses to get sound to the speaker. One is direct ...... This is how you hear the TomTom Drums sound ...and the other is for 'most' other sounds , via the external speaker jack.
This gives us a possible check on any report of faulty sound as follows.
If you hear the TomTom drums OK , then this proves the speaker is OK too. BUT , if you hear no further sounds after the TomTom drums then it will be almost certainly be the speaker jack socket thats at fault.
u have a problem either on the speaker or on the sound amplifying circuit. signal coming from the earphone jack is not amplified. check the speaker first. if its ok then check the audio output ic(integrated circuit). good luck!