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No sound, no power; I checked all connections

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Change the power supply cord, but if doesn't work then change power supply. Thank you

Posted on Nov 11, 2008

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Posted on Jan 02, 2017

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3 Answers

No sound


Possibly an internal power supply failure

Nov 10, 2013 | Polaroid Televison & Video

1 Answer

Woofer stopped working


Hi,
If power problem then change power socket. If power come then may be sound plug problem so you check it. If power ok, then not correct connect to PC. So you check it which point you are connect to woofer. If externally ok then open PC and check your sound driver proper work or not go to control panel- click sound and audio and check it your software working or not. And one time full computer scan and clean virus. If not solved go to computer technician and take support.

Thanks

Oct 26, 2013 | Altec Lansing Acs340 Computer Speakers

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Windows, wiper, radio, dash dimmer wont work i have tried the relays and fuses


Now try checking ALL the ground wires connected to the frame under the dashboard. If any one of them is broken off or loose that is a cause of multiple outages.

Jan 13, 2013 | Cars & Trucks

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No power from battery


See if you fuse box is getting power

Jan 11, 2012 | 1992 Ford F350

1 Answer

The power appears to come on, but no picture and no sound


Look at power board. check fuses on board and replace fuses with new ones.
Hope that helps.

Dec 22, 2011 | Vizio P50HDTV20A 50 in. Plasma HDTV

1 Answer

No sound produced, but power green light is on but dim.


make sure you have a good ground contact, bolt connection to body and make sure to sand off paint where you are screwing ground connector.also check that you have good 12volt(power) & remote wire connection. if that is good check for a good connection with your rca jacks. with that you should get sound.

Apr 13, 2011 | Car Audio & Video

1 Answer

Subwoofer not working.... JVC surround sound system 778V Subwoofer Part Number SP-PW37-SUB I hear a hum coming from unit so there's power going to it. I hear weak bass thumps with volume turned all the way...


A connectivity check could provide the solution, notice any wrong wire connections on device or any other devices requiring interconnection. The woofer would perform properly when the connections that provide current for woofing are approapiate

important notes
1. Trace the connection from Recorder or sound output to the woofer device
2. The wiring connections should be sound and video ouput into sound and video output into woofer.
3. The connections if any problems would be located at the stereo recorder or device producing the spund and video. Check the connections of wires on the recorder device ensuring rewiriing
4. finally, adjust the equalisers if any the buttoms could have been disbled by master switch hindering full blaster boost sound.

Dec 05, 2010 | JVC RX-778V

1 Answer

No sound after connection? Power is on! Computer


Check your Sound Device if it is installed correctly

Jul 03, 2010 | Creative Labs I-Trigue 3220 Computer...

1 Answer

Has power and connectivity but no audible sound


check if you have the ethernet cord conencted correctly from router to VOIP phone
and also check if you have internet conection

Apr 28, 2010 | Linksys SPA941 IP Phone

1 Answer

No sound coming from sub woofers amp is connected and powered properly,all connections are correct,i have checked all connections to head unit,to battery i have disconnected and re connected all...


check your amp fuse also any car fuses, then check inside the sub box at the connections as they dont come connected when you buy it, try that 1st

Jul 11, 2009 | Car Audio & Video

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