Question about Dell 5650 Computer Speakers
Your Dell speaker is detecting the ground wave from the transmitter. Not much you can do to suppress it, short of moving.
Posted on Mar 12, 2017
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Posted on Jan 02, 2017
I've had the same problem with my ADA745 system and have run through the same steps as the guys above to no avail. Today, I found this interesting tidbit on the smartcomputing.com web site, posted in 2005: "Using the volume control on the right-front speaker won't turn off the speaker system, and according to the technician we spoke with, leaving the 5.1 speaker system powered on continuously will damage the transformers in the subwoofer." Here's a link to the original: http://www.smartcomputing.com/editorial/article.asp?article=articles/2005/s1604/38s04/38s04.asp&articleid=25728&guid= Thank you very much Dell and Altec for NOT telling me this when I bought the system.
Posted on Dec 30, 2006
I suspect that what you are hearing is the 60 cps of the mains. If the humming sound is coming the subwoofer itself, then it is possible that you have a defective/leaky capacitor in the power supply section of the subwoofer. In the subwoofer, if the buzzing sound is coming from anywhere else other than the speaker itself, then it is possible that you have a loose transformer again in the power supply. Unless you are comfortable working with testers and soldering irons, I would suggest an electronics technician who should be able to diagnose and fix it for you.
Posted on Apr 08, 2007
Since it has been working perfectly, you need you change the control knob, there may be a pershal contact that is preventing it from controlling the volume.
Posted on Jun 20, 2008
Usually, the crackling indicates a connection that's not making a good connection. you can try twisting the plug where it connects to your computer and see if you can get it to make a better connect. Also, you may try cleaning the plug itself. When cleaning contacts with any sort of household alcohol, be aware that it can leave a residue so you'll need to use a clean/dry tissue to dry the plug and remove any residue. -hope that helps.
Posted on Dec 27, 2008
What sort of computer do you have? Is it a laptop or desktop? Many
laptops have this problem and it is quite widespread in laptops. The
crackling or humming noise could be a result of interference from the
mains power signal.
If it's a laptop, try running it on battery alone (take out the mains power cord). My laptop has this kind of noise in speakers when running on mains electrical supply, but it goes away like magic when I run it on battery.
A more long-term solution is to buy a 'Ground Loop Isolator' and insert it between your computer and the speakers/earphones. They are quite cheap and you could get it for under £10. It removes all static noise and you'll hear crystal clear sound.
Posted on Jan 01, 2009
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