Question about Benwin SP691 2-Pc USB Powered Speakers Computer Speakers

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They just stopped working!

I'm not suer how but after a while whenever I plugged my speakers into the USB port my entire system will just shut off. As if the power was instantly cut off.

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Is your computer old? Are The Speakers old? Is Your USB Not Dusty? ( if is, blow on USB Port )

Posted on Dec 15, 2007


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Posted on Jan 02, 2017


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Dell laptop not turning on

Check all the USB ports to see if they are damaged. If any of the pins in the USB ports are touching the chasis then this will case a short circuit and stop it turning on. With the power disconnected, move the pins away from the chasis using a small ascrew driver and make suer they are not touching each other.

Jul 30, 2013 | Dell Computers & Internet


How to fix ?USB device not recognized? error in windows

Are you getting a “USB device not recognized” error whenever you plug in a USB mouse, keyboard, or other USB device? I love USB and have 5 ports on my computer so that I can connect my mouse, keyboard, camera, phone, and printer to it all at once!
However, last weekend, my computer stopped recognizing my USB devices! The strange thing about it was that the USB ports were not bad because all of my devices were still getting power to them. I could still charge my cell phone without a problem!


So I started with the normal fixing methods, including uninstalling the drivers for my devices and reinstalling them. That didn’t work! Next I tried System Restore thinking that maybe I had installed something and it caused a conflict with the USB system drivers. That didn’t work!
I read online that in order to fix this problem I should go to Device Manager and uninstall all of the devices under USB Controllers. Restarted the computer, reinstalled the USB drivers, but the problem STILL did not go away!
You may also see in Device Manager that the device shows up as an “Unknown Device”. 42b721d.png
So how did I finally fix the problem? Well, apparently it’s a super simple solution! No need to edit the registry, uninstall drivers, or anything of that sort.
Simply UNPLUG YOUR COMPUTER FROM THE POWER SUPPLY. Yes that’s it! Note that this does not mean just turning off your computer because modern computers don’t really turn off when you press the power button as the motherboard still gets power.
First to explain, the motherboard is where all of hardware of the computer is connected to, including the USB ports. Sometimes the motherboard needs to be “rebooted” also because something can go wrong, i.e. all your USB ports suddenly stop working. The small microprocessor on the motherboard will reload the drivers and your USB ports should be back to recognizing all devices!
So first turn off your computer using Shut Down or pressing the power button and then UNPLUG it from the wall outlet. Let it sit for about a minute and then plug it back in.
Hope this helps someone fix that pesky “USB device not recognized” Windows error!

on Jul 08, 2010 | Computers & Internet

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My powered USB port on my Dell Latitude D410 shorted out. Can this be repaired/replaced?

The USB plug will need to be removed from the computer, if luck is with you the computer will work, if no part is available, use a none powered USB hub on a spare port if available to run your applications.

Jun 23, 2012 | Dell Latitude D410 Notebook

1 Answer

The speakers quit working/what do I do?

Make sure that it is the speakers that stopped working by unplugging them from your computer (or whatever you have them plugged into), and plugging headphones into the same jack that the speakers were plugged into.If the headphones work, you have confirmed that the problem is with the speakers. If the speakers use an AC adapter (black plastic cubical thing that plugs into the wall), then you might try getting a replacement AC adapter with the same output (AC or DC), voltage, polarity (which side is positive, and which is negative), and connector. If the speakers plugged into a USB port for power, your USB port may have turned itself off. In that case, reboot the computer to see if the USB port will turn back on.
If none of this works, you have to buy new speakers.

Apr 18, 2011 | HP JBL Platinum Computer Speakers

1 Answer

I have a Logitech cordless mouse that has been working fine for a couple years. Occasionally the light would go out and it would stop working, but only briefly. Today, it has stopped working entirely. I've...

Try unpluging mouse sensor from usb port.

Shut down pc.Start up pc.

Plug mouse sensor back into usb port.

Windows should reinstall hardware automaticly.

If not reinstall drivers for it.

Jan 08, 2010 | Logitech Cordless Mouse

2 Answers

XP laptop no longer recognizes any USB speakers, and internal speakers dont work. USB speakers do not appear in the audio controls. the only 'device' listed under Sound Playback is SoundMax Digital Audio,...

Nothing wrong with your USB ports. MagicJack has changed your audio and driver settings so it can use the sound system for phone calls. The changes exist whether the Jack device in plugged in or not.
You can confirm the problem by uninstalling MagicJack and reinstalling your sound drivers. Should fix the problem.
You'll probably need to contact the maker of the MagicJack device for a workaround. Might be something specific to your laptop/operating system.

Nov 13, 2009 | Toshiba Satellite M45-S2653 Notebook

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