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USB Hub port

Try to charge my kids MP3 players and get USB device has exceeded the power limits of its hub port. When clicking the icon, a reset button comes up and I can click that to reset it, but when I plug the mp3 player back in, I get the same message. Can't get it figured out, any suggestions? Email is fishman25401@yahoo.com

Thanks

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  • fishman25401 Dec 04, 2008

    Have tried over a dozen times. Have tried to reload the software from the disc but it does not work. It is a JVC mp3 player.

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Not sure which mp3 player you have but some will reset to default factory settings if you allow battery to completely drain then fully recharge.try it i find they "unlock"8 out of 10 times.richardm69

Posted on Dec 04, 2008

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I PLUGGED MY MP3 PLAYER INTO MY LAPTOP USB PORT AND IT USED TO WORK NOW IT SAID THE USB DEVICE HAS EXCEEDED ITS POWER LIMITS OF ITS HUB PORT AND WONT WORK NOW


If you get an error message"Insufficient power to operate USB device" when you plug a USB deviceinto the computer's USB port, then this device is drawing excessive currentthat the USB port cannot supply. The maximum output from an USB port is 500mA. In case such as this, youneed to purchased a powered USB hub and connect this hub into the computer'sUSB port and then connect the USB device into this powered USB hub.

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Power surge on hub port message


unplug your mp3 player immediately!! it will fry your mp3 player if you leave it plugged in!! try adjusting the player's settings and seeing if there is somewhere to switch it from '1000mah' to '500mah' or lower. try that. if it still gives the error try a different usb port.

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Usb power surge


The Safely Remove Hardware icon list all removeable devices regardless whether it is a USB or PCMCIA or a removeable CD/DVD drive etc.
To get around the problem with your USB device that exceeds the power limit of the computer's USB port. Get a powered USB hub and connect it to the computer's USB port and plug the USB device into the powered USB hub.

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Power surge on hub port a usb device has exceeded the power limits of its hub port there is nothing connected to my computer


I don't know how old your system might be or how many USB controllers it has on the motherboard, but understand this...

Theoretically, one USB port can support up to 999 "daisy chained" devices.

With that said...the way a USB port is implemented on a motherboard, manufacturers enable two or four ports to be working off of one USB interface. Those ports you see on the front of your computer are most likely connected to just one USB interface on the actual motherboard and that's why you always see computers with USB ports located together in pairs.

With that in mind, you're USB ports are connected to what is referred to as a "hub"(that motherboard interface), which only outputs so much power. If one device or many devices attached to this "hub" exceed the power output of this "hub" then it will either back down to USB 1.1 speeds or it won't function at all. That is why some USB accessories require their own wall adapter, because the USB can't supply all the necessary power for it.

So one of two things has happened, either your USB port is fried or you introduced a new USB item to the "hub" that surpasses the power requirements of what your USB hub can output once you plug in your mp3 player.

You can troubleshoot by unplugging all un-necessary USB equipment and try only that port again. My assumption is that the USB hub is fine but the actual usb port you use might be damaged.

Good luck.

Mar 12, 2009 | Acer Aspire One PC Notebook

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I think you have a sort in your ipod.
I will say a bad battery will cause this.
You have to open it and see if you make it to work without the battery.

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Ipod


maybe bad ipod try another computer

Aug 04, 2008 | Apple iPod MA446LL/A MP3 Player

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Helpp! exceeded the power limits on its hub port?


try to change a new USB cord, and if it does not work the problem is a device then

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Hello,

 

 

I guess that this could be your error message:

"Error message when you wake up a Windows XP-based computer from hibernation or from standby: "Power Surge on Hub Port: A USB Device has exceeded the power limits of its hub port"

 

If it is the case, please try below solution:

 

SYMPTOMS

 

When you wake up a Microsoft Windows XP-based computer from hibernation or from standby, you may receive the following error message:

 

Power Surge on Hub Port: A USB Device has exceeded the power limits of its hub port. This error message is displayed even if there are no USB devices connected to the computer.   WORKAROUND loadTOCNode(1, 'workaround'); To work around this issue, disable the USB 2.0-enhanced host controller.

Note When you disable the USB 2.0-enhanced host controller, you lose USB 2.0 functionality. That is, you revert to USB 1.1 functionality.

To disable the USB 2.0-enhanced host controller, follow these steps: 1. Right-click My Computer, and then click Manage. 2. Under Computer Management (Local), click Device Manager. 3. In the Device Manager pane, expand Universal Serial Bus controllers. 4. Right-click the USB 2.0-enhanced host controller, and then click Disable.

Note The name of the USB 2.0-enhanced host controller may vary. 5. When you receive the confirmation message, click Yes. 6.

Close Device Manager.

 

 

I hope that this should resolve the issue for you.

 

 

Please let me know the result. 

 

you can mail me at thumuvikram@rediffmail.com for any further assistance on this issue.

 

I'll be glad to help you.

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Hi there. This message would indicate any one of the following: 1. You have a lot of USB devices plugged in to your computer, and the maximum power supply for the USB ports has been exceeded by plugging this player to your computer. It would be best if you unplugged 1 or 2 of the USB devices connected for the time being. 2. You are plugging the player on your front USB port, and may need to plug it in the rear USB port to acquire ample power supply (front USB ports do not get as much power as the rear USB port -- sad but true) 3. You are using a laptop and may need to try another USB port on that computer. Purchasing a self-powered USB hub would be ideal as it gets its power supply directly from the wall electrical socket.

May 11, 2007 | SanDisk Sansa m240 MP3 Player

2 Answers

Helpp! exceeded the power limits on its hub port?


a simple solution is buy a powered usb hub ( which has an adapter which plugs into the mains) that should solve your problem

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