Question about Acer Aspire One PC Notebook
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.
Posted on Mar 17, 2009
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Posted on Jan 02, 2017
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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:
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.
Close Device Manager.
I hope that this should resolve the issue for you.
Please let me know the result.
you can mail me at firstname.lastname@example.org for any further assistance on this issue.
I'll be glad to help you.
Oct 18, 2007 | IBM ThinkPad T43 Notebook
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