Question about IBM ThinkPad T43 Notebook

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"Power Surge on Hub Port

I repeatedly get the message "Power Surge on Hub Port: A USB device has malfunctioned and exceeded the power limits of its hub port. You should disconnect the device." This is despite the fact that no device is plugged in. It doesn't seem to affect the functionality of the computer as far as I can tell but it is still concerning. Any advice on how to address this?

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  • bebexsmiles Mar 10, 2009

    i plugged my ipod usb in and the power surge hub port did popped up so i disconnected my usb. now i cant charge my ipod or change songs ;( only my ipod usb doesnt work, other usb works.

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That series of laptop has a problem with it's battery which causes malfunction...

http://www-307.ibm.com/pc/support/site.wss/document.do?sitestyle=lenovo&lndocid=BATT-LENOVO

Moreover, make sure you have current BIOS and driver updates for you laptop, not all manufactures offer complete firmware updates like Lenovo; take advantage of it.

http://www-307.ibm.com/pc/support/site.wss/document.do?lndocid=MIGR-58597

Posted on Nov 27, 2008

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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.

Oct 18, 2007 | IBM ThinkPad T43 Notebook

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