My computer still works, but i keep getting a notification saying power surge on hub port. I unplugged my printer but i still have my mouse and my linkseys wireless internet piece in. If click on the notification it shows 6 ports with 1st one being my linkseys and the 3rd,5th being "unknown usb device."
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INSUFFICIENT POWER - USB PORT If you get an error message "Insufficient power to operate USB device" when you plug a USB device into the computer's USB port or the un-powered USB hub that is attached to the computer's USB port, then this device is drawing excessive current that the USB port cannot supply. The maximum output from an USB port is 500mA. In case such as this, you need to purchased a powered USB hub and connect this hub into the computer's USB port and then connect the USB device into this powered USB hub.
The best thing you can try is a Static discharge.
Please remove all the external devices. Unplug the power adaptor.Remove the battery. There should be no electricity connected.
Then press the power button and keep your finger on it for about 30 seconds to release any build up electricity.
Plug in the adaptor and battery again and see if there is still a problem.
Maybe is a good idea to get a surge protector in the future.
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.
Some USB devices draw excessive power from the USB port, especially USB scanners. When this happens you need a powered USB hub, connect this to your computer's USB port and connect the USB device into the powered USB hub, you should not have any further error power surge problems.
Try this to find out which one of your components has an issue. Turn off your machine then unplug all of your USB cables. Turn your machine back on and plug in one of your USB cables. Verify the component you just plugged in works correctly and if it does plug in another cable and verify that component is working. Continue these steps until you have the one component that displays the error you have seen. That component is most likely the cause of your issue and should be replaced.
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.