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Re: My mobile won't charge from USB port
In your laptop goto device manager. universal serial bus controller. go to appropriate port. Right click- properties - there you will c a power management tab. uncheck Allow the computer to turn off this device to save power. click ok.
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Please check the connector / port where u plug-in the charger. Does it happen with all other compatible chargers or only with the one you have. Also try charging some other compatible laptop with the same charger. If that works, it means there is some problem with the port. Its not making the connections well.
There are no dummy ports on laptops....could be a cold solder point on the motherboard connections or a wire connection is loose. There is also the possibility that the usb controller for that port has failed. Below is the link to the service and repair manual for that laptop......
Check to see if one of the USB ports is damaged. Sometimes they can be damaged and have connections touching the outside metal of the port which actually grounds the connection and will cause the other ports to not work either. If it is connected then use a flat tip screw driver (*with the machine off and battery out*) to make it not touch the outside of the usb port and try "other" USB ports that aren't damaged and see if it works. If it doesn't then you are looking at needing a new motherboard. Locate your closest ASP and take in for service, you can find them at support.toshiba.com.