Toshiba Satellite 300-13n ( model # - Toshiba Satellite 300-13n ( model # - pslb8c-13noix Suddenly lost internet connection - message says no network controller/his device is not configured correctly. Other wireless notebook in the same house still has connection I do not know how to locate the manufacter name of the device ( realtek/Intel so that I can download the driver to a USb and then install.

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Using device manager uninstall, reboot and reinstall the wi fi chip. If this does not work you are in deep doo doo because the chip is fubar. I had the same issue with a Toshiba laptop but I returned it since it was a few days old. The chip is soldered to mo bo and unless you have real special tools and skills it cannot be removed.
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