[lubuntu] If I upgrade from Ubuntu 12.10 to 13.04 will my drivers be effected

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http://ubuntuforums.org – I want to upgrade from 12.10 to 13.04. However, I'm worried that something in the upgrade process will make it necessary to reinstall the proprietary driver for my Broadcom wireless adapter. I only have access to the internet through wifi. I have no ethernet connection at my immediate disposal, therefore would be dead in the water if the upgrade process made it necessary to reinstall this driver. Does an Ubuntu upgrade effect proprietary drivers that are currently installed? Will this upgrade make it necessary to reinstall VLC media player, Google Chrome and other third party software I have (Hardware)