Your first message was more of a statement than a plea for help. It also gives few details. Do you know the make and model of the wireless card? A quick Google with some generic terms limited to the last month gives - https://askubuntu.com/questions/1052403/how-can-i-fix-broadcom-driver-wifi-with-4-15-0-24-kernel-on-ubuntu-16-04 . Also Broadcomm wireless not supported again
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