My wireless dosent work

:’(>:( My laptop does not detect my wireless and i tried making a network connections profile but it did not work!! Most of the codes i found in this forum has a error output and i dont know why!! PLZ HELP ME PLZ PLZ PLZ PLZ!!!

You need to run all those commands as root.
Run this command

su - 

Then enter root’s password.
Post the output from

lspci

Post the output from

dmesg |grep firmware

Open a terminal and enter:

/sbin/lspci -nnk

post result