Hi. I am stuck into a problem from last 5 days. My wifi hardware button is not working on ubuntu. I am having airplane mode automatically on and its not turning of from ubuntu screen or options as it says ( use hardware button to turn off airplane mode) Due to which my wifi is also not working as rfkill lists shows wireless lan hard blocked : Yes... But when i press wifi button nothing happens neither my wifi is working nor airplane mode is turned off. Before this airplane mode was off still wifi was not working and wifi harware button which is f12 i think that is red in color. Please help me how can i disable airplane mode and make wifi to work. I saw solution here which says to update wifi drivers and then update bios. But i am really new to ubuntu and i dont know how to do that. So please kindly give me solution step by step.
P.s: i have tried rfkill unblock , modprobe etc all commands but nothing works. Please help
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