Are All Drives Installed .

Hello Guys,  I own a Dell e6420 ,  and i had installed debian buster (mate).But the brightness and wifi drivers and i assume the hdmi drivers were not installed. How can i know that all the drivers for my device is installed. Regards, Arun Mathai

Newbie

Hello Guys, I am a total newbie for debian. I have some technical difficulties and questions that i want to ask. Could anyone please tell me how to proceed. Regards, Arun Mathai