Windows 10: i cannot find the frim ware on devise manager

hey i want to upgrade my laptop BIOS but i can't find system frimware on the devise manager

:)

 

Sound and Devise Manager

Since downloading Windows 10, I have no Devise Manager and sound. I have an Inspiron 580s. Can I reinstall windows 7? I like it better anywy.

 

other devises

Good morning my friends, I have a slight problem. everytime i try and download a good or something, i push install and a screen pops up asking to which devise do i wnt ion and shows a list of my devises except the one im on.... how do i change that?? thank
you

 

Nokia N95 firm ware 20.0.0.5

I am using Nokiw N95 when i try to check the firmware with Pc Suite its saying mine is the latest version 11.00.But when i check the website it is showing it as 20.0.0.5.So in this case how can i update to new frim ware version. Otherwise please send me
the link or where the update is available.

The N95 classic hits v20 firmware (SHOWING AS 20.0.0.5)

Thanks

Naga