a) WindowsYour compute's BIOS version is displayed in the BIOS setup menu itself, but you don't have to reboot to check this version number. There are several ways to see your BIOS version from within Windows, and they work the same on PCs with a traditional BIOS or a newer UEFI firmware.
To use a command, open a Command Prompt windows - press Windows Key + R, type "cmd" into the Run dialog, and press Enter. Run the following command:
wmic bios get smbiosbiosversion
You will see the version number of the BIOS or UEFI firmware in your current PC. It should look something like this:
b) Linux
To find out BIOS version under Linux operating systems use the dmidecode command which is a tool to analyse BIOS data. You must login as root to run dmidecode command:
dmidecode | less
c) MAC
For Apple Notebooks you can follow next steps:
- Open System Information
- Select the Hardware section to view the Model Identifier, Boot ROM version, and SMC version numbers
If the firmware version you see in System Information is newer than what's listed for your MAC, you don't need to apply the updates listed for that model. If you try to use a manual updater that's not designed for your MAC, or if it's not needed, the installer alerts you and the software isn't installed.
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