Use the motherboard or laptop manufacturer’s official BIOS/UEFI update utility if you need a firmware backup
Check whether your system supports BIOS/UEFI export or backup in the firmware setup menu
Use a trusted firmware tool only if you fully understand the risks and your hardware supports it
Create a full system backup before attempting any firmware-related operation
Save the BIOS/UEFI image to a secure location on another drive or external storage
Verify the dumped file size and checksum if the tool provides one
Keep the original BIOS/UEFI version and system model information with the backup
Do not attempt to flash or modify the BIOS unless you have the correct file for your exact motherboard or laptop model
Consult the official support documentation for your device model
If you want a YouTube tutorial, search for your exact motherboard or laptop model plus BIOS backup
Avoid using random third-party BIOS dump tools from untrusted sources