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Hi, I am an Independent Advisor, and welcome to Microsoft Q&A.
I understand you need to update your BIOS.
May I please know the Laptop or desktop brand and model number?
I can give you the link from the manufacturer's support website so you can download and install the latest BIOS update, just let me know the brand and model of your computer.
Important NOTICE BEFORE BIOS UPDATES
Incorrect BIOS updates can cause your computer to crash. Proceed only if:
It comes from the official website of your manufacturer.
The model on the support page is exactly the same as yours.
The battery on your laptop is charged, and it is plugged in.
During the update, you don't turn off your computer.