If you are running it using the auto updater, there's a known bug where the next step of the process is a window hidden behind the auto updater screen. Since you cannot see the window, it looks like it hangs up.
It should auto detect your service tag. Click in the presented link under "this pc" and it should take you to "drivers and downloads".
Scroll down, and it should provide a download option for the system bios.
Download that file, run it and follow the on screen prompts.
Make sure you do not loose power to your computer during this update, as that can cause your bios to become corrupt. Only update your bios if you believe you need to update it, since a failed update can cause a non bootable machine.
Vanadiel
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March 3rd, 2021 19:00
If you are running it using the auto updater, there's a known bug where the next step of the process is a window hidden behind the auto updater screen. Since you cannot see the window, it looks like it hangs up.
It happened to me.
How I fixed it:
The easiest way to update your bios is using the bios update file from the support page at https://www.dell.com/support/home/en-us?app=drivers
It should auto detect your service tag. Click in the presented link under "this pc" and it should take you to "drivers and downloads".
Scroll down, and it should provide a download option for the system bios.
Download that file, run it and follow the on screen prompts.
Make sure you do not loose power to your computer during this update, as that can cause your bios to become corrupt. Only update your bios if you believe you need to update it, since a failed update can cause a non bootable machine.