There's several links provided by that answer which detail how to recover a Dell laptop from a corrupted BIOS update.

If you own a Dell PC, you might want to be a bit more careful with installing the latest system updates. According to multiple reports on social media, there’s a new BIOS version that could end up ...

While most vendors would tell you that modifying the BIOS options on your system is a bad idea (and Alienware might say that too), the fact is that because they are using widely available components ...