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 ...

Dell BIOS updates released recently are reportedly causing boot issues on various laptop and desktop models. According to customer complaints on the company's community website, installing the latest ...

As users, we’re generally conditioned to implicitly trust software and updates that come from the people who make our computers. But those people are also, well, people, and sometimes make mistakes.

Five new security weaknesses have been disclosed in Dell BIOS that, if successfully exploited, could lead to code execution on vulnerable systems, joining the likes of firmware vulnerabilities ...