Dell confirms: Secure Boot disableable (zdnet.com)

I feel that I need to warn you; there seems to be pro-MS/anti-Linux bias in the article.

While it helps that vendors don't (currently) stop users from installing Linux, this still requires users to take additional complex and system-specific steps before installation. That introduces one more barrier in what has otherwise become a straightforward process.

Two words: Hanlon's Razor