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You could also try disabling startup programs in Task Manager to see if that speeds up your boot time. Another option is checking if your Dell has a pending BIOS update from their support site, as that can sometimes help.

Did you get a chance to try that, or is it crashing even before you can select a boot device?

This. I had the same problem. I had to enable "Load Legacy Option ROMs" first, save and reboot, and then the Secure Boot option finally showed up.

Same here. Yeah, same here. A quick tip: if you enable it and still get the error, sometimes you also need to switch from Legacy to UEFI boot mode. Hope that helps.

Yeah this is common. Oh no, that sounds super frustrating, especially after a restart! Let's try a quick fix first—have you tried restarting your computer again? Sometimes a second reboot can clear up temporary glitches like this.

If that doesn't work, I can walk you through a few other steps to ...