Reviving a MacBook is easy, getting DFU isn't always!

Reviving a Dead M2 MacBook Pro When the DFU Key Combo Won't Cooperate

My 14" M2 MacBook Pro died after a reboot. It went down, never came back up, and no amount of button-holding would bring it back. This is the writeup of how I got it back from the brink, including why the documented DFU procedure failed me and how a small tool from the Asahi Linux project saved the machine. The symptom The laptop was completely dark. No chime, no Apple logo, no keyboard backlight, nothing on the internal display. The one sign of life: it was pulling a steady ~17W over USB-C according to my inline power meter. ...

June 1, 2026 · 5 min · Moritz Frenzel
Paulmann URail lights

Paulmann URail HomeKit Integration

I was never really happy with the light in my kitchen (which doubles as my workshop) since I moved in. I had installed a Philips Hue White Ambience Runner 3 but the integrated spots had a horrible light output. I never wanted to leave the Philips Hue ecosystem, since I really liked the Apple HomeKit integration, but it started to bother me more and more. One Saturday evening, 1h before shops closed, I was missing a threaded rod for another project and drove to my nearest hardware store with one of my best friends and stumbled over the Paulmann URail System which looked promising. We decided to go with it and a quick trip for ~2,00€ in threaded rods escalated to the following inital BOM: ...

March 2, 2025 · 5 min · Moritz Frenzel