Hi, On Thu, 2026-05-28 at 19:04 +0200, Philippe Delavalade wrote: > The drive with my usual distro can boot.
the drive with you usual distro isn't a thumbdrive, right? If so, enable "POST" if it isn't already enable, maybe you get a beep code. IIRC I had to disable "Fast Startup" on my current machine to get "POST" working. "Fast Startup" might also have impact on other things. You might want to disable that anyway. Regards, Ralf
