Re: 7.5.0 cannot boots

does the media have an MBR?  


sudo dd bs=440 if=/usr/lib/syslinux/mbr/mbr.bin of=/dev/sdx



On Saturday, 14 June 2025 12:11:45 AM AEST Graziano Brioschi wrote:
> Hi list,
> 
> I have tried to install leaf 7.5.0 x86_64 - VGA console - on an
> industrial PC without success; after the POST, nothing appears on VGA
> console and it reboot after few seconds.
> 
> This machine is based on a SBC with CPU Intel Atom E3825, 4 Gigabit
> Intel I211 and with  firmware configured to boot in "UEFI and Legacy"
> mode. (Firmware BIOS UEFI v2.40 PI 1.3 by American Megatrends)
> 
> On first try, I have installed it in "legacy mode" (single MBR
> partition, syslinux installed on MBR), but the system does not boot
> correcty (it reboots after few seconds)
> 
> As second chance, I have installed it in "UEFI" mode (sigle partition,
> UEFI configured on storage) but it do not start as well (it always
> reboot after some seconds).
> 
> The same system boots correctly using a 7.3.1 version (in "legacy mode"
> and in "UEFI" mode as well).
> 
> Are there some problems in new 7.5.0 version and UEFI systems? is the
> new kernel version enabled to support EFI?
> 
> Thanks in advance
> 
> Ciao
> 
> Graziano





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