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Hybrid (UEFI / MBR) ISO's -- UEFI BOOT (CSM)
Hi folks
recently I couldn't get some newer iso's from UUPDUMP to boot using RUFUS V 10 to create bootable usb sticks when these isos are HYBRID boot (i.e they can boot either MBR or UEFI).
However changing the BIOS options to enabling UEFI boot (CSM module) as well as UEFI then it all worked OK -- I had CSM disabled previously but hadn't needed it so far.
Anybody know what this CSM thing is
It's an older MOBO which can also boot MBR (legacy) but the bios setup has to be entered and changed.
I don't see any problems on a more modern laptop
I thought the CSM module was only something to do with UEFI boot for Windows 7 but obviously I'm wrong
Any gurus here who can explain what it is.
Cheers
jimbo