[Bug 1905491] [NEW] Recent (Nov 2020) ISO copied to USB Drive cannot load

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2020-11-24 10:58 GMT Downloaded ubuntu-20.10-desktop-amd64.iso  via
torrent

Used Startup Disk Creator on two previously working 4GB USB sticks

Both Print GRUB  then  "Error can't find grub_platform"

Show a boxed Ubuntu Studio but no live OS is loaded

Tried on two BIOS based 4core/6core AMD computers - same outcome.

USB stick can be used to mount ISO ->   /boot   contains some grub files


Problem is identical on  :-
ubuntu-20.10-live server-amd.iso
ubuntu-20.04.1-live server-amd.iso
kubuntu-20.04-desktop-amd64.iso

I suspect that a change in the creation of these ISOs is causing NON-
UEFI machines to fail to load Grub2 correctly.

** Affects: casper (Ubuntu)
     Importance: Undecided
         Status: Incomplete


** Tags: bot-comment cd fresh grub2 install iso live
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Recent (Nov 2020) ISO copied to USB Drive cannot load
https://bugs.launchpad.net/bugs/1905491
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