Windows 8 Modified Windows_8 ISO won't boot in VM after modification

[t1b4nhzw]

I extracted a Windows_8 ISO and made some changes to ei.cfg. I recomposed the sources back to a bootable UDF ISO but this ISO fails to boot in a VM. I get a blank screen during boot.

Interestingly if I extract the same ISO and recompose it back again without doing any modifications then the ISO boots.

 

[ussnorway]

I'd upgrade your tools, W8 is different to W7 and you can't use the same tools i.e, using windows 7 Upgrade tool will not work.

• Also a tipical W8 disc has two boot files... the bootmgr or the efi...and a 32bit system may need the bootsect.exe file before you can install it on a 64bit vm.

Old boot format guide = UEFI Bootable USB Flash Drive - Create in Windows