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Distribution: Raspbian, Mint 13, Slackware 14, Debian & Ubuntu
Posts: 105
Rep:
Ubuntu to Debian UEFI Lenovo E50
I wish to change my installed Linux from Ubuntu 17.04 to current Debian.
When I look in the UEFI I cannot see an option to boot from CD whereas initially I installed Ubuntu from CD. See the attached image.
Please tell me how to fix.
On my newest laptop I had to delete all UEFI keys to be able to boot non-UEFI debian in legacy mode. Ubuntu is of course signed by microsoft keys and works with UEFI. As is Fedora.
In my case I don't care about the windows system. I've never booted it, and hopefully never will. But right below the option is a system restore / factory defaults option. Which I assume is the undo. But it's not a risk in my case, since it's just a drive in my use case. It's on the same page as legacy/csm and secure boot for my HP. But way down the list.
I wish to change my installed Linux from Ubuntu 17.04 to current Debian.
When I look in the UEFI I cannot see an option to boot from CD whereas initially I installed Ubuntu from CD. ...
Hi,
Just make sure Secure Boot is off, then find the Function key which brings up the boot options at start. This should give you option between the EFI bootloaders installed on the disk or USB or CD/DVD.
About the UEFI keys, it is not necessary to delete them. Usually, by disabling Secure Boot the system will stop using the keys and Windows will continue to work fine. So no need to delete them.
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