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Questions tagged [csm]

The Compatibility Support Module (CSM) provides legacy BIOS compatibility in most UEFI firmware implementations on PC-class machines that also support booting in legacy BIOS mode from MBR-partitioned disks

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How can Legacy Boot be enabled on a 2019 ThinkPad?

I have a 2019 ThinkPad X390 with Windows 10 and want to install Ubuntu. I have always used Legacy Boot previously, not UEFI, and want to see how to have that option. In the UEFI-BIOS, I can see that ...
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75 views

How to Install Single Boot Ubuntu 18.04 on a MacbookAir3,1?

I want to install Ubuntu 18.04 as the single OS on a MacbookAir3,1. In addition, I'd like to use the proprietary graphics drivers, but there are some known issues with that. I attempted to run the ...
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1answer
336 views

Can't boot Lubuntu 64-bit without UEFI-CSM support

I have a thin client Wyse D90D7. It can't boot Lubuntu and any other linux distro 64-bit that doesn't have UEFI-CSM. it always get stuck on black screen without error. Installing 32-bit is not an ...
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529 views

Make Ubuntu USB Stick boot UEFI without CSM

I have an Ubuntu USB stick and would like to be able to boot it from my UEFI laptop too (in addition to older BIOS devices). Currently, it is not shown in the list of bootable devices unless I enable ...
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1k views

What is a UEFI bootable Ubuntu USB?

Previously I have a Ubuntu 16.04 live USB. Now I have a new computer with Windows 10 installed. Since it uses UEFI firmware, I also have to install Ubuntu in UEFI mode. Do I need an UEFI bootable ...
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156 views

Cloning a Ubuntu installation (including repositories, held packages & keys)

From How to list all installed packages we learn how to backup list of installed packages. From How to See list of Repository? we learn how to backup list of installed repositories. But how do we ...
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1answer
2k views

Ubuntu 17.04 will not boot after installing on UEFI laptop

I wanted to wipe Windows 10 off my laptop and just have Ubuntu on it. I had heard that it was safe to install it on UEFI hardware so I just went through the standard install and told Ubuntu to erase ...
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2answers
3k views

ISO Linux 6.03 error booting Live USB

When booting from a Live USB I'm getting an ISO Linux Error immediately after BIOS POST (Basic Input Output System Power On Self Test): ISOLINUX 6.03 20160618 EHDD Copyright (c) 1994-2014 H. Peter ...