Windows

Does Windows 11 require CSM?

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Windows 11 brings new and advanced features to enhance the performance and security of your computer. To install it, a secure boot is required, and for that to happen, the Compatibility Support Module (CSM) needs to be disabled first.

Is CSM support needed?

It’s an optional tool included in the UEFI firmware that allows legacy BIOS compatibility. CSM offers backward compatibility by booting the machine as if you were running a legacy BIOS system. It also allows you to use older operating systems that don’t support UEFI.

Is Windows 11 UEFI or CSM?

To upgrade Windows 10 to Windows 11 in the supported fashion the computer must be in UEFI native (without CSM). The disk drive must be in GPT to upgrade in the supported fashion.

What happens if I disable CSM?

Disabling CSM will allow you to enable UEFI on your system which is needed to install the most modern compatible Operating Systems.

Should I use CSM or UEFI?

While CSM uses the standard MBR (Master Boot Record) partitioning scheme, UEFI uses the more advanced GPT (GUID Partition Table). GPT offers many benefits over MBR, such as increased flexibility and compatibility with large disks. As a result, UEFI is now the preferred bootloader for most users.

Is Windows 11 UEFI or CSM?

To upgrade Windows 10 to Windows 11 in the supported fashion the computer must be in UEFI native (without CSM). The disk drive must be in GPT to upgrade in the supported fashion.

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