System fails to start following CSM adjustment.
System fails to start following CSM adjustment.
Hi, I'm working on activating SMART ACCESS MEMORY for your Gigabyte B550 M. Boards. To make SAM function properly, you need to turn off CSM. Disabling it causes the PC to boot into BIOS but fails to recognize any bootable drive. When CSM is enabled, Windows starts up successfully. Any alternative solutions? CPU: Ryzen 5 5600G GPU: Sapphire RX 6600 M. Board: Gigabyte B550
It appears you're using the legacy version of Windows. Open PowerShell, type `$env:firmware_type`, and review the output. If it shows "legacy," proceed with the instructions. Otherwise, inform me if you need further help.
Yes, it’s similar to installing Windows. The guide explains what happens after you finish the steps: the system checks the drive, sets up an EFI partition, adds the necessary files, and updates the boot settings. It’s a process that prepares your device for a fresh installation.
This process essentially transforms your drive from an MBR format to a GPT format. It sets up an EFI partition on your boot drive and includes the necessary files for UEFI startup. Your existing data remains safe, but backing it up is recommended just in case.
The approach presented in the forum aligns with using the Windows PE environment for command execution. The video method operates outside Windows PE, requiring an additional step. The MBR2GPT.exe is restricted by default unless executed within Windows PE, which this setting bypasses to allow full disk conversion in a complete Windows setup. Keep in mind that the current MBR partition is already active during the full Windows environment, making it unavailable for reuse. In such scenarios, a new ESP is generated by reducing the OS partition size.
You’ve completed the setup and now want to switch to UEFI boot mode on your Gigabyte B550 with F14 BIOS. Follow the appropriate steps in your BIOS settings to enable UEFI.