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Cloned M2 drive fails to boot

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I have a brand new lenovo M720p PC. This ships as standard with a SATA USB drive (UEFI setup). I want to move to an M.2 drive which the PC supports as standard. I have installed the M.2 drive and booted from the rescue media (2020). The clone operation runs perfectly as the source and destination drives are both 256GB I used the automatic option. 

Once the clone has completed I have removed the SATA drive and tried to boot from the M.2 drive. The PC boots to the Windows 10 automatic repair process and fails. 

I have run this operation twice with same outcome. Any advice would be appreciated!

 

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William, welcome to these public User Forums.

When you booted from the ATI 2020 rescue media, did you do so using UEFI mode so that the M.2 drive will be initialised in GPT mode as required for the NVMe M.2 drive to be used as a boot drive?

Next, in the Lenovo BIOS settings, is the Windows Boot Manager shown as the boot option (from the new M.2 drive)?

Have you needed to install any device drivers for the new M.2 drive since installing it alongside the working SATA drive? If the M.2 drive uses RAID as the SATA controller mode, then new drivers such as those for Intel RST may be needed.