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Bios and windows not detecting new NVME drive after cloning

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Hi all, I recently bought a new laptop with 2 m2 nvme slots and decided to upgrade my nvme ssd to a faster and larger 2tb drive from the stock 1tb drive. Initially, my bios detects the new drive and I'm able to see it in windows disk management. After cloning the drive, i restarted the computer to try to boot into the new drive but the bios now does not detect the new drive at all. I added my old drive and booted into windows and was also not able to detect the new 2tb drive too. Can anyone help me with this? It seems strange for the new drive to just "vanish" and not be detected in bios.

Thank you!

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Nick, welcome to these public User Forums.

When cloning any laptop drive it is always recommended to remove the original drive and replace it by the new drive to perform the clone from outside of Windows by booting from the Acronis Rescue Media, then to remove the original drive before attempting to boot from the cloned drive into Windows.

Please see KB 56634: Acronis True Image: how to clone a disk - and review the step by step guide given there.

Note: the first section of the above KB document directs laptop users to KB 2931: How to clone a laptop hard drive - and has the following paragraph:

It is recommended to put the new drive in the laptop first, and connect the old drive via USB. Otherwise you will may not be able to boot from the new cloned drive, as Acronis True Image will apply a bootability fix to the new disk and adjust the boot settings of the target drive to boot from USB. If the new disk is inside the laptop, the boot settings will be automatically adjusted to boot from internal disk. As such, hard disk bays cannot be used for target disks. For example, if you have a target hard disk (i.e. the new disk to which you clone, and from which you intend to boot the machine) in a bay, and not physically inside the laptop, the target hard disk will be unbootable after the cloning.

One factor about cloning is that it will duplicate the drive signature of the source drive to the target drive, such that you should not boot with both drives present for this reason alone as a signature collision can occur or else Windows can be confused by having two drives reporting the same signature.