Windows 10: .Getting new SSD drive to boot up

I am running windows 11 Home insider preview. I have a 128 gb ssd that is getting very full. I purchased a new 512 gb ssd and cloned the C: drive using AOMEI partition Magic.. I appears to have cloned the drive correctly. I have all the same files on my new ssd drive. The old 128 gb drive is plugged directly into the motherboard. My new 512 ssd is connected via a Sata 3 cable. I can see the drive when I go to my PC all of the files appear to be there.. However when I go to the BIOS boot up screen I do not have the ability to select the new hard drive. It only allows me to sele

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New SSD wont boot

Hi John

Boot into BIOS, is SATA Mode set to AHCI to enable booting from an SSD drive?

Is the SSD drive set a top of the Boot Priority list?

Did you try connecting that SSD to the SATA Port normally used by your old HDD?

 

New windows 10 installtion on New SSD - wont boot unless old SSD present

It seems you installed Windows while the both SSDs were connected. This would have caused your current problem. Maybe it is sufficient to do this:

1. Launch the Disk Manager.
2. Right-click drive C:, then mark it as "active".
3. Shut down Windows
4. Open the BIOS and tell it that the new SSD is the primary boot device.
5. Disconnect the old SSD.
6. Boot up normally.

If this does not work then you might have to do this:

1. Disconnect the old SSD.
2. Re-install Windows on the new SSD, using the Media Creation Tool.

 

Can't boot from new drive

Thanks for the reply, but I'm not following you...

• What are you suggesting I unplug? Other USB devices? Done, but made no difference. (Ethernet? Monitors? Don't think that'll help.)
  
• Not sure I understand your partitioning advice?
  
• Also unclear about SSD drivers; if there was a driver issue, wouldn't it had failed to work at all? (As mentioned, I am able to boot Windows from the new drive as long as the old one is still plugged in...and it works just fine as a secondary drive.)