As I understand, you have performed the cloning task from the HP SSD to the WD drive, after the cloning process has completed, you are not able to boot the computer from the original disk. I will be happy to assist you with this. I would suggest you please please follow the below steps:
1. Shutdown the computer, remove all the drive except the original disk and attempt to boot the computer - Make sure you have the internal disk or the Windows disk manager selected as the first boot device in the BIOS settings.
2. If you have the same issue, please attempt to boot the computer in safe mode and update the drivers
3. You can also run a repair installation for the Windows OS using the Windows installation media
a. Insert the installation DVD or USB and boot Windows 10 from it.
b. In the ‘Windows setup’ page select the ‘language to install’, ‘Time and currency format’, and the ‘keyboard or input method’ and click on ‘next’.
c. Click on ‘Repair your computer’ and select ‘Troubleshoot’.
d. Click on ‘Advanced options’ and select ‘Automatic Repair’ and select the operating system.
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