Windows 10: Computer won't boot after migrating the OS to a new hard drive

When I bought my desktop, quite a while ago now, I tried to spec it to be future-proof, except for some reason I only got a 256G C: drive. So, after being annoyed for quite a while with not having enough space I cloned it today.

I followed the steps in this article, except I had to use method 3 (third-party software - specifically Macrium Reflect) because I didn’t have the 8G needed free on my C: drive to create a boot usb (why it couldn’t use a drive other than C: I don’t know, I’ve literally got 15-16Tb free on other drives).

All went well, I removed my old C: drive, turned it on, and it booted perfectly. So I put my computer back where it lives, plugged all my peripheries in, and it wouldn’t boot. Just kept telling me to insert valid boot media. I tried reconnecting the old C: drive, and it wouldn’t boot from that, either. I get text saying “Reboot and Select proper Boot device or Insert Boot Media in selected Boot device and press a key”.

Going in to the boot menu when the old C: drive is connected brings up one option which is the name of the drive (P0: [serial no]) and “Boot Manager”, the latter of which I can select and which boots. With the new drive there is a blank option, which I can use to boot alongside the name of the drive (which it has as P2: [serial no]). But sometimes when I turn the computer on those options don’t exist and I have to re-restart. And, when it does boot, it does so only from the Boot menu.

I’ve checked everything I can find about the various possibilities. I used the new drive to create a boot usb and from there tried repairing the boot. It just says that it can’t do it.

I’ve gone into the BIOS and the boot order doesn’t suggest anything other than the drive(s) (no blank option, no “Boot Manager”, just P0 or P2), which don’t work as a boot disc, even from the boot menu.

I’ve checked that the drives are both GPT and I haven’t changed the BIOS settings. Besides which, the articles I’ve found that talk about this say that the option I need to be sure of is “BIOS boot mode”, which my BIOS doesn’t seem to have. The only two options with UEFI/Legacy options are Storage Boot Option Control (set to “Legacy Only”) and Other PCI Device ROM Priority (set to “UEFI Only”). Changing these to both be one or the other does nothing to help the situation, so I’ve set them both back as they were.

Finally, I’ve tried the command prompt from the boot usb. With only the new drive, bootrec.exe/fixmbr returns “operation completed successfully”; /fixboot returns “access is denied”; /scanos returns identified Windows installations numbering 0; and /rebuildbcd returns the same.

With the old drive added /fixmbr returns the same; /fixboot returns “operation completed successfully”; /scanos returns 2 identified Windows installations on C: and D:; and /rebuildbcd also identifies both, but trying to add either to the boot list returns “the requested system device cannot be identified due to multiple indistinguishable devices potentially matching the identification criteria”.

With just the old drive /fixmbr returns the same; /fixboot is back to “access denied”; /scanos identifies 1 installation; and /rebuildbcd also identifies 1 installation but returns “the requested system device cannot be found”.

So that’s where I am, 5 hours after I started trying to do what I thought was going to be a relatively quick and easy task (yes, it’s been a while since I tried to do anything like this with Windows. How easily we forget) and I’m at my wit’s end. I’d be very grateful for any help at all.

submitted by /u/Kimantha_Allerdings
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:)

 

Migrating to a new Hard Drive?

Things get easier when you use disk clone. To do this, follow the steps below:

1. Connect the new drive to your computer. Make sure that it can be detected by your PC.

2. Clone the old drive to the new drive. Many third party software can help you complete this task. If you know very little about them, you can turn to the full guide about

how to clone a hard drive.

3. Change boot order in BIOS or replace the old hard drive to boot from the cloned drive.

 

Old Harddrive, New Computer, Won't boot

I see. That's strange because I've done it before with the last computer. I had a fresh install with an OS on a new hard drive and then I kept my old hard drive as the slave but I was able to boot from that slave drive as well. With those two systems, they were both from an AMD computer, but different motherboards. Is it because of the whole AMD or Intel thing?

 

Hard drive/ OS issue

a guy suggested :

• shutdown
• unhooked HDD
• restarted
• yay !!
• reconnected HDD
• restarted
• yay !!

also , try method 3
http://windowsreport.com/drive-windows-installed-locked/