Windows 8.1 install DVD doesn't find product key in BIOS

The hard disk in a Samsung NP355v5C laptop has died completely. I've replaced the hard disk, but when I run the OEM Windows 8.1 install DVD, it asks for the product key. This laptop has no product key - it is stored in the BIOS as far as I know.

I've turned off Secure Boot in the BIOS and selected CSM OS, but the installer still requests the product key.  AM I using the wrong DVD? The WIndows 8.1 OEM is the only one I'm aware of for this kind of operation.

I called Samsung twice. The first guy said that the key was stored on the hard disk, and so I'd need to purchase Windows 8 again.  The second person said that it was stored in the BIOS, but if I had any issues with it, I'd need to call Microsoft and purchase Windows again.  Both answers seem suspect... and they both sounded like they were reading scripts).

Any advice on how to get Windows 8.1 installed?  The customer has no backups apparently.

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DaveWWWAuthor Commented:
That site doesn't seem to be working.
I see, ok thanks Rindi.  Now I know.

Since admin deleted then I guess you will have to Google it but you can use a boot cd to extract the key from the BIOS.  Google how to recover bios key using a boot cd and you will see many postings as well as different tools available to accomplish this.
As far as I know, in the early days of UEFI BIOS and Windows 8, there were some issues with samsung PC's that had a buggy BIOS or similar, that could maybe cause such problems. So I would suggest you first make sure you don't have such a model and also that you have upgraded the BIOS.

Besides that it also depends on what originally was installed. If it was Windows 8.0 and you are trying with Windows 8.1 now, it won't work. You have to install the original OS that the PC was delivered with. Also the type of OS must match. If Windows 8 Core was originally installed, you will need a Windows 8 Core DVD. If it was Windows 8 Professional, you need a Windows 8 Pro DVD.

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David Johnson, CD, MVPOwnerCommented:
Your only recourse now is to get the installation media from Samsung.  Other manufacturers media will generally not work.  When you first started the PC you are given the options to make re-install media.  Most users DON'T see this or ignore it
DaveWWWAuthor Commented:
Sorry all, I've been away for a couple of weeks and just getting back at this.  I'll be trying the various suggestions this week and getting back to you.

DaveWWWAuthor Commented:
Windows 8 Core (not 8.1) turned out to be the solution, as 8.1 was never on the laptop.
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