Installing Windows 8 System builder

I was installing windows 8 on a new computer that I just built, an error causes computer to power down mid install (Wasn't sure how far in) now when I try to turn on my computer it can not troubleshoot the problem and when i tried to do a reset it says "The media inserted is not valid. Try again."

Hi Benjamin,


Thank you for posting your query in Microsoft Community forums.


From the description that you have posted, I understand that you are unable to install Windows 8 system builder version in your Computer.


Please provide more information to help you better.


1)      What is the error message/ error code you get while the system shuts down?

2)      Did you check the system requirements for Windows 8 system builder version?

3)      What is the media that you are using to install Windows 8 system builder?


I would suggest you to refer the Windows 8 hardware requirements listed below.


Processor: 1 gigahertz (GHz) or faster with support for PAE, NX, and SSE2.

RAM: 1 gigabyte (GB) (32-bit) or 2 GB (64-bit)

Hard disk space: 16 GB (32-bit) or 20 GB (64-bit)

Graphics card: Microsoft DirectX 9 graphics device with WDDM driver


Hope the information helps. If you have any further queries, please feel free to post with the required information to help you better.

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Question Info

Last updated March 24, 2018 Views 137 Applies to: