Windows 10 upgrade failed coming back to 7!

Partha Pratim Seal

New member
Jan 26, 2015
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I have HP laptop bought in 2011 which meets all the requirements for Windows 10. But as per HP's website it is NOT TESTED for Windows 10 since it was MANUFACTURED BEFORE AUGUST 2013!

So, I Manually reserved a copy with an blank "Check your PC" section, which is not an issue as per Microsoft.

Today I downloaded the Windows 10 Home ISO since Windows 7 Home Basic was preinstalled on my laptop.

But during the first Installation/Boot it showed
"0xC1900101 - 0x2000A
The installation failed in the SAFE_OS phase with an error during PREPARE_FIRST_BOOT operation" & WENT BACK TO WINDOWS 7!

Please Help me to fix this.
 

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