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Cannot Install Windows 8.1 from UEFI Windows PE


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#1 cengizhan

cengizhan
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    Turkey

Posted 01 October 2013 - 01:45 PM

- I have made a flash disk booting into uefi mode.

- Then i have added windows 7 pe and windows 8 pe. both of them loads in uefi mode.

- i start windows 8.1 setup from a folder in flash disk. when it starts copying files. computer hangs immediately.

- if start my laptop in legacy bios mode, i can install windows 8.1 setup in windows pe successfully.

 

Why can't i install windows 8.1 setup from a Windows PE which is in UEFI mode ? what am i doing wrong ?