need some help

[bigalan2k7]

cant play hd movie on my lg blue ray writer

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hi and thanks for any help new to the blue ray world lol

just got a blu-ray writer installed it running windows xp

if i put a hd movie in the drive it doesnt read it at all ive tryed and installed power dvd 8 doesnt do anythink

ive installed all the software that come with it

just dont understand why its not playing anythink


can any one help me out thanks

or do i need to install vista