Hp pavillion dv4 entertainment pc not showing display bt the power led glows

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dd - Mar 18, 2014 at 06:02 AM
Hello,
My hp pavillion dv 4 entertainment pc running under win7 is nt showing display while i on it.al the led s lyk power led,keybrds led's n bluetooth glowr and i cn hear the fan also.bt the screen remains black nly.i tried to check if the battery is not okay by removing d battery and dirctly plug in.bt didnt worked,i found d same problem.and my battery dnt give back up.i use my laptop by direct plug in.what may be the problem? is there any issue with hard disk,procesor or motherboard!? plz suggest.


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