after putting my laptop on sleep mode display remain blank forever what should be problem .. is it losse connection?

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umesh1

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Mar 25, 2013
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After putting my laptop on sleep mode,there is completely blank screen(like display is not connected to cpu). I shut down my laptop and restart but screen remain blank....nothing to show on screen....everything is ok..cpu,battery,loading of os,fan ...there is no problem for that thing...actually i cant see any thing on screen only it is black, after loading os I write my password then start up sound I can hear but I cant see anything...
please geve me solution...
 
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