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ardiank80
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dell Inspiron one 2320 no video detected on hdmi input

i wanted to extend my laptop display to my dell inspiron one 2320 display. It kept black screen and saying no video detected on hdmi input. i have tried to extend to my Tv it works. means that the cable and laptop GPU are fine. but when i connect from DVD player through composite on dell inspiron one 2320 it works.

PLease tell me how to solve this

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