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Dell inspiron 15 5578 Monitor become dark

I have bought a Dell Inspiron 15 5578 model 7 months ago. It was functioning good. But a week ago suddenly the monitor became dark from both side like attachment. Is it for hardware problem? or software problem? What is the solution? 

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RE: Dell inspiron 15 5578 Monitor become dark

Looks like a backlight problem - call for a warranty replacement of the screen.

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RE: Dell inspiron 15 5578 Monitor become dark

Thank you for your message.

Please restart the computer & tap F2 to get into bios & check if the issue persists.

Run a hardware diagnostic by following this link bit.ly/2fJuGXB  check if the dark screen is seen here.

For better assistance please click on my Dell username & send a private message with the service tag, registered name & email address.

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