Grey and white horizontal lines covering the screen - Android Q&A, Help & Troubleshooting

My samsung galaxy note 2 was stuck in a boot loop so I switched a battery. Unfortunately, no long after the phone refused to boot up and stood frozen in the logo sign. Now it shows grey and white blinking lines all over it when I try to turn it on, what could be the problem ? If it's the emmc, Is it possible to extract data in odin mode?

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Help??
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