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Contribution d'origine par : DAS Repair ,


So what your getting there is most likely from a bad graphics card. If you have one not dedicated. Then you can usually replace it very cheap and very easy. Dell does have built in diagnostics if you hit f12 when you boot the computer. I am almost positive that's a bad gpu. As far as the booting issue goes that could just be a windows reload if anything. I can further guide you if you need any questions