Question My new processor wont display:(

Jan 28, 2020
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So i have a dell 3847 motherboard and i recently got a i7 4770.and when i installed it nothing displayed but the light and fans worked and the keyboard wasnt lighting up.but whenever i install my old processor (i5 4690k)it works instantly .
Ive tried reseatting ram and clearing cmos and nothing has worked ive tried taking it out and putting it in so many times and it wont display.if anyone has any suggestions please help me :)
 
So i have a dell 3847 motherboard and i recently got a i7 4770.and when i installed it nothing displayed but the light and fans worked and the keyboard wasnt lighting up.but whenever i install my old processor (i5 4690k)it works instantly .
Ive tried reseatting ram and clearing cmos and nothing has worked ive tried taking it out and putting it in so many times and it wont display.if anyone has any suggestions please help me :)
Did you update your bios to the latest version?
Is your motherboard compatible with the 4770?