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Ne500

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1 year ago

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Ne500

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August 11th, 2025 21:12

Dell Precision 5820 Tower compatibility

Hello all, 

I took out my i9 9980xe and dropped in an i7 7800x but I can’t seem to figure out why it won’t post. 

Bios 2.44.0 (latest)

Motherboard 02m8ny

Am I missing something? Every time I put the 9980xe in it posts with no issues but when I drop the i7 7800x nothing shows up (caps lock light on keyboard turns on but no display) I know that the i7 7800x works bc I tested it in another motherboard. Any help is greatly appreciated. 

  • mazzinia_

    6 Operator

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    Posted August 12th, 2025 07:48

    Hello,

    sorry for asking but ... why do you want to downgrade ? the i9 you are currently using is way more powerful than that i7

  • bradthetechnut

    9 Technologist

    9649 Posts

    40713 Points

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    Posted August 14th, 2025 04:24

    Unsupported configuration?  Check the owner's manual and see if the same configuration (namely RAM configuration) is supported with the I7-7800x.

    Not sure why you'd want to downgrade, are you selling it?