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SOLVED by @jj122@lemmings.world

Make sure all power connections on the mb are made (there are more than just the 24 pin).

I hadn’t connected the PSU CPU cable. Now it works: https://streamable.com/9bwg1k

Also thanks guys for suggesting the dual channel slots spacing between the memories.

Thanks everyone. You’re all wonderful.

See video https://streamable.com/agio65

PC SPECS:

  • lindafjwjOP
    1·
    11 months ago

    Are the mouse and keyboard plugged into ports on the motherboard I/O panel?

    Yes. See

    Does the motherboard support the processor/RAM you’re using?

    Gigabyte B760M AORUS ELITE (rev. 1.x) says it supports “Dual Channel DDR5：4*SMD DIMMs with XMP 3.0 Memory Module Support”. My memory is CORSAIR Vengeance 32GB DDR5 (2 x 16GB).

    Is the RAM seated correctly?

    Yes. See https://streamable.com/2wmyvd

    Does your motherboard support onboard video? Does your CPU have onboard graphics? If you’re using a separate GPU, is your monitor plugged into the GPU, or the motherboard?

    CPU is an i9-12900K. It has Intel UHD Graphics 770 according to https://ark.intel.com/content/www/us/en/ark/products/134599/intel-core-i912900k-processor-30m-cache-up-to-5-20-ghz.html

    Are you getting any error lights?

    According to page 20 in mobo manual

    These should be the LEDs indicating CPU, RAM, etc, but they aren’t on it seems. So I suppose from what the manual says they’re working?

    What components are you using (motherboard, processor, RAM, video card, etc)?

    • CPU: Intel Core i9-12900K
    • iGPU: Intel UHD Graphics 770
    • Motherboard: GIGABYTE B760M AORUS ELITE
    • Power supply unit: Corsair CV 650
    • Primary memory RAM: CORSAIR Vengeance 32GB DDR5 (2 x 16GB)
    • Secondary memory SSD: Western Digital WD BLACK SN770 M.2 2280 1TB
    • CPU Cooler: Cooler Master Hyper 212
    • Case: Corsair 220T RGB
    • Monitor: LG 24MK430H 24"
    • Keybaord: Logitech K120 USB
    • Ep1cFac3pa1m@lemmy.world
      1·
      11 months ago

      Hmmm…I’m not terribly familiar with Intel systems, but from what I can tell, everything looks compatible. Assuming all the power cables are hooked up where the should be for the motherboard, CPU, etc, some motherboards are picky about which slots the RAM is plugged into. Are they numbered? Like A1, B1, A2, B2? It’s also possible one of your memory modules might be defective. Try removing one of them and see what happens.