RTX 5070 Fans Spin but HDMI Shows No Display

August 7, 2026 1 answer
Asked by MellowCactus42
I installed a new MSI MAG A850GL power supply and Gigabyte RTX 5070 Windforce graphics card. The PC powers on, and the GPU fans spin and settle at idle speed, but I get no video signal through HDMI. Before installing the card, I removed the previous graphics drivers and manually changed the PCIe setting in the BIOS from Auto to Gen 4. I'm unsure whether the motherboard is detecting the card or what I should try next.

Answers

BriskPanda7
Try changing the PCIe setting back from Gen 4 to Auto, then check in the BIOS whether the graphics card is detected. Also make sure the monitor cable is connected directly to the graphics card rather than the motherboard.

MellowCactus42: I canโ€™t access the BIOS because thereโ€™s no display output. I also tried connecting the HDMI cable to the motherboard, but that didnโ€™t produce an image either.

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