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erik7
Journeyman III

Why is not working my RX 580 8GB DDR5?

It is new. When i start my computer with the external power connected cant listen the bios sound, and when i disconnect the external power the computer starts all ok. But RX not work without external power.

Here a video: No funciona (Not working) RX 580 8GB DDR5 - Sentey - YouTube 

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goodplay
MVP

Re: Why is not working my RX 580 8GB DDR5?

Suggested/recommended psu watts is 550.

And powering modern cards off molex has long been NOT recommended.

Buy a new psu that has PCIe cable/s for the graphics card.

Ryzen 5 5600x, B550 aorus pro ac, Hyper 212 black, 2 x 16gb F4-3600c16dgtzn kit, Aorus gen4 7000s 2tb, Nitro+RX6900XT, RM850, Win.10 Pro..