I think a capacitor needs replacing. The right person may be able to do this. Sold as not working. Machine posts but the. Black screen.
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GIGABYTE NVIDIA GeForce GTX 1050 Graphics Card
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Gigabyte NVIDIA GeForce RTX 3050 WINDFORCE OC Graphics Card - 6GB GDDR6, 96-bit, PCI-E 4.0, 1470MHz Core Clock, 2x DP 1.4, 2x HDMI 2.1, NVIDIA Ampere - GV-N3050WF2OC-6GD
Gigabyte NVIDIA GeForce RTX 3050 WINDFORCE OC Graphics Card - 8GB GDDR6, 128-bit, PCI-E 4.0, 1792MHz Core Clock, 1x DP 1.4, 1x HDMI 2.1, NVIDIA Ampere - GV-N3050WF2OC-8GD