gpu-not-detected Troubleshooting

GPU not detected on the NVIDIA GeForce RTX 4090

Source: NVIDIA support — GPU troubleshooting Confidence: 85% Verified Aug 9, 2026

The graphics card is not detected, often due to a loose connection or a driver issue.

How to fix GPU not detected

Reseat the GPU

Reseat the GPU in its PCIe slot and ensure the power cables are connected.

Source: NVIDIA support — GPU troubleshooting Confidence: 85% Verified Aug 9, 2026

Difficulty: ★★ Est. 15 min

Update the driver

Update the GPU driver from the manufacturer's website.

Source: NVIDIA support — GPU troubleshooting Confidence: 85% Verified Aug 9, 2026

Difficulty: ★★ Est. 10 min

Replacement parts for the NVIDIA GeForce RTX 4090

NVIDIA GeForce RTX 4090 Thermal Paste NVIDIA GeForce RTX 4090 Mounting Kit NVIDIA GeForce RTX 4090 Cooling Fan NVIDIA GeForce RTX 4090 Cable

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