Assuming you mean the amber blink code is 3 followed by 1 then that indicates a PCI card problem. Try reseating any PCI cards (generally this means the GPU card). if that does not help then it could be a MB problem. This page has the Optiplex diagnostic code chart.
JOcean
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July 25th, 2023 06:00
Assuming you mean the amber blink code is 3 followed by 1 then that indicates a PCI card problem. Try reseating any PCI cards (generally this means the GPU card). if that does not help then it could be a MB problem. This page has the Optiplex diagnostic code chart.
bradthetechnut
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July 25th, 2023 13:00
Also, PCIe card could be defective. Test in another PC if you can, or test another PCIe card in the 980.