Nvidia Pascal GPU Diagnosing Guide
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=== Power sequence === The order in which they turn on in most pascal GPUs is as follows: '''5V→ 1.8V→ VCore→ VMem/PEX.''' For example, if 5v does not turn on, everything else in the chain won't turn on either. Hence no fan spin if you have a problem with 5V or 1.8V. If you're missing one of them, check their respective page: * [[5V Rail on Pascal GPUs.]] * [[1.8V Rail on Pascal GPUs.]] * [[Vcore Rail on Pascal GPUs.]] * [[Vmem Rail on Pascal GPUs.]] * [[PEX Rail on Pascal GPUs.]]
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