The issue with diagnosing issues with modern motherboards is that there are a lot of components that can break, and if you don't have the board level schematics, then you'll hard time getting anything done. Start by looking for the schematics and then go from there.
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I'd also take a good look at your board for any thing that might be out of the normal for a motherboard. Search for any signs of electrical spikes or surges by looking for any burn marks. In addition, look for any signs of spills or liquid damage, or impact damage that could cause pins to be bent out of place.
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I'd also take a good look at your board for anything that's out of the ordinary. Search for any signs of electrical spikes or surges by looking for any burn marks. In addition, look for any signs of spills or liquid damage, or impact damage that could cause pins to be bent out of place.
The issue with diagnosing issues with modern motherboards is that there are a lot of components that can break, and if you don't have the board level schematics, then you'll hard time getting anything done. Start by looking for the schematics and then go from there.
I'd also take a good look at your board for any thing that might be out of the normal for a motherboard. Search for any signs of electrical spikes or surges by looking for any burn marks. In addition, look for any signs of spills or liquid damage, or impact damage that could cause pins to be bent out of place.