I took this motherboard out and it's on the bench now. Symptoms are I get fanspin and blue led light for a second or two and then it turns off, this repeats 4 times and then turns off completely. Any tips on which rail might be causing this?
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Re: Acer 5750 laptop. advice on which rail this fault is
Many, but you can start by see if there's a short to ground .
Make the basic tests : visually inspect all the components .
what about 3/5 v always ! what about 3/5 vs ! -
Re: Acer 5750 laptop. advice on which rail this fault is
mine to and i foundout the pch was extremly hotComment
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Hi, I'm Daniel, and I'm new to the world of repairing motherboards.
I would like to create a table, or more likely a guideline about the voltage rails and their possible resistance rail.
I know that the motherboard design has a very big depend on the rail's resistance, but I would like to know what is the smallest value for a rail that can be acceptable. For example, I heard that some new gaming motherboards can have 0,5 Ohm resistance on the GPU rail, but on an older type, it could be a sign of a shorted GPU rail.
So, I generated a table with AI so I can... -
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