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possible cause of ylod?
personally, i would def replace the solder on those. just use a wick or a sucker, then resolder it.
take a pic of the other side of the same spot and upload it.
you can get ylod from hardware and sodtware. so resolving this will be a step in the right direction. you should also trace out the bus going to this and coming from it and see if anything else looks bad. you should also check your PSU just incase its surging the mobo.
thats where i would start.
also... what is the mobo model?