In case you didn't already get it from the above sarcasm....MB repair is pretty much useless these days. PCBs are cheap to make, expensive to repair. Most repairs would take more time and money than just buying a new board, assuming you could even trace the problem spots at all.....and then, as was pointed out above, the tools needed would be even more cost prohibitive. Its not something you can do with grandpa's solder iron....and you also better have the steady hands of a surgeon.