Re: Sony Vaio VPC-SB26FG cannot power on

any follow up to add? I am unsure how to diagnose the board; but am having identical problems. my situation is rather urgent so I am tempted to have a new board flown here immediately. I would like to improve my odds of success here; and perhaps spare myself some uneeded expense. I am away from home and my tools limited. of possible use available is: a dated main board seriel/usb diagnostic tool, a ttl-usb adaptor, simple gas soldering iron, multimeter, aftermarket battery charger, two external batteries, and the usual assortment of drivers...