Laptops are usually transported from place to place. The travels take their toll along with time to cause various odd failures. I've seen sockets that we reflow the solder to reconnect the socket on few year old machines. It's very high tech repair and I don't suggest this to anyone that would ask "how do I fix that?" since that's a sign they are not ready to perform such a repair.
when i tried to turn it on by pressing that start button, the start light stayed on for a few seconds, then it is off again. i tried several times. nothing happened.
so i opened the memory slot, and just switch the memory card to the other slot. then it seems to work again.
does anyone know what happened? bad connection of the memory card?