ASUS X409FA battery light states

I have an ASUS X409FA Laptop, a little over a year old (out of warranty) and it suddenly won't switch on. It exhibits the following symptoms: a) Display doesn't come on at all (not even to show BIOS startup). b) Power light comes on. c) Battery light flashes white three times over 5 seconds (one flash each second with a one second gap in between), then the battery light goes off, then repeats the three flashes cycle. d) The keyboard lights operate (CAPS LOCK). e) The internal fan comes on. No matter what I've tried, this PC STILL will not do anything. I've tried replacing RAM, to no avail. I'v

Question by Capnross on Super User, licensed CC BY-SA. We show a short excerpt and link to the original thread as credit.