Chromebook 11 3180 will not turn on

I have a chromebook for personal use at home.  I've hard the motherboard (I think) repaired on it once already under the 1 yr. warranty because it would not hold a charge and randomly turn off.  It is now almost 2.5 years old and it suddenly will not turn on.  No issues with battery life or anything prior to this.  I was using it yesterday and battery was around 40-50% so I plugged it in on a shelf in the place I normally charge it, knowing I would need to use it quite a bit later.  When I got home and tried to turn it on 3 hours later it will not turn on.  There is no light on the chromebook, but the green light on the cord is still on.  I tried to charge it in a different outlet overnight and still no luck.  I have tried to do a hard reset several times (holding refresh and power button at same time).  Talked to Dell, since it is no longer under warranty I can mail it to them to diagnose and replace parts, but the prices quoted are probably more or very close to what I can buy a new one for.  Does anyone have any other suggestions I can try before I just give up and buy a different device (probably not Dell this time).