I have a friends Toshiba L50-a to try and fix but it won't turn on. I have done the power reset a few times and at this stage the power button flashes every 6 seconds but does nothing. If I remove the RAM and the battery it tries to start but keeps restarting after around 5 seconds. I think the RAM is DDR3 and this model uses DDR3L. could this be the problem? He got it cheap because it wasn't working. The charger is a 3rd party adapter but the lights come on the front when it is plugged in.
Technology is always backwards compatible Jeff not the other way around. Hopefully, you getting me, what I mean. You can surely use DDR3L on DDR3 slots but using DDR3 on DDR3L is not supposed to work. As far as I know they both use different voltage. Try using a DDR3L ram, just buy one RAM and see if that helps, and Yes, also try a different charger.
And if you have fixed it, do let us know, how you fixed it.