I have a macbook that I bought brand new about 18 months ago and has always worked perfectly. The other night I packed up to go home from college and turned it off. When I went to turn it on today, it wouldn't power on. I thought it was dead so I plugged it in then it turned on but it wont charge. As soon as I unplug my charger the whole laptop shuts off. Where it usually shows the percent of battery left it just shows an "x" and says "no batteries available." I've tried taking the battery out and messing with the settings but it wont stay on unless I have it plugged in.