Laptop staring problem

i have sony vaio vpcf133fx ,today i was working on my laptop but unfrortunately i didnt see my battery getting down and my laptop switched off.but then i connected cahrger and started and tried to start it but it its not working properly
problem is with starting,starting for just few seconds and again getting switched off,i connected the charger to laptop its also showing that the power is received by laptop ....but laptop is not working..............