I have a Samsung laptop the model number is :NP305V54 It had a bad battery but I still used it one day I plugged in my camera and it died it wouldnt turn on so I unplugged my camera and it started up again so I plugged in my camera and it shut off again so I unplugged it and said no more I pressed the power button and it started to glow but nothing happened it did not make a noise I dont know whats wrong with it I have searched everywhere for how to fix it but found nothing. PLEASE HELP!!! and before you say anything like hold down the power button for 30 seconds and see if it turns on dont please dont say anything dumb like that unless you know what is wrong with it or think you know what would work...Like I said earlier. PLEASE HELP!!!