Toshiba Satellite U405D S2902 Troubleshooting
Student-Contributed Wiki An awesome team of students from our education program made this wiki. There is no response at all from pressing the power button. If your laptop will not turn on or turns on then suddenly turns off, check to make sure the battery is fully installed and charged. If the battery needs replacing follow the Battery Installation Guide. If the laptop is plugged in and still will not start or will turn on then suddenly turn off, check that the power cable is fully plugged into the laptop and that the cord is not frayed....