Lenovo G40 30 Troubleshooting
Student-Contributed Wiki An awesome team of students from our education program made this wiki. The laptop will not turn on or show any signs of powering on Ensure the power cord is plugged in and charging icon in the top left of screen appear. If the power cord is plugged in and the charging icon fails to appear. The power cord is faulty and should be replaced. Try replacing it with this Battery replacement guide...