However, if our laptop still doesn’t turn on, internal components are likely the issue. Here are a few ways to fix a faulty power jack (without soldering!). Most of the time, laptops that don’t turn on only have issues with an interrupted power supply. You should also check that the power connector and battery are properly plugged in. 3.6 How to turn on Laptop using wake-on LAN.3.5 How to turn on a Laptop using the Laptop lid.3.4 How to turn on a Laptop with a Wall socket.3.3 How to turn on a Laptop with Clock Battery Method.3.2 How to turn on a Laptop using the Motherboard.3.1 How to turn on a Laptop using a Keyboard.3 Step-by-step Guide to Turn on Laptop Without Power Button.2 Laptop Power Button Not Working: How to install a new power button?.