Like TVs, laptop screens start flickering after a few years. You may also notice that the screen goes blank even when the laptop is on. Alternatively, you may find white lines on the screen. We've listed some of the most common laptop display problems along with DIY solutions... Laptop does not turn on This does not necessarily mean that there is a problem with the motherboard. If your laptop is shutting down every few minutes and not turning on, chances are the power adapter is faulty. You can get professional help to repair and replace the power adapter, if necessary. It is also possible that the DC power jack is broken. A DC connector (or DC jack) is an electrical connector that supplies fixed power to the device. If the DC jack is broken, you can try adjusting the angle of the plug in its socket. If you see a few lights but the device still won't start, it's time to replace the DC plug. If that doesn't help, that's a clear indication of a motherboard-related pr