Laptop not charging caused by many things including the broken charger unit or the problem of the component at the laptop motherboard, lets discuss about this.
1. Laptop not charging because the power source cannot get into the motherboard. For this problem, we can analyze it using a multitester. Open the laptop casing and take out the motherboard of the laptop, and then look at the charger port at the motherboard.
But if at the place above the voltage appear, the problem will very complex. Maybe the laptop not charging caused by the broken IC charger or the main mosfet, and we should have enough electronics basic knowledge to find the problem source.
2. Laptop not charging caused by the broken Capacitor. This happen indicated by the lost voltage of the charger unit when plug into the laptop.
3. Or laptop not charging caused by some trouble of the chipset that working as controller of the charger chips of the motherboard
Some problems we cannot discuss here because very complex, but next time i want to share base of my experience about fix a laptop not charging.