If your laptop is completely dead, not charging, showing no LED indication, or not turning on after pressing the power button, the issue is often related to the charging circuit, power IC, motherboard, MOSFETs, or other chip-level components. Professional diagnostics are recommended before replacing major parts.
Faulty charging port
Damaged power IC
Motherboard short circuit
Adapter or battery failure
Burnt MOSFET or capacitor
Liquid damage
BIOS corruption
Charging circuit failure
