Your computer can turn off due to power overload in the AC adapter, overheated processor / clogged fan, overheated battery, pushing the power button, Windows telling it to, the BIOS telling it to, loose wires (especially the power cord), or intermittent short circuits. The most common problem is cooling.
- Does not power on
- Does not charge battery
- No power at all.
- Loose power port.
- Lights comes on for a few seconds then the laptop turns back off.