@sihlezwane there are instructions that are specifically for your system
Press and hold the power button for less than 4 seconds. If[br]
the hard drive LED turns green, then:[br]
1. Check that the voltage selector, located on the rear of the power supply on some models, is set to the appropriate voltage. Proper voltage setting depends on your region.[br]
2. Replace the system board.[br]
OR[br]
Press and hold the power button for less than 4 seconds. If the hard drive LED does not turn on green then:[br]
1. Check that the unit is plugged into a working AC outlet.[br]
2. Open computer and check that the power button board cable is properly connected to the system board.[br]
3. Check that power supply cables are properly connected to the system board.[br]
4. Check to see if the 5V_aux light on the system board is turned on. If it is turned on, then replace the power button board.[br]
5. If the 5V_aux light on the system board is off, then replace the power supply.[br]
6. Replace the system board.
Check all of those things out and use the [document|35762] to work on your computer.