Check that the power outlet works
Try a different wall outlet
Verify the charger is plugged in securely
Inspect the charger cable for damage
Try a known-good compatible charger
Remove the battery if it is removable
Hold the power button for 15 to 30 seconds
Disconnect all external devices
Reseat the RAM if accessible
Check for charging or power indicator lights
Let the laptop charge for at least 20 to 30 minutes
Try a hard reset if supported by the model
Test with the battery removed and charger connected
Look for signs of overheating or physical damage
Clean the charging port gently
Try an external display if the screen may be the issue
Contact the manufacturer or a repair technician if it still will not turn on