Signs indicating the DC Power Jack might be faulty and need repair or replacement:

- Laptop wouldn’t power up unless the power lead is held in one position.- When the power lead is wiggled, it makes or losses contact.- Laptop only runs on battery power even power cable plugged in.- Laptop suddenly changes from battery to AC power.- Intermittent charging or battery wouldn't charge.- The pin in the centre of the jack is loose, pushed in, broken or missing.- The whole connector is loose, pushed in, broken or missing.- When power is connected sparks come out or smells of burnt out.- The battery charge light wouldn't come on (lights up) when power is connected.- The battery charge light (LED) s when the tip of the AC adapter moves.- The screen s between bright and dim when the tip of the charger moves “Scratching” sound is coming from the DC socket when the power is connectedJack has broken because excessive pressure applied when plugging in or someone tripped over the power lead or laptop dropped and fallen down on socket while plugged in.- Your laptop will not power up at all (a dead laptop).