Just click your Hp HDX notebook premium notebook charger model series below; this will then take you to the correct Hp HDX series page, you should then find a list of Hp HDX notebook models, all you need to do is click you HDX model and it will show you the correct power adapter. If your model is not listed within these pages then you can also check at the bottom of the page as the 2 most common HDX laptop chargers are listed. Due to the very high wattage and amperage outputted by these chargers we only recommend true genuine HP HDX power adapters.