If you did not make you Recovery Media -which you would have been prompted to do- you can contact HP Support in your area to order it: >>Contact HP
Recovering data on a dying hard drive depends on how much life is left in it. You should be able to install it in a USB HDD Enclosure or USB HDD Adapter and plug it into a usb port of a working machine. The machine will detect it as another hard drive to browse and copy files off to host machine.
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