I have a HP Pavilion 17-e079nr Notebook PC (ENERGY STAR). Recently, I have been encountering a black screen saying "Boot device not found" after the screen saver begins to start up. I restarted the computer and it worked fine even though the start up took longer than usual. After this happened a few more times, I changed the screen saver and that seemed to fix the problem, until now. I encountered this error message again while I was watching a video. I restarted it and after a slow start up it worked fine. Then the screen saver came on and the error message showed up again. I ran the systems diagnostics and it said no hard drive was detected, so I restarted and it is working again. I have three weeks left in my warranty so I want to make sure this gets fixed before it expires.
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