EliteBook 840, laptop is running quite well, battery backup is around 1 hour 30 minutes, speaker sound is not clear at high volume, sound is clear at low volume, keyboard '/' button works less, sometimes it works and sometimes it doesn't, clicking the Shutdown button sometimes shuts down the laptop and sometimes it restarts. Then I turn it off manually by pressing the power button, this might be a Windows or BIOS setup problem, many have said. Exactly what you see in the picture is what you get