HP EX490 MediaSmart Server - Manual (Page 239)

Server Storage
5. Using a coin, turn the security knob counterclockwise to lock system drive in its bay.
6. Close the door on the front of the server.
7. Power on the server.
8. The HP MediaSmart Server lights will pulsate aqua white.
9. Perform a Factory Reset to initiate the drive. See Server Recovery and Factory Reset .
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