HP dx2300 - Microtower PC Hardware Reference Manual page 27

9. Plug in the computer and turn on power to the computer.
10. Reset the date and time, your passwords, and any special system setups using Computer Setup.
Refer to the Computer Setup (F10) Utility Guide on the Documentation and Diagnostics CD.
11. Lock any security devices that were disengaged when the computer access panel was removed.
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