12.Tighten the screw, securing the side panel to the back of the computer.
13.Plug the power cord and any additional cables into the back of the computer.
14.Press the power button to turn on the computer.
NOTE: If your hard disk drive was shipped without an operating system installed, you will need to reinstall it using the system recovery discs.
To install the operating system, refer to the instructions included with your system recovery discs, or available from the HP support site (www.hp.com/support).
After the operating system has been installed, you will need to reinstall any applications and restore any data you backed up.
8 | Upgrading and Servicing Guide | Features may vary by model. |