HP Elite 7300 MT Servicing Manual page 10

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.
8 Upgrading and Servicing Guide
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.
Features may vary by model.