HP Compaq Pro 4300 Small Form Factor Reference Manual page 50

b. Insert the new battery and position the clip back into place.
Figure A-3
NOTE:
9. Replace the access panel.
10. If the computer was on a stand, replace the stand.
11. Plug in the computer and turn on power to the computer.
12. Reset the date and time, your passwords, and any special system setups using Computer
Setup.
13. Lock any security devices that were disengaged when the access panel was removed.
44 Appendix A Battery Replacement
Removing a Coin Cell Battery (Type 3)
After the battery has been replaced, use the following steps to complete this procedure.