38 Replacing and Adding Internal DevicesInstalling a hot-swap driveIf you are adding a drive to an empty drive slot, you must first remove theair baffles from the drive carrier. If you are replacing an existing drive, removethe old drive as described in “Removing a hot-swap drive” on page 36.To install a hot-swap drive:1 Follow the static electricity precautions in “Preventing static electricitydischarge” on page 25.2 Remove the drive carrier as described in “Removing a hot-swap drive”on page 36.3 Remove the four screws that secure the air baffles to the drive carrier. Ifyou are removing an existing drive, the same four screws secure the olddrive to the carrier.