Install the PCI air baffle CAUTION: For proper cooling do not operate the server without the access panel, baffles, expansion slot covers, or blanks installed. Procedure Install the PCI air baffle. Install the front bezel. Install the access panel. Do one of the following: Server in rack mode: Install the server into the rack. Server in tower mode: Return the server to an upright position. Connect all peripheral cables to the server. Connect each power cord to the server. Connect each power cord to the power source. Power up the server.