User Guide66www.nec-computers.comPowering On Your System1. Make sure all external devices, such as a video display, keyboard, and mouse(optional) have been connected, and the power cords are connected.2. Power on the video display and any other external devices.Note: If the server power cord(s) is connected to a powercontrol unit such as an UPS (Uninterruptible Power Supply)make sure that the power control unit is powered on.3. Open the front door (tower-based system only) and press the push-buttonpower on/off switch (1) on the front panel.The server power lamp (2) lights.Figure 38: Power Switch and Power Lamp1: Power switch2: Power lamp4. If the server power lamp is not lit, ensure the AC power cord is connected to afunctional AC power source.After a few seconds your system begins the internal Power-On Self Tests (POST).POST checks the motherboard, CPU(s), memory, keyboard, mouse, and most installedperipheral devices. POST also displays the start messages of the BIOS setup utilityduring execution.The POST check results should be checked in the following cases:■ When the server is being used for the first time.■ When the server appears to fail.■ When the server beeps many times between power-on and OS start-up.■ When an error message appears on the screen.21
