4 故障排除....................................................................................................................... 33 增强型预引导系统评估 (ePSA) 诊断程序 ....................................................................................................................... 33 电池状态指示灯 ...............................................................................................................................................................33 设备状态指示灯 ...............................................................................................................................................................34 LED 错误代码 .................................................................................................................................................................. 34 5 规格.............................................................................................................................. 35 技术规格 ..........................................................................................................................................................................35 6 联系 Dell....................................................................................................................... 39 联系 Dell ...........................................................................................................................................................................39 4