检查软件 和 硬 件冲突 — 请参阅软件与硬件不兼容的问题

电源问题

请在完成以下各项检查时填写诊断程序核对表

警 告 :开始执行 本节中 的 任 何步骤之 前 ,请 阅 读并遵 循《产品 信 息 指 南》中 的 安 全说明 。

警 告 :为防 止触电,请始终在 打开主 机盖之 前断开 计算 机与电源插座 的连接 。

注 意 :为防止静电损害计算机内部组件,请在触摸计算机的任何电子组件之前,先导去身上的静电。您可以通过触摸计算机上未上漆的金属表面导去身上的静电。

如 果电源 指 示灯呈绿色 亮 起 , 而计算 机没有响 应 — 请参阅诊断指示灯

如 果电源 指 示灯呈绿色闪 烁 — 计算机处于等待模式。按键盘上的任意键或移动鼠标可以恢复正常运行状态。

如 果电源 指 示灯不 亮 — 计算机已关闭电源或未接通电源。

在计算机背面的电源连接器和电源插座中重置电源电缆。

如果将计算机连接至配电盘,请确保已将配电盘连接至电源插座并且配电盘已打开。同时绕过电源保护设备、配电盘和电源延长电缆,以验证计算机可以正常打 开。

使用其它设备(例如台灯)检测电源插座,确保电源插座能够正常工作。

确保主电源电缆和前面板电缆已稳固地连接至系统板。

如 果电源 指 示灯呈 琥 珀 色 和绿色亮起或呈琥珀色稳定 亮 起 — 设备可能出现故障或者未正确安装。

卸下并重新安装内存模块。请参阅内存

卸下并重新安装所有插卡。请参阅插卡

卸下并重新安装图形卡(如果有)。请参阅插卡

请参阅诊断指示灯

如 果电源 指 示灯呈 琥 珀 色闪 烁 —

计算机已接通电源,但可能存在内部电源问题。

确保处理器电源电缆已稳固地连接至系统板。

请参阅诊断指示灯

消 除 干扰 — 某些可能的干扰因素包括:

电源、键盘和鼠标的延长电缆

配电盘上设备过多

同一电源插座上连接了多个配电盘

打印机问题

请在完成以下各项检查时填写诊断程序核对表

警 告 :开始执行 本节中 的 任 何步骤之 前 ,请 阅 读并遵 循《产品 信 息 指 南》中 的 安 全说明 。

注 :如果您的打印机需要技术支持,请与打印机的制造商联络。

查看 打 印 机说明 文 件 — 请参阅打印机说明文件以获得安装和故障排除信息。

确保 打 印 机 已 打开

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Dell 490 manual 电源问题, 打印机问题

490 specifications

The Dell PowerEdge 490 is a versatile and robust server designed to meet the demands of small to medium-sized enterprises. This server combines powerful performance with advanced features, making it suitable for various applications, from data storage to running critical applications.

One of the standout features of the Dell 490 is its support for dual Intel Xeon processors. The Xeon architecture provides exceptional processing power, enabling the server to handle complex tasks and multiple workloads simultaneously. This dual-processor capability is essential for businesses that require high availability and performance in their server operations.

The PowerEdge 490 supports up to 32 GB of DDR2 SDRAM, allowing for efficient multitasking and improved data access speed. The server's memory capacity ensures that it can support applications that require substantial RAM, which is increasingly important in today's data-driven environments.

Storage options are another highlight of the Dell 490. It features multiple drive bays that can support SAS, SATA, or SCSI hard drives, allowing businesses to customize their storage solutions based on their specific needs. The server supports a variety of RAID configurations, including RAID 0, 1, 5, and 10, providing options for data redundancy and performance optimization.

In terms of connectivity, the Dell PowerEdge 490 is equipped with several PCI Express slots, enabling the addition of various expansion cards for enhanced functionality. Whether it’s improved networking capabilities or graphics processing, the options for customization are plentiful. This adaptability ensures that the server can evolve alongside the organization’s growing needs.

The Dell 490 also incorporates advanced energy-efficient technologies, such as power management features designed to optimize energy consumption. This not only reduces operational costs but also makes it a more environmentally friendly option for businesses concerned about their carbon footprint.

In summary, the Dell PowerEdge 490 is a reliable server that boasts a combination of powerful processing capabilities, flexible storage options, and expandability. With its energy-efficient design and robust features, it remains an excellent choice for businesses looking to enhance their IT infrastructure while ensuring performance and adaptability for the future.