保存并关闭所有打开的文件,退出所有打开但不使用的程序,以查看是否可以解决问题。

有关最小内存要求的信息,请参阅软件说明文件。如果有必要,请安装附加内存。请参阅安装内存

重置内存模块,以确保计算机可以成功地与内存进行通信。请参阅内存

运行 Dell 诊断程序。请参阅 Dell 诊断程序

如 果 遇 到 其它内存问 题 —

重置内存模块,以确保计算机可以成功地与内存进行通信。请参阅内存

确保您遵循内存安装原则。请参阅安装内存

运行 Dell 诊断程序。请参阅 Dell 诊断程序

鼠标问题

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 。

检查鼠标 电 缆 —

1.检查电缆连接器的插针是否弯曲或折断,以及电缆是否损坏或磨损。将弯曲的插针弄直。

2.拔下鼠标延长电缆(如果已使用),并将鼠标直接连接至计算机。

3.关闭计算机(请参阅关闭计算机电源),为计算机重新连接鼠标电缆(如《 快 速参考 指 南 》中所示),然后重新启动计算机。

重 新启 动 计算 机 —

1.同时按 <Ctrl> 和 <Esc> 键以显示“Start”(开始 )菜单。

2.键入 u,按键盘上的箭头键以高亮度显示“Shut down”(关机 )“Turn Off”(关 闭),然后按 <Enter> 键。

3.计算机关闭电源后,为计算机重新连接鼠标电缆(如《 快 速参考 指 南 》中所示)。

4.启动计算机。

检 测鼠标 — 将可以正常工作的鼠标连接至计算机,并尝试使用该鼠标。如果新的鼠标工作正常,则原来的鼠标有故障。

检查鼠标 设置 —

1.依次单击“Start”(开始 )按钮、“Control Panel”( 控 制 面板 )以及“Printers and Other Hardware”( 打 印 机和 其它硬 件 )

2.单击“Mouse”( 鼠标)

3.尝试调整鼠标设置。

重 新 安装鼠标 驱 动程 序 — 请参阅还原操作系统

检查软件 和 硬 件冲突 — 请参阅软件与硬件不兼容的问题

网络问题

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 。

检查网络 电 缆 连接 器 — 确保网络电缆已稳固地插入计算机背面的网络连接器和网络插孔。

检查计算 机 背 面 的网络指 示灯 — 指示灯没有亮起表明没有网路通信。请更换网络电缆。有关网络指示灯的说明,请参阅控件和指示灯

重 新启 动 计算 机并再 次 登录至网络

检查网络 设置 — 请与网络管理员或者安装网络的人员联络以验证网络设置是否正确以及网络运行是否正常。

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Dell 490 manual 鼠标问题, 网络问题

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.