检 测 键 盘 — 将可以正常工作的键盘连接至计算机,并尝试使用该键盘。如果新键盘工作正常,则说明原来的键盘有故障。

检查软件 和 硬 件冲突 — 请参阅软件与硬件不兼容的问题

锁定和软件问题

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 。

计算 机无法启 动

检查诊断指 示灯 — 请参阅诊断指示灯

确保电源电 缆已稳固 地连接 至计算 机 和电源插座

计算机停止响 应

注 意 :如果无法执行操作系统关闭操作,则可能会丢失数据。

关 闭 计算 机电源 — 如果按键盘上的键或移动鼠标计算机均不响应,请按住电源按钮至少 8 至 10 秒来关闭计算机电源。然后重新启动计算机。

程序停止响 应

终止 程 序 —

1.同时按 <Ctrl>、<Shift> 和 <Esc> 键。

2.单击“Applications”(应用 程 序 )

3.单击不响应的应用程序。

4.单击“End Task”(结束 任务)

程序多次崩溃

注 :软件的安装说明通常包含在其说明文件、软盘或 CD 中。

查看软件说明 文 件 — 如果有必要,请卸载并重新安装程序。

为 较早的 Microsoft® Windows® 操作系统设计的程序

如 果您使 用 的 是 Windows XP,请 运行“Program Compatibility Wizard”(程序兼容性向导)—

程序兼容性向导可以将程序配置为在与非 Windows XP 操作系统环境相似的环境中运行。

1.单击“Start”(开始 )按钮,指向“All Programs”( 所 有 程 序 )“Accessories”( 附 件 ),然后单击“Program Compatibility Wizard”

(程序兼容性向导)

2.在欢迎屏幕上,单击“Next”( 下 一步)

3.按照屏幕上的说明进行操作。

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Dell 490 manual 锁定和软件问题

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.