CD 和 DVD 驱 动器问 题

注 :高速 CD 或 DVD 驱动器的振动是正常现象,并且可能会产生噪音。这并不表示驱动器、CD 或 DVD 存在缺陷。

注 :由于世界各地使用的光盘格式各不相同,因而并非所有 DVD 驱动器均可识别所有 DVD 标题。

调 节 Windows 音 量 控 制 —

单击屏幕右下角的扬声器图标。

单击并向上拖动滑块,确保已调高音量。

单击所有已复选的框,确保声音未被静音。

检查扬声器 和 次 低 音扬声器 — 请参阅声音和扬声器问题

CD/DVD-RW 驱 动器写入数据时出现问题

关 闭其它程 序 — CD/DVD-RW 驱动器写入数据时,CD/DVD-RW 驱动器必须能够接收稳定的数据流。如果数据流中断,则将发生错误。向 CD/DVD-RW 驱动器中写入数 据之前,请先尝试关闭所有程序。

CD/DVD-RW 光盘写入数据 之 前 ,请在 Windows 中禁用待机模式 — 有关详情,请参阅电源管理

硬盘驱动器问 题

运行 磁盘 检查程 序 —

1.单击“Start”(开始 )按钮,然后单击“My Computer”( 我 的电 脑)

2.“Local Disk C:”( 本 地 磁盘 [C:])上单击鼠标右键。

3.单击“Properties”(属性 )

4.单击“Tools”( 工 具 )选项卡。

5.“Error-checking”(查错)下,单击“Check Now”(开始检查)

6.单击“Scan for and attempt recovery of bad sectors”(扫描并试 图恢复坏 扇区)

7.单击“Start”(开始 )

电子邮件、调制解调器和 Internet 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 。

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。

注 :请仅将调制解调器连接至模拟电话插孔。如果将调制解调器连接至数字电话网络,调制解调器将无法工作。

检查 Microsoft Outlook® Express 安 全设置 — 如果无法打开电子邮件附件:

1.在 Outlook Express 中,依次单击“Tools”( 工 具 )“Options”(选 项)“Security”( 安 全 )

2.单击“Do not allow attachments”( 不 允许附 件 )以取消复选标记。

检查电 话 线的连接 — 检查电 话插孔 —

将调制 解调器 直 接连接 至墙上 的电 话插孔 — 使 用另一条电 话 线 —

验证电话线已连接至调制解调器上的插孔。(插孔旁边有一个绿色标签或有一个连接器形状的图标。)

确保将电话线连接器插入调制解调器时听到了咔嗒声。

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Dell 490 manual 电子邮件、调制解调器和 Internet 问题, Cd 和 Dvd 驱 动器问 题, 硬盘驱动器问 题, Cd/Dvd-Rw 驱 动器写入数据时出现问题

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.