User Guide

User Guide
使用显示屏:Dell Inspiron 1420 用户手册

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使用显示屏

Dell™ Inspiron™ 1420 用户手册

  调节亮度

  将视频图像从计算机显示屏切换至投影机

  设置显示分辨率和刷新率



调节亮度

当 Dell™ 计算机使用电池电源运行时,您可以将显示屏亮度设置为可以舒适观看的最低级别,以节省电量。

  • 按 <Fn> 和上箭头键仅提高集成显示屏(不包括外部显示器)的亮度。

  • 按 <Fn> 和下箭头键仅降低集成显示屏(不包括外部显示器)的亮度。

注:亮度组合键仅对便携式计算机上的显示屏起作用,对连接至便携式计算机的显示器或投影机则不起作用。如果尝试在计算机连接了外部显示器时更改亮度级别,则系统可能会显示“亮度表”,但不能更改外部显示器的亮度级别。

将视频图像从计算机显示屏切换至投影机

如果计算机在启动时连接了外部设备(例如外部显示器或投影机)并且外部设备电源已打开,则图像既可能显示在计算机显示屏上,也可能显示在外部设备上。

按 <Fn><F8> 组合键可以切换视频图像,使其仅显示在显示屏上、仅显示在外部设备上或者同时显示在显示屏和外部设备上。


设置显示分辨率和刷新率

注:如果将当前设置的显示分辨率更改为计算机或显示屏不支持的分辨率,则图像可能显得模糊或文本可能显示不清楚。在更改任何显示设置之前,请先记下当前设置,以便在需要时更改回先前的设置。

通过调节显示分辨率,您可以使屏幕上的文本更易辨认及更改图像外观。分辨率越高,屏幕上显示的项目越小。相反,低分辨率会使屏幕显示的文本和图像显示得较大,有助于视力不好的用户。要在特定分辨率下显示某个程序,则视频卡和显示屏均必须支持该程序,并且须安装必要的视频驱动程序。

注:请仅使用 Dell 安装的视频驱动程序,这些程序专用于与 Dell 安装的操作系统配合使用以提供最佳性能。

如果您选择的分辨率或调色板超出显示屏支持的范围,设置将自动调整为最接近的支持值。

要设置显示屏分辨率和刷新率,请:

  1. 单击开始 ® “控制面板”

  2. “外观和个性化”下,单击“调整屏幕分辨率”

  3. “显示设置”窗口,在“分辨率”下,向左或向右滑动滑块以降低/提高屏幕分辨率。

注:有关其它说明,请单击“我如何才能获得最佳显示?”

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