错误信息

注:如果信息未在其中列出,请参阅显示该信息时所运行操作系统或程序的说明文件。

如果计算机在启动期间出现错误,显示器屏幕将会显示一则说明问题的信息。有关解决任何问题的建 议,请参阅《用户指南》中的错误信息

诊断指示灯

警告:在开始本节中的任何过程之前,请先参阅《产品信息指南》中的安全说明。

为帮助您排除故障,计算机前面板配备了四个指示灯,分别标有“1”“2”“3”“4”。这些 指示灯可能处于熄灭状态或呈绿色。计算机正常启动时,这些指示灯将闪烁。如果计算机出现故 障,可以根据指示灯及电源按钮的模式帮助确定问题所在。这些指示灯还可以指示休眠状态。

开机自测 (POST) 之前的诊断指示灯代码

诊断指示灯

电源指

问题说明

建议的解决方案

 

示灯

 

 

 

 

 

 

 

熄灭

计算机未接通电源。

将计算机连接至电源插座。确保前面板上的

 

 

 

电源指示灯亮起。如果电源指示灯不亮,请

 

 

 

确保计算机已连接至可正常工作的电源插座,

 

 

 

然后按电源按钮。

 

 

 

如果仍未解决问题,请与 Dell 联系获得技术

 

 

 

帮助。

 

 

 

 

熄灭

计算机处于正常关机状态, 按电源按钮即可打开计算机。

 

 

并且已连接至电源插座。

如果计算机无法打开,请确认前面板的电源

 

 

 

 

 

 

指示灯是否已亮起。如果电源指示灯熄灭,

 

 

 

请确保将计算机连接至可以正常供电的电源

 

 

 

插座,然后按下电源按钮。

 

 

 

如果仍未解决问题,请与 Dell 联系获得技术

 

 

 

帮助。

 

 

 

 

呈绿色

计算机处于节能或休眠使用其中一种合适的方法来唤醒计算机。

 

闪烁

状态。

请参阅《用户指南》中的高级功能

 

 

 

如果仍未解决问题,并且您尝试使用 USB

 

 

 

标或键盘来唤醒计算机,请将鼠标或键盘替

 

 

 

换为可以正常工作的 PS/2 鼠标或键盘,然后

 

 

 

尝试唤醒计算机。

 

 

 

 

呈绿色

计算机处于节能或休眠使用其中一种合适的方法来唤醒计算机。

 

闪烁

状态。

请参阅《用户指南》中的高级功能

如果仍未解决问题,并且您尝试使用 USB 鼠 标或键盘来唤醒计算机,请将鼠标或键盘替 换为可以正常工作的 PS/2 鼠标或键盘,然后 尝试唤醒计算机。

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快速参考指南

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Dell PD055 manual 错误信息, 开机自测 Post 之前的诊断指示灯代码

PD055 specifications

The Dell PD055 is a versatile and innovative monitor designed to meet the needs of professionals, gamers, and everyday users alike. This model combines advanced technology with user-friendly features, making it a popular choice for those seeking high-quality visual performance and productivity enhancements.

One of the standout features of the Dell PD055 is its stunning 4K Ultra HD resolution. With a resolution of 3840 x 2160 pixels, users can experience exceptionally sharp and vivid images, allowing for immersive viewing whether for work or leisure. This high pixel density ensures that text is crisp and graphics are displayed with remarkable detail, perfect for photo editing, design work, and gaming.

The monitor boasts an IPS (In-Plane Switching) panel, which provides excellent color accuracy and wide viewing angles. This ensures that colors remain consistent and vibrant even when viewed from different angles, making it ideal for collaborative work environments or media consumption with multiple viewers.

Another key characteristic of the Dell PD055 is its sleek and modern design. The ultra-thin bezels maximize the screen space, reducing distractions and providing a more immersive viewing experience. Additionally, the adjustable stand allows users to easily change the height, tilt, and swivel of the monitor, promoting ergonomic use and comfort during long working hours.

Connectivity is also a highlight of the PD055. It offers a range of ports, including HDMI, DisplayPort, and USB-C, providing versatility when connecting to various devices. The inclusion of USB hubs allows for easy access to peripherals, enhancing workflow and productivity.

Furthermore, the Dell PD055 integrates advanced technologies aimed at improving the user experience. Features such as flicker-free technology and a low blue light mode help to reduce eye strain during extended use, making it a suitable choice for those who spend long hours in front of a screen.

In summary, the Dell PD055 is a powerful monitor that combines 4K resolution, IPS technology, and ergonomic design, catering to the diverse needs of users. Its innovative features and thoughtful design ensure that it stands out in the competitive monitor market, appealing to professionals and casual users alike who seek quality, performance, and comfort. With its exceptional capabilities, the PD055 is an excellent investment for anyone looking to enhance their visual experience.