我有一块 AMD FirePro W4100 显卡，背面有 4 个显示端口输出。我发现了一个令人恼火的限制，那就是它似乎无法以原生 2560x1440 WQHD 分辨率驱动我的 Dell UltraSharp U2713HM 27 英寸显示器。我收到的是以下消息：
上一代带有 DVI 输出的视频卡可以毫无问题地驱动此显示器。此显示器具有显示端口和 DVI 输入。显示器具有屏幕控制，但没有有关显示端口设置或模式的设置。在 AMD 控制中心应用程序中，我看到以下内容：
该显示器的规格表明它支持 DisplayPort 1.2。
该显卡是仅显示端口输出的卡，带有 4 个显示端口连接器。
即使只连接了一台显示器，我也无法在 Windows 10 中选择 2560x1440 分辨率，并显示上述警告。
我的理论是：
这是早期型号的支持显示端口的显示器，并且显示端口支持存在问题，它不支持 FirePro W4100 支持的相同显示端口版本。
我在电脑商店买到的所有显示端口电缆都是不合格的。
我需要更改一些配置或某些东西才能使显示端口工作，因为这是一台 PC，并且需要意外的复杂性和大量由供应商驱动的 BS，不像这是一台 Mac。
连接设备时的消息显示在这里，我搞不懂。它似乎是用一种看起来像英语的语言写的，但毫无意义。即使这是连接到此视频卡的唯一显示器，Windows 中也不会启用原生 2560x1440 WQHD 选项。这些消息似乎在谈论显示端口显示共享：
帮助按钮链接到一个完全无用的页面，里面全是废话，比如如果你有 HDMI 显示器，你就应该使用 HDMI 电缆，以及其他无聊且毫无意义的噪音。
这里显示噪音是因为人们可能想自己验证一下 AMD 不知道如何让帮助按钮链接到有关 DisplayPort 显示器和视频卡无法正常工作的实际帮助：
Digital Flat-Panels (DisplayPort Monitors)
The My Digital Flat-Panelsgroup becomes available in Standard View and Advanced View if you are using a digital display (such as a monitor or digital TV) that is connected through a DVI, DisplayPort, or HDMI™ connection.
A DisplayPort connection carries both digital and audio signal suitable for connecting to a home-theatre system. Use the various pages in the group to control how images appear on your display. Each page contains settings for configuring different display properties, such as improving image quality, performing color correction adjustments, and adding support for additional HDTV modes.
For graphics cards that support the DisplayPort v1.2 standard, you can connect multiple DisplayPort displays to a single DisplayPort connection as long as the displays are compatible with the standard. Displays can be connected to a hub or using a daisy chain configuration. This type of multi-display capability is made possible through the multi-stream transport feature in the DisplayPort v1.2 standard. To determine the number of displays that can be connected to your card, see DisplayPort Diagnostic Information. For more information on the DisplayPort digital display interface and standard, see http://www.displayport.org.
DisplayPort Connectivity
If your digital flat-panel and graphics card are both equipped with DisplayPort connections, you can connect the panel to your computer using a single DisplayPort cable. This cable supplies video to your digital panel. To obtain audio, a separate connection must be made from the audio output of your computer to the audio input of your digital panel.
Note:You may first need to configure your digital panel for external audio. For more information see, the documentation for your panel.
It is also possible to connect a digital flat panel to a computer if the digital panel is equipped with an HDMI or DVI input. To do this, an HDMI or DVI cable and a DisplayPort-to-HDMI or DisplayPort-to-DVI adapter is required to obtain HDMI/DVI output from the DisplayPort connection on your graphics card. For HDMI, no additional connections are required for audio. For a list of AMD-recommended DisplayPort adapters and dongles, visit http://support.amd.com/us/eyefinity/Pages/eyefinity-dongles.aspx.
Digital Flat-Panel Properties (DisplayPort Monitors)
Display Color for Digital Flat-Panels (DisplayPort Monitors)
HDTV Support for Digital Flat-Panels (DisplayPort Monitors)
答案1
这是一个常见的问题低质量的显示端口电缆。奇怪的是，即使我更换了其他显示端口电缆，我仍然会收到此消息，但尽管我收到了警告，但突然间完整的 WQHD 原始分辨率已成为我在 Windows 显示设置中可选择的选项。