update nanokvm pro usb display docs

docs/hardware/en/kvm/NanoKVM_Pro/lcd.md

@@ -53,6 +53,24 @@ Currently, the USB secondary screen feature only supports Windows systems.
 
 5. Right-click the device → `Update Driver` → `Browse my computer for drivers` → `Browse` → Select the USB secondary screen driver folder → `Next` → Follow the prompts to complete installation.
 
+   > If you encounter errors like "Windows found drivers for your device but encountered an error while attempting to install them" during driver installation, you can use the following methods to resolve this:
+   >
+   > **Method 1: Temporarily Disable Driver Signature Enforcement**
+   > 1. Hold down the `Shift` key, click `Start Menu` → `Restart`
+   > 2. After entering Advanced Startup Options, select `Troubleshoot` → `Advanced options` → `Startup Settings` → `Restart`
+   > 3. After restart, press `F7` or `7` to select `Disable driver signature enforcement`
+   > 4. Reinstall the driver after the system starts
+   > 5. Note that this method may not work on newer Windows 11 versions
+   >
+   > **Method 2: Enable Test Mode (Requires Secure Boot to be Disabled)**
+   > 1. Enter the BIOS setup and disable Secure Boot following your motherboard's instructions
+   > 2. Open `Command Prompt` or `PowerShell` as Administrator
+   > 3. Execute the command: `bcdedit /set testsigning on`
+   > 4. Restart your computer, then you can install unsigned drivers
+   > 5. To disable test mode, execute: `bcdedit /set testsigning off` and restart
+   >
+   > **Note**: In test mode, a "Test Mode" watermark will appear in the bottom-right corner of the desktop. This is normal behavior.
+
 6. After driver installation is complete, a new NanoKVM graphics device will appear in the `Display adapters` section.
 
 7. On the Desk, navigate to the secondary screen page from the screen and select USB to use the Desk as a USB secondary screen.

docs/hardware/zh/kvm/NanoKVM_Pro/lcd.md

@@ -50,6 +50,24 @@ NanoKVM-Pro工作时就是虚拟为显示器，所以可以采集HDMI图像并
 
 5. 右键该设备 → `更新驱动程序` → `浏览我的电脑以查找驱动程序` → `浏览` → 选择 USB 副屏驱动文件夹 → `下一步` → 按提示完成安装。
 
+   > 如果在安装驱动时遇到"Windows 已找到设备的驱动程序，但在尝试安装它们时遇到错误"或类似错误，可以选择以下方法解决：
+   >
+   > **方法一：临时禁用驱动程序强制签名**
+   > 1. 按住 `Shift` 键，点击 `开始菜单` → `重启`
+   > 2. 进入高级启动选项后，选择 `疑难解答` → `高级选项` → `启动设置` → `重启`
+   > 3. 重启后按 `F7` 或 `7` 选择 `禁用驱动程序强制签名`
+   > 4. 系统启动后重新安装驱动程序
+   > 5. 该方法在较新的 Windows 11 版本上可能无法使用
+   >
+   > **方法二：启用测试模式（需要关闭安全启动）**
+   > 1. 进入 BIOS 设置界面，根据主板说明关闭安全启动
+   > 2. 以管理员身份打开 `命令提示符` 或 `PowerShell`
+   > 3. 执行命令：`bcdedit /set testsigning on`
+   > 4. 重启电脑后即可安装未签名驱动
+   > 5. 如需关闭测试模式，执行：`bcdedit /set testsigning off` 并重启
+   >
+   > **注意**：测试模式下桌面右下角会显示"测试模式"水印，这是正常现象。
+
 6. 驱动安装完成后，`显示适配器` 部分会出现一个新的 NanoKVM 显卡设备。
 
 7. 在 Desk 上从屏幕中进入副屏页面，选择 USB，即可将 Desk 用作 USB 副屏。