Win7 常见问题及修复方法

# 启动软件时，错误弹窗：

> Failed to create OpenGL context for format QSurfaceFormat(version 2.0, options QFlags<QSurfaceFormat:FormatOption>0,depthBufferSize24 redBufferSize -1,greenBufferSize -1,blueBufferSize -1, alphaBufferSize 8, stencilBufferSize 8, samples -1, swapBehavior QSurfaceFormat:DoubleBuffer, swaplnterval 1, colorSpace QSurfaceFormat:DefaultColorSpace, profile QSurfaceFormat:NoProfile).  
> This is most likely caused by not having the necessary graphics drivers installed.  
>  
> Install a driver providing OpenGL 2.0 or higher, or, if this is not
possible, make sure the ANGLE Open GL ES 2.0 emulation libraries (libEGL.dll, libGLESv2.dll and d3dcompiler_*.dll) are available in the application executable's directory or in a location listedinPATH.

![输入图片说明](https://foruda.gitee.com/images/1711723553014974139/ea475760_9510676.png "屏幕截图")

# 可能的发生条件：

- win7 早期版本，或更老的windows系统
- 显卡驱动不全，或显卡（包括核显）型号太老
- 部分虚拟机环境

# 修复方法：

下载： [opengl32sw_64位.zip](https://github.com/hiroi-sora/Umi-OCR_v2/files/13167436/opengl32sw_64.zip)

解压，将其中的两个dll文件放置于 `UmiOCR-data/site-packages/PySide2/`

hiroi-sora/Umi-OCR

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