手机爆屏换屏后为什么变蓝屏？（手机换屏两天后出现蓝屏模糊）

手机屏幕变成蓝色的排查方法如下：

1、重启手机，启动后仔细观察屏幕颜色是否恢复到正常。

2、更换手机壁纸尝试，观察屏幕颜色是否恢复到正常。

3、检查系统设置 如果重启手机后，屏幕仍然变色，不是正常的颜色，检查一下系统相关颜色设置。在手机桌面上找到设定，进入辅助功能，如果有类别的话，选择视觉，在视觉里面找到负色，看看这一项是否被勾选。在正常情况下，是不应该被勾选。 手机屏幕颜色都是由红绿蓝三原色组成的颜色，即为正色。负色，负色是在正色基础上，过滤了白光，通常被用打印。查看下是否开启了负色的功能，关闭然后重启手机查看。

4、显示排线 显示排线是主板显示IC与显示屏之间的视频信号传输线，如果显示排线虚焊或者松动了，也会导致手机屏幕变色或者出现垂直线。

5、备份数据（联系人、短信、照片等），恢复出厂设定。

6、问题依然存在，建议携带手机至当地的该手机售后服务中心进行检测。

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