天气预报 > 其他 > 电脑显示屏变得很绿.怎么回事
电脑显示屏变得很绿.怎么回事
更新时间: 2020-10-26 00:00:00  

电脑显示屏绿屏分为以下两种情况:

1、显示屏绿屏,但还能看清其他颜色和画面,你可以打开显示器,调整一下绿视放截止电位器就可以;

2、显示屏绿屏,不显示任何画面,这种情况是绿视放三极管损坏或者是显象管老化所致。可用万用表检查,测绿视放三极管集电极对地电压,一般很低,大致20伏特以下,拔下管座,再测绿视放三极管集电极对地电压,若和前次测得差不多,则绿视放三极管损坏,若该电压升至180伏特左右,则为显象管故障。

关键词: 电脑 显示屏 怎么 回事

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