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[求助]2D72更新变砖怎么办

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Post time 2020-11-4 04:47:16 | Show all posts |Read mode
刚到手的2D72,一开始机子测试功能正常。
安装pc驱动和软件后连接示波器,软件内点"检查更新",安装dfu驱动,点"开始"按钮后,按提示关闭电源、按F1+开机、等右下角按钮亮起时松开两个按键,然后就开始更新固件,更新到一半提示出错,似乎是"bad state machine in firmware"什么的,忘记截图..
现在机子不连接电脑时黑屏,按任何按键没有反应;连接电脑时左下角开机键亮红灯,按任意键也没反应。连接电脑前按住F1再连usb线也是没反应。所有情况下电脑设备管理器找不到示波器设备。
这样要怎么办,有救吗?
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Post time 2020-11-5 17:02:07 | Show all posts



您好,请取出两块电池,再安装,是否可以开机?

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 Author| Post time 2020-11-6 00:51:47 | Show all posts
amy replied at 2020-11-5 17:02
您好,请取出两块电池,再安装,是否可以开机?

取出电池后再安装,没有任何变化,无法开机

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 Author| Post time 2020-11-6 01:06:57 | Show all posts
amy replied at 2020-11-5 17:02
您好,请取出两块电池,再安装,是否可以开机?

按照rescure.txt的操作步骤,用拯救模式恢复了,现已可以开机。多谢!

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 Author| Post time 2020-11-6 05:26:33 | Show all posts
amy replied at 2020-11-5 17:02
您好,请取出两块电池,再安装,是否可以开机?

另外问一下,示波器打开并连接电脑软件时,波形刷新很慢,大约1.6秒才刷新一次,这样是否正常?有没有办法加快刷新频率,比如让示波器端关闭显示而只在电脑端显示之类的?

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Post time 2020-11-6 16:58:34 | Show all posts
这个是正常的。目前还没有更好的实现。
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