使用命令xrandr -o left 出现下面提示
X Error of failed request :BadMatch(invalid attributes)
Major opcode of failed request :140 (RANDR)
Minor opcode of failed request :2(RRSetScreenConfig)
Serial number of failed request :14
Current serial number in output stream: 14
使用rgb接口的液晶屏 和 hdmi 接显示器都是一样的效果，求助
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