我的笔记本电脑外接显示器，只能屏幕扩展，不能复制屏幕，显卡为nvdia gefore rtx 3050，这个问题在deepin V20.9上面存在，目前安装v25.2，驱动也安装nvdia的闭源驱动，笔记本电脑外接显示器，只能屏幕扩展，不能复制屏幕，不知道这个问题是否有比较好的解决方法。

补充硬件基本信息

多屏幕设置

hunter@hunter-PC:~$ xrandr --query
Screen 0: minimum 8 x 8, current 4240 x 1440, maximum 32767 x 32767
DP-0 disconnected (normal left inverted right x axis y axis)
DP-1 disconnected (normal left inverted right x axis y axis)
DP-2 disconnected (normal left inverted right x axis y axis)
DP-3 disconnected (normal left inverted right x axis y axis)
HDMI-0 connected 1680x1050+2560+0 (normal left inverted right x axis y axis) 470mm x 300mm
1680x1050 59.95 + 74.89*
1600x900 60.00
1440x900 74.98 59.89
1366x768 59.79
1360x768 60.02
1280x1024 75.02 72.00 60.02
1280x800 59.81
1280x768 59.99
1280x720 60.00 59.94 50.00
1152x864 75.00
1024x768 75.03 70.07 60.00
800x600 75.00 72.19 60.32
720x576 50.00
720x480 59.94
640x480 75.00 72.81 59.94 59.93
DP-4 connected primary 2560x1440+0+0 (normal left inverted right x axis y axis) 340mm x 190mm
2560x1440 60.00 + 165.00*