您可以从更新看，这个问题已经在系统更新后，系统会提示客场重启。所以，是否有人在这里结束了一个类似的问题，你已经通过所有其他的可能性消失，请尝试重新启动。

You can see from the updates, that the problem has gone away after a system-update prompted reboot. So if anyone else has ended up here with a similar problem and you've gone through all the other possibilities, try rebooting.