答案1
这是因为安装来宾添加后屏幕分辨率增加了。您可以尝试降低分辨率。以下是更改设置的步骤。
从https://help.ubuntu.com/stable/ubuntu-help/look-resolution.html.en
Open the Activities overview and start typing Settings.
Click on Settings.
Click Devices in the sidebar.
Click Displays in the sidebar to open the panel.
If you have multiple displays and they are not mirrored, you can have different settings on each display. Select a display in the preview area.
Select the resolution or scale, and choose the orientation.
Click Apply. The new settings will be applied for 20 seconds before reverting back. That way, if you cannot see anything with the new settings, your old settings will be automatically restored. If you are happy with the new settings, click Keep Changes.