我在 XPS 15 9560 上使用 Ubuntu 20.04，安装了该system76-power软件包以随意禁用 GPU，因为 90% 的时间我都不需要它。它完美地工作了几个月，但现在我在它和一个nvidia-prime包（可能来自nvidia-driver-440/focal-updates 450.66-0ubuntu0.20.04.1）之间发生了冲突。
$ sudo apt upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating upgrade... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to …