Failed to start lightdm.service: Unit lightdm.service not found.

这个问题可能是由于 lightdm 服务未安装或未正确配置导致的。建议检查系统中是否已安装 lightdm 服务，并确保其正确配置。如果仍然无法解决问题，可以尝试重新安装 lightdm 服务或使用其他显示管理器。

相关问题

Failed to restart lightdm.service: Unit lightdm.service not found.

根据你提供的引用内容，出现"Failed to restart lightdm.service: Unit lightdm.service not found."的错误可能是由于lightdm服务未找到导致的。你可以尝试安装lightdm服务来解决这个问题。使用以下命令安装lightdm服务:

sudo apt-get install lightdm

这样lightdm服务就会安装并可用。安装完成后，你可以尝试重新启动lightdm服务，使用以下命令:

sudo systemctl restart lightdm.service

这将重新启动lightdm服务并恢复图形化登录界面。希望这能帮助你解决问题。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
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Failed to stop lightdm.service: Unit lightdm.service not loaded.

"Failed to stop lightdm.service: Unit lightdm.service not loaded." 这个错误信息通常是由于lightdm服务未加载而导致的。要解决这个问题，可以尝试安装lightdm服务来解决。您可以使用以下命令进行安装：sudo apt-get install lightdm。安装完成后，再次尝试停止lightdm服务，应该就不会再出现这个错误了。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
- *1* *2* *3* [ubuntu从零开始搭建cuda环境（一）](https://blog.csdn.net/u014696804/article/details/103814392)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v93^chatsearchT3_1"}}] [.reference_item style="max-width: 100%"]
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