电脑是戴尔G3笔记本，俩显卡（核显/独显），显卡驱动已经安装好了，但一直切换不到独显模式，连接不到外接显示器。按照网上的教程，类似这样的https://blog.csdn.net/qq_37151416/article/details/107975417?ops_request_misc=%257B%2522request%255Fid%2522%253A%2522171133633816800226546238%2522%252C%2522scm%2522%253A%252220140713.130102334.pc%255Fall.%2522%257D&request_id=171133633816800226546238&biz_id=0&utm_medium=distribute.pc_search_result.none-task-blog-2~all~first_rank_ecpm_v1~rank_v31_ecpm-4-107975417-null-null.142^v99^pc_search_result_base8&utm_term=deepin%E5%88%87%E6%8D%A2%E5%88%B0nvidia%E6%98%BE%E5%8D%A1&spm=1018.2226.3001.4187

到dde-dock-switch_graphics_card这个插件不知道如何安装，在线求助。