我如何忽略此消息? W: GPG error: https://download.01.org/gfx/ubuntu/16.04/main xenial InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 56A3DEF863961D39 W: The repository 'https://download.01.org/gfx/ubuntu/16.04/main xenial InRelease' is not signed. N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use. N: See apt-secure(8) …
我的笔记本电脑是带有“ Npilfy 802.11无线”功能的Acer 5742G。 我同时拥有Windows 7和Ubuntu 12.10 早些时候,我使用Ubuntu 12.04时,无线工作正常,但是安装12.10无线后,尽管它仍在Windows中工作,但根本无法工作。 在网络管理器或“ 网络设置 ”中都看不到“无线网络” 。 这是我为rfkill获得的输出 0: acer-wireless: Wireless LAN Soft blocked: no Hard blocked: no 1: acer-bluetooth: Bluetooth Soft blocked: no Hard blocked: no 2: hci0: Bluetooth Soft blocked: no Hard blocked: no 这是我的其他驱动程序设置的快照。 如您所见,已安装了所需的无线驱动程序。