全新戴尔 g3 上未检测到指纹读取器，其预装了 ubuntu 16.04。
这是 lspci 的输出
00:00.0 Host bridge: Intel Corporation 8th Gen Core Processor Host Bridge/DRAM Registers (rev 07)
00:01.0 PCI bridge: Intel Corporation Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor PCIe Controller (x16) (rev 07)
00:02.0 VGA compatible controller: Intel Corporation Device 3e9b
00:04.0 Signal processing controller: Intel Corporation Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor Thermal Subsystem (rev 07)
00:08.0 System peripheral: Intel Corporation Xeon E3-1200 v5/v6 / E3-1500 v5 / 6th/7th Gen Core Processor Gaussian Mixture Model
00:12.0 Signal processing controller: Intel Corporation Cannon Lake PCH Thermal Controller (rev 10)
00:14.0 USB controller: Intel Corporation Cannon Lake PCH USB 3.1 xHCI Host Controller (rev 10)
00:14.2 RAM memory: Intel Corporation Cannon Lake PCH Shared SRAM (rev 10)
00:14.3 Network controller: Intel Corporation Wireless-AC 9560 [Jefferson Peak] (rev 10)
00:15.0 Serial bus controller [0c80]: Intel Corporation Device a368 (rev 10)
00:15.1 Serial bus controller [0c80]: Intel Corporation Device a369 (rev 10)
00:16.0 Communication controller: Intel Corporation Cannon Lake PCH HECI Controller (rev 10)
00:17.0 SATA controller: Intel Corporation Device a353 (rev 10)
00:1d.0 PCI bridge: Intel Corporation Cannon Lake PCH PCI Express Root Port 9 (rev f0)
00:1d.5 PCI bridge: Intel Corporation Device a335 (rev f0)
00:1f.0 ISA bridge: Intel Corporation Device a30d (rev 10)
00:1f.3 Audio device: Intel Corporation Cannon Lake PCH cAVS (rev 10)
00:1f.4 SMBus: Intel Corporation Cannon Lake PCH SMBus Controller (rev 10)
00:1f.5 Serial bus controller [0c80]: Intel Corporation Cannon Lake PCH SPI Controller (rev 10)
01:00.0 3D controller: NVIDIA Corporation GP107M [GeForce GTX 1050 Ti Mobile] (rev ff)
02:00.0 Non-Volatile memory controller: Toshiba America Info Systems Device 0113 (rev 01)
03:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 15)
这是 lsusb 的输出
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 005: ID 27c6:5301
Bus 001 Device 004: ID 0bda:0129 Realtek Semiconductor Corp. RTS5129 Card Reader Controller
Bus 001 Device 003: ID 0bda:568a Realtek Semiconductor Corp.
Bus 001 Device 002: ID 24ae:1100
Bus 001 Device 006: ID 8087:0aaa Intel Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
更新 ： 这是指纹传感器设备的名称：Goodix GF3208
戴尔尚未对此设备提供支持 https://www.dell.com/community/Linux-General/No-driver-for-fingerprint-scanner-Goodix-GF3208-on-Linux/mp/6242579
而且 fprint 不支持它 https://fprint.freedesktop.org/supported-devices.html
答案1
在谷歌上搜索后，我找到了这个解决方案，它对我有用，请查看原始帖子这里
sudo sh -c 'cat > /etc/apt/sources.list.d/focal-dell.list << EOF
deb http://dell.archive.canonical.com/updates/ focal-dell public
deb http://dell.archive.canonical.com/updates/ focal-oem public
deb http://dell.archive.canonical.com/updates/ focal-somerville public
deb http://dell.archive.canonical.com/updates/ focal-somerville-melisa public
EOF'
笔记 ：你必须一次性输入整个命令，这就是为什么整个命令在''
然后逐一输入这些命令
sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys F9FDA6BED73CDC22
sudo apt update -qq
sudo apt install oem-somerville-melisa-meta libfprint-2-tod1-goodix oem-somerville-meta tlp-config -y
sudo add-apt-repository ppa:boltgolt/howdy -y
sudo apt update -qq
sudo apt install howdy -y