请参阅lspci-nnk| grep 0280 -A2
04:00.0 Network controller [0280]: Intel Corporation Centrino Wireless-N 2230 [8086:0888] (rev c4)
Subsystem: Intel Corporation Centrino Wireless-N 2230 BGN [8086:4262]
Kernel driver in use: iwlwifi
sudo lshw -class network
*-network
description: Wireless interface
product: Centrino Wireless-N 2230
vendor: Intel Corporation
physical id: 0
bus info: pci@0000:04:00.0
logical name: wlp4s0
version: c4
serial: 68:17:29:49:a9:8a
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=iwlwifi driverversion=4.9.4-040904-generic firmware=18.168.6.1 ip=192.168.43.42 latency=0 link=yes multicast=yes wireless=IEEE 802.11
resources: irq:30 memory:f2500000-f2501fff
*-network
description: Ethernet interface
product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:05:00.0
logical name: enp5s0
version: 07
serial: 28:d2:44:15:f7:93
size: 10Mbit/s
capacity: 1Gbit/s
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=half firmware=rtl8168e-3_0.0.4 03/27/12 latency=0 link=no multicast=yes port=MII speed=10Mbit/s
resources: irq:26 ioport:2000(size=256) memory:f1404000-f1404fff memory:f1400000-f1403fff
我已经尝试了以下线程中的解决方案,但它们对我没有作用。
https://ubuntuforums.org/showthread.php?t=2004690
请提供建议。谢谢。
答案1
在我的联想 E540 中,每当使用 USB 端口唤醒时,WiFi 就无法工作,但当没有插入 USB 时,WiFi 可以正常唤醒
您可能需要尝试在唤醒时拔下 USB 端口,然后在几秒钟后插入
我意识到这只是一种解决方法,或者可以用来查找问题的根源。