sudo service network-manager restart
duplicates this problem, as well as trying to select another or the same network again.
Wi-Fi only works after rebooting. The wired connection works fine. I am using Ubuntu 18.04.2 LTS.
The output of sudo lshw -C network
when Wi-Fi is working is:
*-network
description: Wireless interface
product: Realtek Semiconductor Co., Ltd.
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:02:00.0
logical name: wlo1
version: 00
serial: 9c:30:5b:d2:fa:8b
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=rtl8723de ip=192.168.0.87 latency=0 multicast=yes wireless=IEEE 802.11bgn
resources: irq:129 ioport:3000(size=256) memory:b1000000-b100ffff
And when Wi-Fi is not working:
*-network
description: Wireless interface
product: Realtek Semiconductor Co., Ltd.
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:02:00.0
logical name: wlo1
version: 00
serial: 9c:30:5b:d2:fa:8b
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=rtl8723de latency=0 multicast=yes wireless=unassociated
resources: irq:129 ioport:3000(size=256) memory:b1000000-b100ffff
I tried without success:
sudo systemctl restart network-manager.service
Reloading the
rtl8723de
driver by running:sudo modprobe -r rtl8723de && sudo modprobe rtl8723de