My laptop stopped showing wifi after i restarted it. I tried restarted network manager but it didn't work. It do not work even after restarting.
lshw -C network Output
*-network UNCLAIMED
description: Network controller
product: RTL8723BE PCIe Wireless Network Adapter
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:03:00.0
version: 00
width: 64 bits
clock: 33MHz
capabilities: cap_list
configuration: latency=0
resources: ioport:4000(size=256) memory:94100000-94103fff
*-network
description: Ethernet interface
product: RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:04:00.0
logical name: eno1
version: 0a
serial: b0:5a:da:d9:ab:8d
size: 10Mbit/s
capacity: 100Mbit/s
width: 64 bits
clock: 33MHz
capabilities: bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=half firmware=rtl8107e-2_0.0.2 02/26/15 latency=0 link=no multicast=yes port=MII speed=10Mbit/s
resources: irq:16 ioport:3000(size=256) memory:94004000-94004fff memory:94000000-94003fff
*-network
description: Ethernet interface
physical id: 1
logical name: enp0s20f0u6
serial: 02:35:66:51:5a:04
capabilities: ethernet physical
configuration: broadcast=yes driver=rndis_host driverversion=22-
sudo modprobe rtl8723be
? Welcome to Ask Ubuntu. – chili555 Feb 24 '18 at 20:47sudo dkms status
– chili555 Feb 24 '18 at 22:40