I am using Asus TUF FX505DT with the Wireless interface Realtek RTL8822BE 802.11a/b/g/n/ac WiFi adapter.
It sometimes stops displaying the available Wireless networks and sometimes it displays the available networks but I am not able to connect to any network and it keeps on asking for the Wifi password again and again or keep trying to connect to the network.
$ sudo iwconfig
wlp4s0 IEEE 802.11 ESSID:off/any
Mode:Managed Access Point: Not-Associated Tx-Power=20 dBm
Retry short long limit:16 RTS thr:off Fragment thr:off
Encryption key:off
Power Management:on
$ lspci
04:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8822BE 802.11a/b/g/n/ac WiFi adapter (rev ff)
$ sudo lshw -C network
*-generic
description: Wireless interface
product: RTL8822BE 802.11a/b/g/n/ac WiFi adapter
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:04:00.0
logical name: wlp4s0
version: ff
serial: dc:f5:05:b1:8f:81
width: 32 bits
clock: 66MHz
capabilities: bus_master vga_palette cap_list ethernet physical wireless
configuration: broadcast=yes driver=rtw_pci driverversion=5.4.0-37-generic firmware=N/A latency=255 link=no maxlatency=255 mingnt=255 multicast=yes wireless=IEEE 802.11
resources: irq:69 ioport:d000(size=256) memory:f7700000-f770ffff
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Author: Somil Singla