Realtek RTL8821CE 802.11ac PCIe Wireless Network Adapter is not detected

[2@n]

i have installed Kali linux but it is not detecting the wireless card that is a Realtek Semiconductor Co., Ltd. RTL8821CE 802.11ac PCIe Wireless Network Adapter.
can someone help me to fix this issue ?

below are some information about my system.

root@kali:~# cat /etc/os-release
PRETTY_NAME="Kali GNU/Linux Rolling"
NAME="Kali GNU/Linux"
ID=kali
VERSION="2019.1"
VERSION_ID="2019.1"
ID_LIKE=debian
ANSI_COLOR="1;31"
HOME_URL="https://www.kali.org/"
SUPPORT_URL="https://forums.kali.org/"
BUG_REPORT_URL="https://bugs.kali.org/"
root@kali:~#


root@kali:~# ifconfig
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.1.4 netmask 255.255.255.0 broadcast 192.168.1.255
inet6 fd58:2af7:fda8:3500:dc80:c60d:66f0:29c6 prefixlen 64 scopeid 0x0<global>
inet6 fd58:2af7:fda8:3500:f639:9ff:feea:9947 prefixlen 64 scopeid 0x0<global>
inet6 fe80::f639:9ff:feea:9947 prefixlen 64 scopeid 0x20<link>
ether f4:39:09:ea:99:47 txqueuelen 1000 (Ethernet)
RX packets 1393763 bytes 1969751020 (1.8 GiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 740315 bytes 57206834 (54.5 MiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
loop txqueuelen 1000 (Boucle locale)
RX packets 888 bytes 73592 (71.8 KiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 888 bytes 73592 (71.8 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

root@kali:~#


root@kali:~# lspci -k -nn | grep -A 3 -i net
01:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 15)
Subsystem: Hewlett-Packard Company RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [103c:84a6]
Kernel driver in use: r8169
Kernel modules: r8169
02:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. RTL8821CE 802.11ac PCIe Wireless Network Adapter [10ec:c821]
Subsystem: Hewlett-Packard Company RTL8821CE 802.11ac PCIe Wireless Network Adapter [103c:831a]
root@kali:~#



root@kali:~# uname -r
4.19.0-kali3-amd64
root@kali:~#

[Mister_X]

The card is detected (as shown in lspci), there might not be a driver for it.

Looking up its PCI ID, it doesn't seem to have a driver in the kernel: https://askubuntu.com/questions/1071...n-ubuntu-18-04

FYI, ifconfig doesn't show interfaces that are down, you have to append '-a' to it.