Bonjour, merci pour vos réponses.
Naziel :
pro@pro:~$ dkms status
rtl8821ce, 5.5.2.1, 5.3.0-40-generic, x86_64: installed
pro@pro:~$ dpkg -l | grep rtl8821ce-dkms
ii rtl8821ce-dkms 5.5.2.1-0ubuntu3~18.04.1 all DKMS source for the Realtek 8821C PCIe WiFi driver
pro@pro:~$ lsmod | sort
8250_dw 20480 0
ac97_bus 16384 1 snd_soc_core
acpi_pad 184320 0
acpi_thermal_rel 16384 1 int3400_thermal
aesni_intel 372736 7
aes_x86_64 20480 1 aesni_intel
af_alg 24576 1 algif_skcipher
ahci 40960 0
algif_skcipher 16384 0
auth_rpcgss 94208 1 rpcsec_gss_krb5
autofs4 45056 2
binfmt_misc 24576 1
bluetooth 573440 63 btrtl,btintel,btbcm,bnep,btusb,rfcomm
bnep 24576 3
btbcm 16384 1 btusb
btintel 24576 1 btusb
btrtl 20480 1 btusb
btusb 57344 0
cdc_acm 36864 0
cfg80211 704512 1 rtl8821ce
cmac 16384 1
coretemp 20480 0
cqhci 28672 1 sdhci_pci
crc32_pclmul 16384 0
crct10dif_pclmul 16384 1
cros_ec_core 20480 1 cros_ec_ishtp
cros_ec_ishtp 20480 0
cryptd 24576 4 crypto_simd,ghash_clmulni_intel
crypto_simd 16384 1 aesni_intel
dm_crypt 45056 2
drm 491520 6 drm_kms_helper,i915
drm_kms_helper 180224 1 i915
dw_dmac 16384 0
dw_dmac_core 28672 1 dw_dmac
ecc 32768 1 ecdh_generic
ecdh_generic 16384 2 bluetooth
fb_sys_fops 16384 1 drm_kms_helper
fscache 368640 2 nfsv4,nfs
ghash_clmulni_intel 16384 0
glue_helper 16384 1 aesni_intel
grace 16384 1 lockd
hid 131072 8 i2c_hid,usbhid,hid_multitouch,hid_sensor_hub,intel_ishtp_hid,hid_generic,hid_logitech_dj,hid_logitech_hidpp
hid_generic 16384 0
hid_logitech_dj 24576 0
hid_logitech_hidpp 40960 0
hid_multitouch 28672 0
hid_sensor_accel_3d 20480 1
hid_sensor_custom 24576 0
hid_sensor_gyro_3d 20480 0
hid_sensor_hub 24576 8 hid_sensor_gyro_3d,hid_sensor_trigger,hid_sensor_iio_common,hid_sensor_incl_3d,hid_sensor_accel_3d,hid_sensor_magn_3d,hid_sensor_rotation,hid_sensor_custom
hid_sensor_iio_common 20480 6 hid_sensor_gyro_3d,hid_sensor_trigger,hid_sensor_incl_3d,hid_sensor_accel_3d,hid_sensor_magn_3d,hid_sensor_rotation
hid_sensor_incl_3d 20480 0
hid_sensor_magn_3d 20480 1
hid_sensor_rotation 20480 0
hid_sensor_trigger 20480 10 hid_sensor_gyro_3d,hid_sensor_incl_3d,hid_sensor_accel_3d,hid_sensor_magn_3d,hid_sensor_rotation
hp_accel 28672 0
hp_wireless 16384 0
hp_wmi 16384 0
i2c_algo_bit 16384 1 i915
i2c_hid 28672 0
i915 1937408 16
idma64 20480 0
industrialio 73728 10 industrialio_triggered_buffer,hid_sensor_gyro_3d,hid_sensor_trigger,hid_sensor_incl_3d,kfifo_buf,hid_sensor_accel_3d,hid_sensor_magn_3d,hid_sensor_rotation
industrialio_triggered_buffer 16384 5 hid_sensor_gyro_3d,hid_sensor_incl_3d,hid_sensor_accel_3d,hid_sensor_magn_3d,hid_sensor_rotation
input_leds 16384 0
input_polldev 20480 1 lis3lv02d
int3400_thermal 20480 0
int3403_thermal 16384 0
int340x_thermal_zone 16384 2 int3403_thermal,processor_thermal_device
intel_cstate 20480 0
intel_ish_ipc 24576 0
intel_ishtp 49152 4 cros_ec_ishtp,intel_ishtp_hid,intel_ish_ipc,intel_ishtp_loader
intel_ishtp_hid 24576 0
intel_ishtp_loader 24576 0
intel_lpss 16384 1 intel_lpss_pci
intel_lpss_pci 20480 2
intel_pch_thermal 16384 0
intel_powerclamp 20480 0
intel_rapl_common 24576 2 intel_rapl_msr,processor_thermal_device
intel_rapl_msr 20480 0
intel_rapl_perf 20480 0
intel_soc_dts_iosf 20480 1 processor_thermal_device
intel_vbtn 20480 0
intel_wmi_thunderbolt 20480 0
ip_tables 32768 0
irqbypass 16384 1 kvm
joydev 28672 0
kfifo_buf 16384 1 industrialio_triggered_buffer
kvm 651264 1 kvm_intel
kvm_intel 241664 0
ledtrig_audio 16384 2 snd_hda_codec_generic,snd_hda_codec_realtek
libahci 32768 1 ahci
lis3lv02d 24576 1 hp_accel
lockd 98304 1 nfs
lp 20480 0
mac_hid 16384 0
mc 53248 4 videodev,videobuf2_v4l2,uvcvideo,videobuf2_common
mei 102400 3 mei_hdcp,mei_me
mei_hdcp 24576 0
mei_me 40960 1
Module Size Used by
nfs 294912 1 nfsv4
nfsv4 638976 0
nls_iso8859_1 16384 1
nvme 45056 3
nvme_core 102400 5 nvme
parport 53248 3 parport_pc,lp,ppdev
parport_pc 40960 0
pinctrl_cannonlake 36864 3
pinctrl_intel 28672 2 pinctrl_cannonlake
ppdev 24576 0
processor_thermal_device 20480 0
psmouse 151552 0
rfcomm 81920 19
rpcsec_gss_krb5 36864 0
rtl8821ce 1802240 0
sch_fq_codel 20480 6
sdhci 57344 1 sdhci_pci
sdhci_pci 45056 0
serio_raw 20480 0
snd 86016 19 snd_hda_codec_generic,snd_seq,snd_seq_device,snd_hda_codec_hdmi,snd_hwdep,snd_hda_intel,snd_hda_codec,snd_hda_codec_realtek,snd_timer,snd_compress,snd_soc_core,snd_pcm,snd_rawmidi
snd_compress 24576 1 snd_soc_core
snd_hda_codec 131072 5 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec_realtek,snd_soc_hdac_hda
snd_hda_codec_generic 81920 1 snd_hda_codec_realtek
snd_hda_codec_hdmi 57344 1
snd_hda_codec_realtek 118784 1
snd_hda_core 90112 10 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_ext_core,snd_hda_codec,snd_hda_codec_realtek,snd_sof_intel_hda_common,snd_soc_hdac_hda,snd_soc_skl,snd_sof_intel_hda
snd_hda_ext_core 28672 4 snd_sof_intel_hda_common,snd_soc_hdac_hda,snd_soc_skl,snd_sof_intel_hda
snd_hda_intel 49152 3
snd_hwdep 20480 1 snd_hda_codec
snd_pcm 102400 10 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_ext_core,snd_hda_codec,snd_sof,snd_sof_intel_hda_common,snd_soc_core,snd_soc_skl,snd_hda_core,snd_pcm_dmaengine
snd_pcm_dmaengine 16384 1 snd_soc_core
snd_rawmidi 36864 1 snd_seq_midi
snd_seq 69632 2 snd_seq_midi,snd_seq_midi_event
snd_seq_device 16384 3 snd_seq,snd_seq_midi,snd_rawmidi
snd_seq_midi 20480 0
snd_seq_midi_event 16384 1 snd_seq_midi
snd_soc_acpi 16384 3 snd_soc_acpi_intel_match,sof_pci_dev,snd_soc_skl
snd_soc_acpi_intel_match 28672 3 snd_sof_intel_hda_common,sof_pci_dev,snd_soc_skl
snd_soc_core 237568 4 snd_sof,snd_sof_intel_hda_common,snd_soc_hdac_hda,snd_soc_skl
snd_soc_hdac_hda 24576 2 snd_sof_intel_hda_common,snd_soc_skl
snd_soc_skl 106496 0
snd_soc_skl_ipc 61440 1 snd_soc_skl
snd_soc_sst_dsp 36864 1 snd_soc_skl_ipc
snd_soc_sst_ipc 20480 1 snd_soc_skl_ipc
snd_sof 98304 4 snd_sof_intel_hda_common,snd_sof_intel_byt,snd_sof_intel_ipc,sof_pci_dev
snd_sof_intel_byt 24576 1 sof_pci_dev
snd_sof_intel_hda 20480 1 snd_sof_intel_hda_common
snd_sof_intel_hda_common 69632 1 sof_pci_dev
snd_sof_intel_ipc 20480 1 snd_sof_intel_byt
snd_sof_xtensa_dsp 16384 1 sof_pci_dev
snd_timer 36864 2 snd_seq,snd_pcm
soc_button_array 20480 0
sof_pci_dev 20480 0
soundcore 16384 1 snd
sparse_keymap 16384 2 hp_wmi,intel_vbtn
spi_pxa2xx_platform 28672 0
sunrpc 385024 6 nfsv4,auth_rpcgss,lockd,rpcsec_gss_krb5,nfs
syscopyarea 16384 1 drm_kms_helper
sysfillrect 16384 1 drm_kms_helper
sysimgblt 16384 1 drm_kms_helper
uas 24576 0
usbhid 53248 1 hid_logitech_dj
usb_storage 73728 2 uas
uvcvideo 94208 0
video 49152 1 i915
videobuf2_common 49152 2 videobuf2_v4l2,uvcvideo
videobuf2_memops 20480 1 videobuf2_vmalloc
videobuf2_v4l2 24576 1 uvcvideo
videobuf2_vmalloc 20480 1 uvcvideo
videodev 208896 3 videobuf2_v4l2,uvcvideo,videobuf2_common
virt_dma 20480 1 idma64
wmi 32768 3 hp_wmi,intel_wmi_thunderbolt,wmi_bmof
wmi_bmof 16384 0
x86_pkg_temp_thermal 20480 0
x_tables 40960 1 ip_tables
pro@pro:~$