@xubu1957 Re, alors le résultat de :
lsmod
Module Size Used by
cmac 16384 1
ccm 20480 6
hid_generic 16384 0
usbhid 49152 0
hid 118784 2 hid_generic,usbhid
rfcomm 77824 0
bnep 20480 2
nls_iso8859_1 16384 1
snd_soc_skl 90112 0
snd_soc_skl_ipc 65536 1 snd_soc_skl
snd_hda_ext_core 24576 1 snd_soc_skl
snd_soc_sst_dsp 32768 1 snd_soc_skl_ipc
snd_soc_sst_ipc 16384 1 snd_soc_skl_ipc
snd_soc_acpi 16384 1 snd_soc_skl
snd_soc_core 241664 1 snd_soc_skl
snd_compress 20480 1 snd_soc_core
ac97_bus 16384 1 snd_soc_core
arc4 16384 2
rtl8723be 102400 0
snd_hda_codec_hdmi 49152 1
snd_hda_codec_realtek 106496 1
snd_hda_codec_generic 73728 1 snd_hda_codec_realtek
snd_pcm_dmaengine 16384 1 snd_soc_core
snd_hda_intel 40960 3
btcoexist 131072 1 rtl8723be
snd_hda_codec 126976 4 snd_hda_intel,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_codec_realtek
rtl8723_common 24576 1 rtl8723be
snd_hda_core 81920 7 snd_hda_intel,snd_hda_codec,snd_hda_ext_core,snd_soc_skl,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_codec_realtek
rtl_pci 32768 1 rtl8723be
uvcvideo 86016 0
snd_hwdep 20480 1 snd_hda_codec
snd_pcm 98304 8 snd_hda_intel,snd_hda_codec,snd_pcm_dmaengine,snd_hda_ext_core,snd_hda_core,snd_soc_skl,snd_hda_codec_hdmi,snd_soc_core
videobuf2_vmalloc 16384 1 uvcvideo
videobuf2_memops 16384 1 videobuf2_vmalloc
rtlwifi 77824 4 rtl_pci,btcoexist,rtl8723_common,rtl8723be
snd_seq_midi 16384 0
snd_seq_midi_event 16384 1 snd_seq_midi
mac80211 778240 3 rtl_pci,rtlwifi,rtl8723be
btusb 45056 0
btrtl 16384 1 btusb
btbcm 16384 1 btusb
btintel 16384 1 btusb
videobuf2_v4l2 24576 1 uvcvideo
videobuf2_core 40960 2 uvcvideo,videobuf2_v4l2
videodev 180224 3 uvcvideo,videobuf2_core,videobuf2_v4l2
snd_rawmidi 32768 1 snd_seq_midi
cfg80211 622592 2 mac80211,rtlwifi
bluetooth 557056 31 btrtl,btintel,bnep,btbcm,rfcomm,btusb
ecdh_generic 24576 2 bluetooth
intel_th_gth 16384 0
intel_rapl 20480 0
x86_pkg_temp_thermal 16384 0
intel_powerclamp 16384 0
snd_seq 65536 2 snd_seq_midi_event,snd_seq_midi
snd_seq_device 16384 3 snd_seq,snd_rawmidi,snd_seq_midi
snd_timer 32768 2 snd_seq,snd_pcm
snd 81920 19 snd_compress,snd_hda_intel,snd_hwdep,snd_seq,snd_hda_codec,snd_timer,snd_rawmidi,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_seq_device,snd_hda_codec_realtek,snd_soc_core,snd_pcm
media 40960 2 uvcvideo,videodev
joydev 24576 0
coretemp 16384 0
kvm 598016 0
irqbypass 16384 1 kvm
crct10dif_pclmul 16384 0
crc32_pclmul 16384 0
ghash_clmulni_intel 16384 0
pcbc 16384 0
aesni_intel 188416 6
aes_x86_64 20480 1 aesni_intel
crypto_simd 16384 1 aesni_intel
glue_helper 16384 1 aesni_intel
cryptd 24576 3 crypto_simd,ghash_clmulni_intel,aesni_intel
intel_cstate 20480 0
intel_rapl_perf 16384 0
input_leds 16384 0
serio_raw 16384 0
hp_wmi 16384 0
wmi_bmof 16384 0
mei_me 40960 0
mei 90112 1 mei_me
intel_th_pci 16384 0
soundcore 16384 1 snd
intel_th 20480 2 intel_th_pci,intel_th_gth
soc_button_array 16384 0
intel_wmi_thunderbolt 16384 0
acpi_pad 180224 0
int3403_thermal 16384 0
processor_thermal_device 16384 0
intel_pch_thermal 16384 0
int340x_thermal_zone 16384 2 int3403_thermal,processor_thermal_device
intel_soc_dts_iosf 16384 1 processor_thermal_device
intel_vbtn 16384 0
sparse_keymap 16384 2 intel_vbtn,hp_wmi
hp_wireless 16384 0
shpchp 36864 0
int3400_thermal 16384 0
acpi_thermal_rel 16384 1 int3400_thermal
mac_hid 16384 0
parport_pc 36864 0
ppdev 20480 0
lp 20480 0
parport 49152 3 lp,parport_pc,ppdev
autofs4 40960 2
amdgpu 2732032 0
chash 16384 1 amdgpu
radeon 1478656 1
i915 1630208 58
ttm 106496 2 amdgpu,radeon
i2c_algo_bit 16384 3 amdgpu,radeon,i915
drm_kms_helper 172032 3 amdgpu,radeon,i915
syscopyarea 16384 1 drm_kms_helper
sysfillrect 16384 1 drm_kms_helper
sysimgblt 16384 1 drm_kms_helper
psmouse 147456 0
fb_sys_fops 16384 1 drm_kms_helper
r8169 86016 0
drm 401408 9 amdgpu,radeon,i915,ttm,drm_kms_helper
ahci 36864 3
mii 16384 1 r8169
libahci 32768 1 ahci
wmi 24576 3 wmi_bmof,intel_wmi_thunderbolt,hp_wmi
video 45056 1 i915
Et :
sudo modprobe rtl8723be
ça donne rien