Aussitôt dit aussitôt fait :
Je rajoute que le wi-fi marchait nickel sous windows 10 avant que je le remplace par ubuntu.
mitch@mitch-HP-250-G4-Notebook-PC:~$ uname -r -m
4.8.0-49-generic x86_64
mitch@mitch-HP-250-G4-Notebook-PC:~$ lsmod
Module Size Used by
cmac 16384 0
btrfs 1060864 0
xor 24576 1 btrfs
raid6_pq 102400 1 btrfs
ufs 73728 0
qnx4 16384 0
hfsplus 106496 0
hfs 57344 0
minix 40960 0
ntfs 102400 0
msdos 20480 0
jfs 184320 0
xfs 1048576 0
libcrc32c 16384 1 xfs
cpuid 16384 0
rfcomm 77824 14
bnep 20480 2
hp_wmi 16384 0
sparse_keymap 16384 1 hp_wmi
intel_rapl 20480 0
intel_powerclamp 16384 0
coretemp 16384 0
kvm 598016 0
arc4 16384 2
rtl8723be 90112 0
irqbypass 16384 1 kvm
uvcvideo 90112 0
btcoexist 53248 1 rtl8723be
punit_atom_debug 16384 0
crct10dif_pclmul 16384 0
crc32_pclmul 16384 0
rtl8723_common 24576 1 rtl8723be
rtl_pci 28672 1 rtl8723be
videobuf2_vmalloc 16384 1 uvcvideo
ghash_clmulni_intel 16384 0
rtlwifi 77824 2 rtl_pci,rtl8723be
aesni_intel 167936 0
videobuf2_memops 16384 1 videobuf2_vmalloc
videobuf2_v4l2 24576 1 uvcvideo
aes_x86_64 20480 1 aesni_intel
mac80211 761856 3 rtl_pci,rtlwifi,rtl8723be
videobuf2_core 40960 2 uvcvideo,videobuf2_v4l2
videodev 180224 3 uvcvideo,videobuf2_core,videobuf2_v4l2
media 40960 2 uvcvideo,videodev
lrw 16384 1 aesni_intel
glue_helper 16384 1 aesni_intel
ablk_helper 16384 1 aesni_intel
cryptd 24576 3 ablk_helper,ghash_clmulni_intel,aesni_intel
snd_hda_codec_hdmi 45056 1
intel_cstate 16384 0
cfg80211 581632 2 mac80211,rtlwifi
btusb 45056 0
btrtl 16384 1 btusb
btbcm 16384 1 btusb
btintel 16384 1 btusb
snd_intel_sst_acpi 16384 0
snd_hda_codec_realtek 86016 1
bluetooth 557056 41 btrtl,btintel,bnep,btbcm,rfcomm,btusb
snd_hda_codec_generic 73728 1 snd_hda_codec_realtek
snd_intel_sst_core 77824 1 snd_intel_sst_acpi
snd_soc_sst_mfld_platform 90112 1 snd_intel_sst_core
input_leds 16384 0
joydev 20480 0
snd_soc_sst_match 16384 1 snd_intel_sst_acpi
serio_raw 16384 0
snd_soc_core 233472 1 snd_soc_sst_mfld_platform
snd_hda_intel 36864 3
snd_hda_codec 135168 4 snd_hda_intel,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_codec_realtek
snd_compress 20480 1 snd_soc_core
ac97_bus 16384 1 snd_soc_core
snd_hda_core 86016 5 snd_hda_intel,snd_hda_codec,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_codec_realtek
snd_pcm_dmaengine 16384 1 snd_soc_core
snd_hwdep 16384 1 snd_hda_codec
snd_pcm 110592 7 snd_hda_intel,snd_hda_codec,snd_pcm_dmaengine,snd_hda_core,snd_hda_codec_hdmi,snd_soc_sst_mfld_platform,snd_soc_core
snd_seq_midi 16384 0
snd_seq_midi_event 16384 1 snd_seq_midi
mei_txe 20480 0
snd_rawmidi 32768 1 snd_seq_midi
dw_dmac 16384 0
dw_dmac_core 24576 1 dw_dmac
dwc3 102400 0
snd_seq 69632 2 snd_seq_midi_event,snd_seq_midi
udc_core 53248 1 dwc3
ulpi 16384 1 dwc3
snd_seq_device 16384 3 snd_seq,snd_rawmidi,snd_seq_midi
i2c_designware_platform 16384 0
pwm_lpss_platform 16384 0
snd_timer 32768 2 snd_seq,snd_pcm
pwm_lpss 16384 1 pwm_lpss_platform
snd 86016 20 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_soc_sst_mfld_platform,snd_hda_codec_realtek,snd_soc_core,snd_pcm
mei 102400 1 mei_txe
i2c_designware_core 20480 1 i2c_designware_platform
tpm_crb 16384 0
8250_dw 16384 0
spi_pxa2xx_platform 24576 0
soc_button_array 16384 0
shpchp 36864 0
int3403_thermal 16384 0
hp_wireless 16384 0
processor_thermal_device 16384 0
int3400_thermal 16384 0
intel_soc_dts_iosf 16384 1 processor_thermal_device
acpi_thermal_rel 16384 1 int3400_thermal
soundcore 16384 1 snd
int340x_thermal_zone 16384 2 int3403_thermal,processor_thermal_device
lpc_ich 24576 0
mac_hid 16384 0
parport_pc 32768 0
ppdev 20480 0
lp 20480 0
parport 49152 3 lp,parport_pc,ppdev
autofs4 40960 2
hid_generic 16384 0
usbhid 53248 0
hid 122880 2 hid_generic,usbhid
i915 1314816 128
i2c_algo_bit 16384 1 i915
drm_kms_helper 167936 1 i915
syscopyarea 16384 1 drm_kms_helper
sysfillrect 16384 1 drm_kms_helper
sysimgblt 16384 1 drm_kms_helper
fb_sys_fops 16384 1 drm_kms_helper
psmouse 139264 0
ahci 36864 3
drm 368640 11 i915,drm_kms_helper
r8169 81920 0
libahci 32768 1 ahci
mii 16384 1 r8169
wmi 16384 1 hp_wmi
fjes 28672 0
video 40960 1 i915
sdhci_acpi 16384 0
sdhci 45056 1 sdhci_acpi
mitch@mitch-HP-250-G4-Notebook-PC:~$ sudo rfkill list
[sudo] Mot de passe de mitch :
1: phy0: Wireless LAN
Soft blocked: yes
Hard blocked: no
6: hci0: Bluetooth
Soft blocked: yes
Hard blocked: no
mitch@mitch-HP-250-G4-Notebook-PC:~$ nmcli connection show
NOM UUID TYPE PÉRIPHÉRIQUE
Connexion filaire 1 1ad5293c-b155-3907-886c-25d698b4eed8 802-3-ethernet enp3s0
mitch@mitch-HP-250-G4-Notebook-PC:~$ ^C