Ubuntu 16.04 doesn't detect my second monitor

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Code:

Module                  Size  Used by
hid_generic            16384  0
cdc_mbim               16384  0
cdc_wdm                20480  1 cdc_mbim
snd_usb_audio         176128  2
cdc_ncm                32768  1 cdc_mbim
snd_usbmidi_lib        36864  1 snd_usb_audio
drbg                   32768  1
ansi_cprng             16384  0
ctr                    16384  1
ccm                    20480  1
rfcomm                 69632  2
bnep                   20480  2
snd_hda_codec_hdmi     53248  1
snd_hda_codec_conexant    24576  1
snd_hda_codec_generic    77824  1 snd_hda_codec_conexant
ax88179_178a           24576  0
usbnet                 45056  3 cdc_mbim,cdc_ncm,ax88179_178a
mii                    16384  2 usbnet,ax88179_178a
uvcvideo               90112  0
videobuf2_vmalloc      16384  1 uvcvideo
videobuf2_memops       16384  1 videobuf2_vmalloc
hid_multitouch         20480  0
videobuf2_v4l2         28672  1 uvcvideo
videobuf2_core         36864  2 uvcvideo,videobuf2_v4l2
v4l2_common            16384  1 videobuf2_v4l2
videodev              176128  4 uvcvideo,v4l2_common,videobuf2_core,videobuf2_v4l2
usbhid                 49152  0
media                  24576  2 uvcvideo,videodev
btusb                  45056  0
btrtl                  16384  1 btusb
nls_iso8859_1          16384  1
arc4                   16384  2
hp_wmi                 16384  0
intel_rapl             20480  0
x86_pkg_temp_thermal    16384  0
intel_powerclamp       16384  0
coretemp               16384  0
snd_soc_skl            49152  0
snd_soc_skl_ipc        32768  1 snd_soc_skl
snd_hda_ext_core       28672  1 snd_soc_skl
kvm                   540672  0
snd_soc_sst_ipc        16384  1 snd_soc_skl_ipc
snd_soc_sst_dsp        53248  1 snd_soc_skl_ipc
snd_soc_core          212992  1 snd_soc_skl
iwlmvm                311296  0
snd_compress           20480  1 snd_soc_core
ac97_bus               16384  1 snd_soc_core
irqbypass              16384  1 kvm
mac80211              737280  1 iwlmvm
snd_pcm_dmaengine      16384  1 snd_soc_core
crct10dif_pclmul       16384  0
dw_dmac_core           24576  1 snd_soc_sst_dsp
crc32_pclmul           16384  0
snd_hda_intel          36864  3
snd_hda_codec         135168  4 snd_hda_codec_hdmi,snd_hda_codec_conexant,snd_hda_codec_generic,snd_hda_intel
aesni_intel           167936  2
snd_hda_core           73728  7 snd_hda_ext_core,snd_hda_codec_hdmi,snd_hda_codec_conexant,snd_hda_codec_generic,snd_hda_codec,snd_hda_intel,snd_soc_skl
iwlwifi               200704  1 iwlmvm
snd_hwdep              16384  2 snd_usb_audio,snd_hda_codec
aes_x86_64             20480  1 aesni_intel
lrw                    16384  1 aesni_intel
gf128mul               16384  1 lrw
glue_helper            16384  1 aesni_intel
ablk_helper            16384  1 aesni_intel
cryptd                 20480  2 aesni_intel,ablk_helper
snd_pcm               106496  9 snd_hda_ext_core,snd_usb_audio,snd_soc_core,snd_hda_codec_hdmi,snd_hda_codec,snd_hda_intel,snd_soc_skl,snd_pcm_dmaengine,snd_hda_core
cfg80211              565248  3 iwlwifi,mac80211,iwlmvm
snd_seq_midi           16384  0
snd_seq_midi_event     16384  1 snd_seq_midi
snd_rawmidi            32768  2 snd_usbmidi_lib,snd_seq_midi
input_leds             16384  0
serio_raw              16384  0
snd_seq                69632  2 snd_seq_midi_event,snd_seq_midi
snd_seq_device         16384  3 snd_seq,snd_rawmidi,snd_seq_midi
rtsx_pci_ms            20480  0
snd_timer              32768  2 snd_pcm,snd_seq
memstick               20480  1 rtsx_pci_ms
snd                    81920  25 snd_usb_audio,snd_soc_core,snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_hda_codec_conexant,snd_pcm,snd_seq,snd_rawmidi,snd_hda_codec_generic,snd_usbmidi_lib,snd_hda_codec,snd_hda_intel,snd_seq_device,snd_compress
mei_me                 36864  0
soundcore              16384  1 snd
mei                    98304  1 mei_me
shpchp                 36864  0
wmi                    20480  1 hp_wmi
hci_uart               77824  0
btbcm                  16384  2 btusb,hci_uart
btqca                  16384  1 hci_uart
btintel                16384  2 btusb,hci_uart
bluetooth             520192  31 bnep,btbcm,btqca,btrtl,btusb,hci_uart,rfcomm,btintel
intel_lpss_acpi        16384  0
intel_lpss             16384  1 intel_lpss_acpi
hp_wireless            16384  0
acpi_als               16384  0
tpm_crb                16384  0
intel_vbtn             16384  0
kfifo_buf              16384  1 acpi_als
sparse_keymap          16384  2 hp_wmi,intel_vbtn
acpi_pad               20480  0
industrialio           57344  2 acpi_als,kfifo_buf
joydev                 20480  0
mac_hid                16384  0
parport_pc             32768  0
ppdev                  20480  0
lp                     20480  0
parport                49152  3 lp,ppdev,parport_pc
autofs4                40960  2
rtsx_pci_sdmmc         24576  0
i915_bpo             1302528  8
intel_ips              20480  1 i915_bpo
i2c_algo_bit           16384  1 i915_bpo
drm_kms_helper        147456  1 i915_bpo
syscopyarea            16384  1 drm_kms_helper
sysfillrect            16384  1 drm_kms_helper
psmouse               126976  0
sysimgblt              16384  1 drm_kms_helper
fb_sys_fops            16384  1 drm_kms_helper
drm                   364544  9 i915_bpo,drm_kms_helper
ahci                   36864  3
rtsx_pci               53248  2 rtsx_pci_ms,rtsx_pci_sdmmc
libahci                32768  1 ahci
pinctrl_sunrisepoint    28672  0
pinctrl_intel          20480  1 pinctrl_sunrisepoint
video                  40960  1 i915_bpo
i2c_hid                20480  0
hid                   118784  4 i2c_hid,hid_multitouch,hid_generic,usbhid
fjes                   28672  0

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Try modprobe udl

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Output:

Code:

modprobe: ERROR: could not insert 'udl': Operation not permitted

I added 'sudo', but now there was no output at all.

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No output, for modprobe, is good.. It means a driver named udl was loaded.

Anything interesting in dmesg | tail ?

Also try ctrl-alt-backspace to make X11 restart.

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Code:

[   16.076526] intel-vbtn INT33D6:00: unknown event index 0xcd
[   28.157164] intel-vbtn INT33D6:00: unknown event index 0xcd
[   46.229677] wlan0: authenticate with c0:c1:c0:c4:4c:57
[   46.240272] wlan0: send auth to c0:c1:c0:c4:4c:57 (try 1/3)
[   46.242914] wlan0: authenticated
[   46.243344] wlan0: associate with c0:c1:c0:c4:4c:57 (try 1/3)
[   46.248007] wlan0: RX AssocResp from c0:c1:c0:c4:4c:57 (capab=0x411 status=0 aid=3)
[   46.249569] wlan0: associated
[   46.249613] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 1907.735807] usbcore: registered new interface driver udl

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[edit]
Actually, I may have missed a step.

Code:

sudo rmmod udlfb
sudo rmmod udl
sudo modprobe udl
dmesg | tail

The udlfb driver may have been interfering by grabbing it first, but udlfb does not support X...

I am finding this information here:
DisplayLink - ArchWiki

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I'm not with the docking station now, but I will try this step tomorrow and post the results. Thank you for your help!

---------- Post updated 29-09-16 at 09:32 AM ---------- Previous update was 28-09-16 at 07:16 PM ----------

The output of:

Code:

sudo rmmod udlfb

was

Code:

rmmod: ERROR: Module udlfb is not currently loaded

The output of:

Code:

sudo rmmod udl

was

Code:

rmmod: ERROR: Module udl is not currently loaded

There was no output for:

Code:

sudo modprobe udl

The output for:

Code:

dmesg | tail

was

Code:

[    9.136639] Bluetooth: RFCOMM ver 1.11
[   16.028197] intel-vbtn INT33D6:00: unknown event index 0xcd
[   35.798522] wlan0: authenticate with c0:c1:c0:c4:4c:57
[   35.806681] wlan0: send auth to c0:c1:c0:c4:4c:57 (try 1/3)
[   35.808635] wlan0: authenticated
[   35.809956] wlan0: associate with c0:c1:c0:c4:4c:57 (try 1/3)
[   35.829231] wlan0: RX AssocResp from c0:c1:c0:c4:4c:57 (capab=0x411 status=0 aid=4)
[   35.831886] wlan0: associated
[   35.831959] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[  146.192583] usbcore: registered new interface driver udl

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