J'ai fait ce que tu as dit, voici la capture de console. J'ai tout mis cette fois-ci, mais il n'y a que la fin d'utile je pense.
mael@mael-Latitude-E6430:~$ dmesg | tail -200
[ 1.821924] input: YSTEK USB Mouse as /devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.2/1-1.2:1.0/0003:0E8F:00FB.0001/input/input8
[ 1.822007] hid-generic 0003:0E8F:00FB.0001: input,hidraw0: USB HID v1.10 Mouse [YSTEK USB Mouse] on usb-0000:00:1a.0-1.2/input0
[ 1.841443] ata1.00: ACPI cmd ef/10:06:00:00:00:00 (SET FEATURES) succeeded
[ 1.841446] ata1.00: ACPI cmd f5/00:00:00:00:00:00 (SECURITY FREEZE LOCK) filtered out
[ 1.841447] ata1.00: ACPI cmd b1/c1:00:00:00:00:00 (DEVICE CONFIGURATION OVERLAY) filtered out
[ 1.841580] ata1.00: ACPI cmd 00/00:00:00:00:00:a0 (NOP) rejected by device (Stat=0x51 Err=0x04)
[ 1.843121] ata1.00: ATA-8: WDC WD5000BPKT-75PK4T0, 01.01A01, max UDMA/133
[ 1.843122] ata1.00: 976773168 sectors, multi 16: LBA48 NCQ (depth 31/32), AA
[ 1.845013] ata1.00: ACPI cmd ef/10:06:00:00:00:00 (SET FEATURES) succeeded
[ 1.845015] ata1.00: ACPI cmd f5/00:00:00:00:00:00 (SECURITY FREEZE LOCK) filtered out
[ 1.845016] ata1.00: ACPI cmd b1/c1:00:00:00:00:00 (DEVICE CONFIGURATION OVERLAY) filtered out
[ 1.846074] ata1.00: ACPI cmd 00/00:00:00:00:00:a0 (NOP) rejected by device (Stat=0x51 Err=0x04)
[ 1.847606] ata1.00: configured for UDMA/133
[ 1.847860] scsi 0:0:0:0: Direct-Access ATA WDC WD5000BPKT-7 1A01 PQ: 0 ANSI: 5
[ 1.892062] usb 1-1.4: new full-speed USB device number 4 using ehci-pci
[ 1.896213] sd 0:0:0:0: Attached scsi generic sg0 type 0
[ 1.896222] sd 0:0:0:0: [sda] 976773168 512-byte logical blocks: (500 GB/466 GiB)
[ 1.896224] sd 0:0:0:0: [sda] 4096-byte physical blocks
[ 1.896235] sd 0:0:0:0: [sda] Write Protect is off
[ 1.896237] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
[ 1.896252] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[ 1.946982] sda: sda1 sda2 sda3 sda4 < sda5 sda6 sda7 >
[ 1.947651] sd 0:0:0:0: [sda] Attached SCSI disk
[ 1.979750] tsc: Refined TSC clocksource calibration: 2591.589 MHz
[ 1.979756] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x255b32af41a, max_idle_ns: 440795337217 ns
[ 2.004030] usb 1-1.4: New USB device found, idVendor=413c, idProduct=8197
[ 2.004032] usb 1-1.4: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 2.004033] usb 1-1.4: Product: BCM20702A0
[ 2.004041] usb 1-1.4: Manufacturer: Broadcom Corp
[ 2.004042] usb 1-1.4: SerialNumber: 20689D648940
[ 2.084054] usb 1-1.5: new high-speed USB device number 5 using ehci-pci
[ 2.210401] ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
[ 2.212081] ata2.00: ATAPI: HL-DT-ST DVD+/-RW GU70N, A102, max UDMA/100
[ 2.213962] ata2.00: configured for UDMA/100
[ 2.215018] scsi 1:0:0:0: CD-ROM HL-DT-ST DVD+-RW GU70N A102 PQ: 0 ANSI: 5
[ 2.238148] sr 1:0:0:0: [sr0] scsi3-mmc drive: 24x/24x writer dvd-ram cd/rw xa/form2 cdda tray
[ 2.238150] cdrom: Uniform CD-ROM driver Revision: 3.20
[ 2.238264] sr 1:0:0:0: Attached scsi CD-ROM sr0
[ 2.238325] sr 1:0:0:0: Attached scsi generic sg1 type 5
[ 2.264404] usb 1-1.5: New USB device found, idVendor=0c45, idProduct=6449
[ 2.264406] usb 1-1.5: New USB device strings: Mfr=2, Product=1, SerialNumber=0
[ 2.264407] usb 1-1.5: Product: Laptop_Integrated_Webcam_E4HD
[ 2.264408] usb 1-1.5: Manufacturer: 001D600B69F0-CA1C-0D232F
[ 2.373342] input: AlpsPS/2 ALPS DualPoint Stick as /devices/platform/i8042/serio1/input/input9
[ 2.385426] input: AlpsPS/2 ALPS DualPoint TouchPad as /devices/platform/i8042/serio1/input/input7
[ 2.550450] ata5: SATA link down (SStatus 0 SControl 300)
[ 2.862319] ata6: SATA link down (SStatus 0 SControl 300)
[ 3.004133] clocksource: Switched to clocksource tsc
[ 3.832898] EXT4-fs (sda7): mounted filesystem with ordered data mode. Opts: (null)
[ 4.751382] systemd[1]: systemd 229 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ -LZ4 +SECCOMP +BLKID +ELFUTILS +KMOD -IDN)
[ 4.751521] systemd[1]: Detected architecture x86-64.
[ 4.761123] systemd[1]: Set hostname to <mael-Latitude-E6430>.
[ 5.296304] random: crng init done
[ 6.161460] systemd[1]: Reached target Remote File Systems (Pre).
[ 6.161590] systemd[1]: Created slice User and Session Slice.
[ 6.161658] systemd[1]: Listening on Journal Audit Socket.
[ 6.161698] systemd[1]: Started Trigger resolvconf update for networkd DNS.
[ 6.161727] systemd[1]: Listening on Syslog Socket.
[ 6.161759] systemd[1]: Started Forward Password Requests to Wall Directory Watch.
[ 6.161778] systemd[1]: Listening on udev Kernel Socket.
[ 6.841004] lp: driver loaded but no devices found
[ 7.051208] ppdev: user-space parallel port driver
[ 7.078004] parport_pc 00:07: [io 0x0378-0x037b]
[ 7.078180] parport_pc 00:07: [irq 5]
[ 7.079303] parport_pc 00:07: activated
[ 7.079306] parport_pc 00:07: reported by Plug and Play ACPI
[ 14.443674] EXT4-fs (sda7): re-mounted. Opts: errors=remount-ro
[ 14.464755] systemd-journald[267]: Received request to flush runtime journal from PID 1
[ 14.577551] shpchp: Standard Hot Plug PCI Controller Driver version: 0.4
[ 14.601107] Intel(R) Wireless WiFi driver for Linux
[ 14.601109] Copyright(c) 2003- 2015 Intel Corporation
[ 14.601329] iwlwifi 0000:03:00.0: can't disable ASPM; OS doesn't have ASPM control
[ 14.609454] ACPI Warning: SystemIO range 0x0000000000000428-0x000000000000042F conflicts with OpRegion 0x0000000000000400-0x000000000000047F (\PMIO) (20170531/utaddress-247)
[ 14.609461] ACPI: If an ACPI driver is available for this device, you should use it instead of the native driver
[ 14.609466] ACPI Warning: SystemIO range 0x0000000000000540-0x000000000000054F conflicts with OpRegion 0x0000000000000500-0x0000000000000563 (\GPIO) (20170531/utaddress-247)
[ 14.609470] ACPI: If an ACPI driver is available for this device, you should use it instead of the native driver
[ 14.609471] ACPI Warning: SystemIO range 0x0000000000000530-0x000000000000053F conflicts with OpRegion 0x0000000000000500-0x0000000000000563 (\GPIO) (20170531/utaddress-247)
[ 14.609476] ACPI Warning: SystemIO range 0x0000000000000530-0x000000000000053F conflicts with OpRegion 0x0000000000000500-0x000000000000053F (\_SB.PCI0.PEG0.VID.GPSP) (20170531/utaddress-247)
[ 14.609480] ACPI: If an ACPI driver is available for this device, you should use it instead of the native driver
[ 14.609481] ACPI Warning: SystemIO range 0x0000000000000500-0x000000000000052F conflicts with OpRegion 0x0000000000000500-0x0000000000000563 (\GPIO) (20170531/utaddress-247)
[ 14.609485] ACPI Warning: SystemIO range 0x0000000000000500-0x000000000000052F conflicts with OpRegion 0x0000000000000500-0x000000000000053F (\_SB.PCI0.PEG0.VID.GPSP) (20170531/utaddress-247)
[ 14.609489] ACPI: If an ACPI driver is available for this device, you should use it instead of the native driver
[ 14.609489] lpc_ich: Resource conflict(s) found affecting gpio_ich
[ 14.614010] media: Linux media interface: v0.10
[ 14.619982] Linux video capture interface: v2.00
[ 14.635863] Bluetooth: Core ver 2.22
[ 14.635877] NET: Registered protocol family 31
[ 14.635878] Bluetooth: HCI device and connection manager initialized
[ 14.635880] Bluetooth: HCI socket layer initialized
[ 14.635882] Bluetooth: L2CAP socket layer initialized
[ 14.635887] Bluetooth: SCO socket layer initialized
[ 14.638884] uvcvideo: Found UVC 1.00 device Laptop_Integrated_Webcam_E4HD (0c45:6449)
[ 14.660979] usbcore: registered new interface driver btusb
[ 14.674572] snd_hda_intel 0000:01:00.1: Disabling MSI
[ 14.674579] snd_hda_intel 0000:01:00.1: Handle vga_switcheroo audio client
[ 14.681586] uvcvideo 1-1.5:1.0: Entity type for entity Extension 4 was not initialized!
[ 14.681588] uvcvideo 1-1.5:1.0: Entity type for entity Extension 3 was not initialized!
[ 14.681590] uvcvideo 1-1.5:1.0: Entity type for entity Processing 2 was not initialized!
[ 14.681591] uvcvideo 1-1.5:1.0: Entity type for entity Camera 1 was not initialized!
[ 14.681671] input: Laptop_Integrated_Webcam_E4HD: as /devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.5/1-1.5:1.0/input/input10
[ 14.681737] usbcore: registered new interface driver uvcvideo
[ 14.681738] USB Video Class driver (1.1.1)
[ 14.686961] snd_hda_codec_idt hdaudioC0D0: autoconfig for 92HD93BXX: line_outs=1 (0xe/0x0/0x0/0x0/0x0) type:line
[ 14.686963] snd_hda_codec_idt hdaudioC0D0: speaker_outs=1 (0xd/0x0/0x0/0x0/0x0)
[ 14.686966] snd_hda_codec_idt hdaudioC0D0: hp_outs=1 (0xb/0x0/0x0/0x0/0x0)
[ 14.686967] snd_hda_codec_idt hdaudioC0D0: mono: mono_out=0x0
[ 14.686968] snd_hda_codec_idt hdaudioC0D0: inputs:
[ 14.686970] snd_hda_codec_idt hdaudioC0D0: Dock Mic=0xf
[ 14.686972] snd_hda_codec_idt hdaudioC0D0: Internal Mic=0x11
[ 14.686974] snd_hda_codec_idt hdaudioC0D0: Headset Mic=0xa
[ 14.690151] dcdbas dcdbas: Dell Systems Management Base Driver (version 5.6.0-3.2)
[ 14.698850] dell_wmi: Detected Dell WMI interface version 1
[ 14.698921] input: Dell WMI hotkeys as /devices/platform/PNP0C14:00/wmi_bus/wmi_bus-PNP0C14:00/9DBB5994-A997-11DA-B012-B622A1EF5492/input/input11
[ 14.725185] input: HDA Intel PCH Dock Mic as /devices/pci0000:00/0000:00:1b.0/sound/card0/input12
[ 14.725227] input: HDA Intel PCH Headset Mic as /devices/pci0000:00/0000:00:1b.0/sound/card0/input13
[ 14.725264] input: HDA Intel PCH Dock Line Out as /devices/pci0000:00/0000:00:1b.0/sound/card0/input14
[ 14.725304] input: HDA Intel PCH Headphone as /devices/pci0000:00/0000:00:1b.0/sound/card0/input15
[ 14.728150] RAPL PMU: API unit is 2^-32 Joules, 3 fixed counters, 163840 ms ovfl timer
[ 14.728151] RAPL PMU: hw unit of domain pp0-core 2^-16 Joules
[ 14.728152] RAPL PMU: hw unit of domain package 2^-16 Joules
[ 14.728152] RAPL PMU: hw unit of domain pp1-gpu 2^-16 Joules
[ 14.762923] AVX version of gcm_enc/dec engaged.
[ 14.762925] AES CTR mode by8 optimization enabled
[ 14.776080] iwlwifi 0000:03:00.0: Direct firmware load for iwlwifi-6000-6.ucode failed with error -2
[ 14.780933] iwlwifi 0000:03:00.0: Direct firmware load for iwlwifi-6000-5.ucode failed with error -2
[ 14.794653] iwlwifi 0000:03:00.0: loaded firmware version 9.221.4.1 build 25532 op_mode iwldvm
[ 14.830048] iwlwifi 0000:03:00.0: CONFIG_IWLWIFI_DEBUG disabled
[ 14.830050] iwlwifi 0000:03:00.0: CONFIG_IWLWIFI_DEBUGFS enabled
[ 14.830052] iwlwifi 0000:03:00.0: CONFIG_IWLWIFI_DEVICE_TRACING enabled
[ 14.830054] iwlwifi 0000:03:00.0: Detected Intel(R) Centrino(R) Ultimate-N 6300 AGN, REV=0x74
[ 14.831073] intel_rapl: Found RAPL domain package
[ 14.831074] intel_rapl: Found RAPL domain core
[ 14.831078] intel_rapl: RAPL package 0 domain package locked by BIOS
[ 14.869598] ieee80211 phy0: Selected rate control algorithm 'iwl-agn-rs'
[ 15.055211] dell_laptop: Using dell-rbtn acpi driver for receiving events
[ 15.255649] iwlwifi 0000:03:00.0 wlp3s0: renamed from wlan0
[ 15.766374] usb 1-1.4: USB disconnect, device number 4
[ 15.956554] input: HDA NVidia HDMI/DP,pcm=3 as /devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1/input16
[ 15.956621] input: HDA NVidia HDMI/DP,pcm=7 as /devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1/input17
[ 15.956680] input: HDA NVidia HDMI/DP,pcm=8 as /devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1/input18
[ 15.956740] input: HDA NVidia HDMI/DP,pcm=9 as /devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1/input19
[ 17.084627] Adding 1998844k swap on /dev/sda6. Priority:-1 extents:1 across:1998844k FS
[ 17.583872] audit: type=1400 audit(1519820344.112:2): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/sbin/dhclient" pid=787 comm="apparmor_parser"
[ 17.583876] audit: type=1400 audit(1519820344.112:3): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/lib/NetworkManager/nm-dhcp-client.action" pid=787 comm="apparmor_parser"
[ 17.583879] audit: type=1400 audit(1519820344.112:4): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/lib/NetworkManager/nm-dhcp-helper" pid=787 comm="apparmor_parser"
[ 17.583881] audit: type=1400 audit(1519820344.112:5): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/lib/connman/scripts/dhclient-script" pid=787 comm="apparmor_parser"
[ 17.585091] audit: type=1400 audit(1519820344.114:6): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/lib/lightdm/lightdm-guest-session" pid=786 comm="apparmor_parser"
[ 17.585094] audit: type=1400 audit(1519820344.114:7): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/lib/lightdm/lightdm-guest-session//chromium" pid=786 comm="apparmor_parser"
[ 17.586752] audit: type=1400 audit(1519820344.115:8): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/sbin/cups-browsed" pid=794 comm="apparmor_parser"
[ 17.590066] audit: type=1400 audit(1519820344.119:9): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/lib/cups/backend/cups-pdf" pid=795 comm="apparmor_parser"
[ 17.590070] audit: type=1400 audit(1519820344.119:10): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/sbin/cupsd" pid=795 comm="apparmor_parser"
[ 17.590073] audit: type=1400 audit(1519820344.119:11): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/sbin/cupsd//third_party" pid=795 comm="apparmor_parser"
[ 17.769885] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 17.769887] Bluetooth: BNEP filters: protocol multicast
[ 17.769891] Bluetooth: BNEP socket layer initialized
[ 20.248379] IPv6: ADDRCONF(NETDEV_UP): wlp3s0: link is not ready
[ 20.261996] iwlwifi 0000:03:00.0: Radio type=0x0-0x3-0x1
[ 20.513722] iwlwifi 0000:03:00.0: Radio type=0x0-0x3-0x1
[ 20.616266] IPv6: ADDRCONF(NETDEV_UP): wlp3s0: link is not ready
[ 20.620193] IPv6: ADDRCONF(NETDEV_UP): eno1: link is not ready
[ 20.844245] IPv6: ADDRCONF(NETDEV_UP): eno1: link is not ready
[ 21.014509] IPv6: ADDRCONF(NETDEV_UP): wlp3s0: link is not ready
[ 220.403994] wlp3s0: authenticate with 00:19:70:a7:17:4f
[ 220.450768] wlp3s0: send auth to 00:19:70:a7:17:4f (try 1/3)
[ 220.453238] wlp3s0: authenticated
[ 220.460057] wlp3s0: associate with 00:19:70:a7:17:4f (try 1/3)
[ 220.464117] wlp3s0: RX AssocResp from 00:19:70:a7:17:4f (capab=0x431 status=0 aid=3)
[ 220.467956] wlp3s0: associated
[ 220.468019] IPv6: ADDRCONF(NETDEV_CHANGE): wlp3s0: link becomes ready
[ 286.015049] usb 3-1: new high-speed USB device number 2 using xhci_hcd
[ 286.135090] usb 3-1: device descriptor read/64, error -71
[ 286.384106] usb 3-1: New USB device found, idVendor=0781, idProduct=5530
[ 286.384111] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 286.384114] usb 3-1: Product: Firebird6Sp9
[ 286.384117] usb 3-1: Manufacturer: SanDisk Corporation
[ 286.384119] usb 3-1: SerialNumber: 0123456789ABCDEF
[ 286.476295] usb-storage 3-1:1.0: USB Mass Storage device detected
[ 286.476416] scsi host6: usb-storage 3-1:1.0
[ 286.476505] usbcore: registered new interface driver usb-storage
[ 286.486185] usbcore: registered new interface driver uas
[ 287.483603] scsi 6:0:0:0: Direct-Access SanDisk Firebird 1.07 PQ: 0 ANSI: 2
[ 287.484742] sd 6:0:0:0: Attached scsi generic sg2 type 0
[ 287.484881] sd 6:0:0:0: [sdb] 131072 512-byte logical blocks: (67.1 MB/64.0 MiB)
[ 287.485241] sd 6:0:0:0: [sdb] Write Protect is off
[ 287.485248] sd 6:0:0:0: [sdb] Mode Sense: 03 00 00 00
[ 287.485477] sd 6:0:0:0: [sdb] No Caching mode page found
[ 287.485486] sd 6:0:0:0: [sdb] Assuming drive cache: write through
[ 287.563445] sd 6:0:0:0: ioctl_internal_command return code = 8070000
[ 287.563455] sd 6:0:0:0: Sense Key : Hardware Error [current]
[ 287.563459] sd 6:0:0:0: Add. Sense: No additional sense information
[ 287.567604] sd 6:0:0:0: [sdb] Attached SCSI removable disk
[ 287.651351] sd 6:0:0:0: ioctl_internal_command return code = 8070000
[ 287.651358] sd 6:0:0:0: Sense Key : Hardware Error [current]
[ 287.651362] sd 6:0:0:0: Add. Sense: No additional sense information
[ 287.939490] sd 6:0:0:0: ioctl_internal_command return code = 8070000
[ 287.939496] sd 6:0:0:0: Sense Key : Hardware Error [current]
[ 287.939499] sd 6:0:0:0: Add. Sense: No additional sense information
[ 288.019481] sd 6:0:0:0: ioctl_internal_command return code = 8070000
[ 288.019487] sd 6:0:0:0: Sense Key : Hardware Error [current]
[ 288.019490] sd 6:0:0:0: Add. Sense: No additional sense information
mael@mael-Latitude-E6430:~$
Merci pour ton aide!