Ubuntu 16.04, загружающаяся очень медленный

Я новая установленная Ubuntu 16.04 наряду с Windows 10 в режиме UEFI. Время начальной загрузки было нормально, когда я установил его. После того, как я сделал способное обновление, время начальной загрузки увеличилось.

Вывод systemd-анализирует вину:

     24.771s dev-sda6.device
     12.795s systemd-udevd.service
      7.089s gpu-manager.service
      7.023s NetworkManager-wait-online.service
      6.925s systemd-tmpfiles-setup-dev.service
      4.919s systemd-sysctl.service
      3.829s snapd.service
      3.216s NetworkManager.service
      3.065s accounts-daemon.service
      2.955s ModemManager.service
      2.498s thermald.service
      2.008s udisks2.service
      1.954s systemd-modules-load.service
      1.863s keyboard-setup.service
      1.512s tlp.service
      1.325s grub-common.service
      1.030s systemd-journald.service
       909ms dev-hugepages.mount
       907ms dev-mqueue.mount
       906ms sys-kernel-debug.mount
       716ms systemd-fsck@dev-disk-by\x2duuid-445B\x2d8843.service
       700ms apparmor.service
       657ms ufw.service
       600ms console-setup.service
       570ms upower.service
       546ms systemd-tmpfiles-setup.service
       461ms rsyslog.service
       439ms kmod-static-nodes.service
       415ms irqbalance.service
       414ms wpa_supplicant.service
       349ms bluetooth.service
       316ms polkitd.service
       278ms colord.service
       215ms avahi-daemon.service
       201ms apport.service
       166ms snapd.socket
       159ms lightdm.service
       141ms plymouth-read-write.service
       135ms systemd-update-utmp.service
       132ms systemd-remount-fs.service
       111ms user@1000.service
        91ms setvtrgb.service
        80ms boot-efi.mount
        80ms systemd-hostnamed.service
        78ms systemd-udev-trigger.service
        63ms networking.service
        62ms systemd-timesyncd.service
        47ms systemd-journal-flush.service
        36ms systemd-logind.service
        33ms ondemand.service
        28ms systemd-random-seed.service
        27ms speech-dispatcher.service
        15ms systemd-user-sessions.service
        14ms plymouth-start.service
        11ms alsa-restore.service
        10ms snapd.autoimport.service
        10ms pppd-dns.service
         6ms dns-clean.service
         4ms rtkit-daemon.service
         4ms ureadahead-stop.service
         4ms systemd-update-utmp-runlevel.service
         4ms resolvconf.service
         3ms sys-fs-fuse-connections.mount
         2ms rc-local.service
         1ms systemd-backlight@backlight:intel_backlight.service
         1ms plymouth-quit-wait.service
         1ms nvidia-persistenced.service

Вывод systemd-анализирует время:

Startup finished in 3.498s (firmware) + 3.332s (loader) + 6.081s (kernel) 
+ 3min 3.648s (userspace) = 3min 16.561s

Информация о системе:

Laptop
Memory: 8 GB
Processor: Intel® Core™ i5-8250U CPU @ 1.60GHz × 8
Graphic: Intel® Kabylake GT1.5 and NVIDIA MX150(disabled)

Содержание/etc/fstab

# /etc/fstab: static file system information.
#
# Use 'blkid' to print the universally unique identifier for a
# device; this may be used with UUID= as a more robust way to name devices
# that works even if disks are added and removed. See fstab(5). 
#
# <file system> <mount point>   <type>  <options>       <dump>  <pass>
# / was on /dev/sda6 during installation
# /boot/efi was on /dev/sda1 during installation
UUID=445B-8843  /boot/efi       vfat    umask=0077      0       1
# swap was on /dev/sda7 during installation
# UUID=96ded05b-556c-4459-9bcc-184ac5c21c2f none            swap    sw                  0       0
/dev/mapper/cryptswap1 none swap sw 0 0
UUID=8534b107-3576-4f00-9150-2081f1e2f430 / ext4 rw,relatime,data=ordered 0 1