#StackBounty: #boot #16.04 #kubuntu Kubuntu 16.04.1 boots slowly

Bounty: 50

I have been using Kubuntu 16.04.1 for almost a month, so far so good, but the boot is very slow, I was using Ubuntu Gnome before it and it booted in 5 seconds, Kubuntu takes a minute and a half just loading the Kubuntu logo, And nothing else is installed alongside Kubuntu.

Any idea how to fix this? I have an SSD by the way.

Output of systemd-analyze blame:

       680ms dev-sda1.device
       670ms apt-daily.service
       491ms grub-common.service
       487ms accounts-daemon.service
       459ms NetworkManager.service
       154ms ondemand.service
       151ms systemd-udev-trigger.service
       140ms ModemManager.service
       138ms gpu-manager.service
       129ms upower.service
       126ms apparmor.service
       118ms networking.service
       109ms thermald.service
       108ms console-setup.service
       107ms systemd-logind.service
       103ms irqbalance.service
        83ms apport.service
        80ms keyboard-setup.service
        61ms udisks2.service
        53ms alsa-restore.service
        48ms rsyslog.service
        47ms pppd-dns.service
        41ms systemd-journald.service
        38ms snapd.autoimport.service
        35ms systemd-user-sessions.service
        34ms avahi-daemon.service
        34ms systemd-tmpfiles-setup.service
        34ms plymouth-start.service
        32ms systemd-rfkill.service
        31ms plymouth-quit.service
        31ms systemd-journal-flush.service
        28ms plymouth-read-write.service
        25ms user@1000.service
        24ms resolvconf.service

lines 1-34

systemd-analyze critical-chain output:

graphical.target @1min 30.518s └─multi-user.target @1min 30.493s   └─getty.target @1min 30.459s
    └─getty@tty1.service @1min 30.459s
      └─rc-local.service @1min 30.453s +1ms
        └─network.target @1min 30.433s
          └─wpa_supplicant.service @1min 30.625s +28ms
            └─basic.target @1min 30.197s
              └─sockets.target @1min 30.197s
                └─snapd.socket @1min 30.195s +1ms
                  └─sysinit.target @1min 30.194s
                    └─systemd-backlight@backlight:intel_backlight.service >@525ms +2ms
                      └─system-systemdx2dbacklight.slice @511ms
                        └─system.slice @126ms    
                   └─-.slice @125ms

Get this bounty!!!

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