Extremely Slow Boot up on Ubuntu 20.04

Hi I have freshly installed Ubuntu 20.04 on my sony vaio laptop
laptop spec here –

https://www.sony.co.in/electronics/support/laptop-pc-vpc-series/vpceh35en/specifications

i have updated my drivers and all the repositories still it takes a lot of time

Systemd-analyze output

Startup finished in 4.678s (kernel) + 1min 24.104s (userspace) = 1min 28.782s
graphical.target reached after 1min 21.824s in userspace

output of 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/sda7 during installation UUID=79843cb2-a8d1-4281-9f9b-013d7563767d /               ext4    errors=remount-ro 0       1
# /boot/efi was on /dev/sda1 during installation UUID=C796-CF4B  /boot/efi       vfat    umask=0077      0       1
# swap was on /dev/sda6/ during installation UUID=929863a0-6f86-4690-bb2a-4dec85813d90                           none            swap    sw              0       0
# 186 GB external drive outside the home area UUID=1AE0C521E0C5044B /media/ashish-mehar/ASHISH_MEHAR ntfs permissions,locale=en_US.utf8    0   2

Output sudo blkid

/dev/sda6: UUID=”929863a0-6f86-4690-bb2a-4dec85813d90″ TYPE=”swap”
> PARTUUID=”8b88b09e-06″ /dev/sda7:
> UUID=”79843cb2-a8d1-4281-9f9b-013d7563767d” TYPE=”ext4″
> PARTUUID=”8b88b09e-07″ /dev/loop0: TYPE=”squashfs” /dev/loop1:
> TYPE=”squashfs” /dev/loop2: TYPE=”squashfs” /dev/loop3:
> TYPE=”squashfs” /dev/loop4: TYPE=”squashfs” /dev/loop5:
> TYPE=”squashfs” /dev/loop6: TYPE=”squashfs” /dev/loop7:
> TYPE=”squashfs” /dev/sda1: UUID=”C796-CF4B” TYPE=”vfat”
> PARTUUID=”8b88b09e-01″ /dev/sda5: LABEL=”ASHISH_MEHAR”
> UUID=”1AE0C521E0C5044B” TYPE=”ntfs” PARTUUID=”8b88b09e-05″ /dev/loop8:
> TYPE=”squashfs” /dev/loop9: TYPE=”squashfs” /dev/loop10:
> TYPE=”squashfs” /dev/loop11: TYPE=”squashfs” /dev/loop12:
> TYPE=”squashfs” /dev/loop13: TYPE=”squashfs”

SNAP LIST

Name Version Rev Tracking Publisher Notes
core18 20210611 2074 latest/stable canonical* base
core20 20210429 1026 latest/stable canonical* base
gnome-3-34-1804 0+git.3556cb3 72 latest/stable/… canonical* –
gtk-common-themes 0.1-52-gb92ac40 1515 latest/stable/… canonical* –
snap-store 3.38.0-64-g23c4c77 547 latest/stable/… canonical* –
snapd 2.51.1 12398 latest/stable canonical* snapd
telegram-desktop 2.8.11 2926 latest/stable telegram.desktop –
vlc 3.0.16 2344 latest/stable videolan* –
zoom-client 5.7.1-26030.0627 151 latest/stable ogra –

systemd-analyze blame output
40.750s plymouth-quit-wait.service
25.886s dev-sda7.device
16.949s systemd-journal-flush.service
16.642s snapd.service
15.478s networkd-dispatcher.service
15.442s dev-loop12.device
15.303s dev-loop11.device
15.296s dev-loop13.device
14.123s dev-loop9.device
13.389s dev-loop6.device
12.417s dev-loop8.device
12.351s dev-loop10.device
11.498s udisks2.service
11.076s NetworkManager-wait-online.service
10.741s dev-loop5.device
9.163s apport-autoreport.service
8.960s dev-loop7.device
8.921s dev-loop4.device
7.983s dev-loop3.device
7.442s accounts-daemon.service
6.943s dev-loop2.device
6.914s NetworkManager.service
6.743s polkit.service
6.666s dev-loop1.device
6.612s dev-loop0.device
6.475s avahi-daemon.service
6.472s bluetooth.service
5.775s switcheroo-control.service
5.768s thermald.service
5.763s systemd-logind.service
5.536s wpa_supplicant.service
4.844s ModemManager.service
4.112s gpu-manager.service
4.024s gdm.service
2.914s plymouth-start.service
2.799s systemd-udevd.service
2.785s apport.service
2.505s grub-common.service
2.273s tlp.service
2.006s fwupd.service
1.891s apparmor.service
1.780s rsyslog.service
1.651s systemd-resolved.service
1.374s user@125.service
1.061s systemd-tmpfiles-setup.service
1.046s systemd-fsck@dev-disk-byx2duuid-C796x2dCF4B.service
1.014s systemd-random-seed.service
990ms e2scrub_reap.service
984ms systemd-sysusers.service
866ms systemd-modules-load.service
811ms systemd-udev-trigger.service
720ms systemd-sysctl.service
706ms snapd.apparmor.service
608ms snap-core20-1026.mount
601ms systemd-journald.service
578ms media-ashishx2dmehar-ASHISH_MEHAR.mount
570ms systemd-tmpfiles-setup-dev.service
566ms grub-initrd-fallback.service
555ms upower.service
540ms keyboard-setup.service
500ms snap-snapx2dstore-547.mount
470ms snap-gnomex2d3x2d34x2d1804-66.mount
455ms snap-telegramx2ddesktop-2926.mount
442ms snap-core18-1988.mount
435ms snap-zoomx2dclient-151.mount
433ms dev-disk-byx2duuid-929863a0x2d6f86x2d4690x2dbb2ax2d4dec85813d90.swap
433ms systemd-timesyncd.service
427ms modprobe@drm.service
421ms colord.service
408ms snap-core18-2074.mount
384ms snap-vlc-2344.mount
330ms snap-gnomex2d3x2d34x2d1804-72.mount
329ms snap-gtkx2dcommonx2dthemes-1514.mount
307ms pppd-dns.service
294ms snap-gtkx2dcommonx2dthemes-1515.mount
249ms snap-snapx2dstore-518.mount
247ms user@1000.service
243ms snap-snapd-12398.mount
214ms setvtrgb.service
209ms snap-snapd-11036.mount
200ms dev-hugepages.mount
200ms dev-mqueue.mount