Kali Linux installed in external HDD takes forever to boot

Hello, I have kali linux 2020 installed in external HDD and it takes just too much time to boot. I have tried different things but of no avail, can any kali expert help me with this?
I am sharing some of the information about my OS.

Output (systemd-analyze):
Startup finished in 11.417s (kernel) + 2min 4.281s (userspace) = 2min 15.698s
graphical.target reached after 2min 4.254s in userspace

Output(fdisk -l):
Disk /dev/sda: 298.9 GiB, 320072933376 bytes, 625142448 sectors
Disk model: HGST HTS725032A7
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disklabel type: dos
Disk identifier: 0xca074851

Device Boot Start End Sectors Size Id Type
/dev/sda1 2048 1026047 1024000 500M 7 HPFS/NTFS/exFAT
/dev/sda2 * 1026048 246786047 245760000 117.2G 7 HPFS/NTFS/exFAT
/dev/sda3 246786048 522737663 275951616 131.6G 7 HPFS/NTFS/exFAT
/dev/sda4 522737664 625139711 102402048 48.8G f W95 Ext'd (LBA)
/dev/sda5 522739712 625139711 102400000 48.8G 7 HPFS/NTFS/exFAT


Disk /dev/sdb: 149.5 GiB, 160041883648 bytes, 312581804 sectors
Disk model: Elements
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x904c5681

Device Boot Start End Sectors Size Id Type
/dev/sdb1 2048 296013823 296011776 141.2G 83 Linux
/dev/sdb2 296015870 312580095 16564226 7.9G 5 Extended
/dev/sdb5 296015872 312580095 16564224 7.9G 82 Linux swap / Solaris

Output (swapon -s):

Filename Type Size Used Priority
/dev/sdb5 partition 8282108 0 -2

Output(cat /etc/initramfs-tools/conf.d/resume)
RESUME=UUID=c0e8bbb2-c4d9-4211-bc3a-59d9ec91d8d6

Output(cat /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/sdc1 during installation
UUID=832ebaee-6909-4f7d-a038-108b53d70bb9 / ext4 errors=remount-ro 0 1
# swap was on /dev/sdc5 during installation
UUID=c0e8bbb2-c4d9-4211-bc3a-59d9ec91d8d6 none swap sw 0 0