No/Incorrect GRUB menu

[Gerard_Noob]

Hi all.
as part of a solution to another problem I have posted on the forum I need to open the grub menu locate correct boot file and push ''e'' to edit. The aim is to add kernel parameters to fix a problem spamming my syslog files and filling up my hard drive.
INXI:

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gerard@gerard-Z450UAK:~$ inxi -F
System:
  Host: gerard-Z450UAK Kernel: 5.15.0-67-generic x86_64 bits: 64
    Desktop: MATE 1.26.0 Distro: Linux Mint 21 Vanessa
Machine:
  Type: Laptop System: ASUSTeK product: Z450UAK v: 1.0
    serial: <superuser required>
  Mobo: ASUSTeK model: Z450UAK v: 1.0 serial: <superuser required>
    UEFI: American Megatrends v: Z450UAK.300 date: 04/17/2019
Battery:
  ID-1: BAT0 charge: 20.4 Wh (94.9%) condition: 21.5/38.0 Wh (56.5%)
    volts: 7.6 min: 7.6
CPU:
  Info: dual core model: Intel Core i5-7200U bits: 64 type: MT MCP cache:
    L2: 512 KiB
  Speed (MHz): avg: 3100 min/max: 400/3100 cores: 1: 3100 2: 3100 3: 3100
    4: 3100
Graphics:
  Device-1: Intel HD Graphics 620 driver: i915 v: kernel
  Device-2: Realtek USB2.0 VGA UVC WebCam type: USB driver: uvcvideo
  Display: x11 server: X.Org v: 1.21.1.3 driver: X: loaded: modesetting
    unloaded: fbdev,vesa gpu: i915 resolution: 1366x768~60Hz
  OpenGL: renderer: Mesa Intel HD Graphics 620 (KBL GT2) v: 4.6 Mesa 22.2.5
Audio:
  Device-1: Intel Sunrise Point-LP HD Audio driver: snd_hda_intel
  Sound Server-1: ALSA v: k5.15.0-67-generic running: yes
  Sound Server-2: PulseAudio v: 15.99.1 running: yes
  Sound Server-3: PipeWire v: 0.3.48 running: yes
Network:
  Device-1: Realtek RTL810xE PCI Express Fast Ethernet driver: r8169
  IF: enp2s0f2 state: down mac: 60:45:cb:b7:f0:a0
  Device-2: Realtek RTL8723BE PCIe Wireless Network Adapter
    driver: rtl8723be
  IF: wlp3s0 state: up mac: 70:4d:7b:d1:49:1c
Bluetooth:
  Device-1: Realtek Bluetooth Radio type: USB driver: btusb
  Report: hciconfig ID: hci0 rfk-id: 0 state: down
    bt-service: enabled,running rfk-block: hardware: no software: yes
    address: 70:4D:7B:D1:49:1D
Drives:
  Local Storage: total: 1.82 TiB used: 93.53 GiB (5.0%)
  ID-1: /dev/sda vendor: Toshiba model: MQ01ABD100 size: 931.51 GiB
  ID-2: /dev/sdb type: USB vendor: HGST (Hitachi) model: HTS541010B7E610
    size: 931.51 GiB
Partition:
  ID-1: / size: 915.32 GiB used: 28.26 GiB (3.1%) fs: ext4 dev: /dev/sda2
  ID-2: /boot/efi size: 511 MiB used: 5.2 MiB (1.0%) fs: vfat
    dev: /dev/sda1
Swap:
  ID-1: swap-1 type: file size: 2 GiB used: 0 KiB (0.0%) file: /swapfile
Sensors:
  System Temperatures: cpu: 61.0 C pch: 48.0 C mobo: N/A
  Fan Speeds (RPM): cpu: 3700
Info:
  Processes: 223 Uptime: 9m Memory: 7.65 GiB used: 1.62 GiB (21.2%)
  Shell: Bash inxi: 3.3.13
gerard@gerard-Z450UAK:~$ 

I've looked online and it looks like its not GRUB that opens up.Here's a picture from my phone

The only option from here is to boot or continue to the UEFI
I'm quite inexperienced but it seems like people had GRUB by default. I installed mint on an old laptop that came preinstalled with window etc. Its a single install.
Any hits on how to be able to edit/add kernel parameters. will I need to install new software?

[MiZoG]

This looks like the boot selection menu specific to the UEFI implementation of your laptop.
Most likely it has nothing to do with Mint at all.
When you select to boot to "Ubuntu", what happens next?
Under normal circumstances you should see the grub menu right at that point.

[Gerard_Noob]

Yeah, I get the feeling it is. text and colour scheme etc is so similar. When I boot, it goes straight into loading mint

[Reddog1]

You need to unhide your grub, which is hidden by default in ubuntu-based systems if there is only one operating system installed on the HD. With an EFI system, you should be able to show the Grub menu at boot-up by spamming the ESC key. If you installed Mint in legacy mode, spam the SHIFT key at boot. Or, you can show the grub menu permanently, for all boots, by:

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sudo nano /etc/default/grub

Arrow down to the following lines and edit to what is here:

GRUB_TIMEOUT_STYLE=menu

GRUB_TIMEOUT=10

Hit CTL+x and answer Y and then hit ENTER, which will save your edits

In a terminal, run:

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sudo update-grub

And reboot. The Grub menu will appear and you will have a 10 second delay of boot if you do nothing.