Hi! I tried to the different methods to disable grub menu displaying,but all my trying not works. I will paste here context of my /etc/default/grub :
context of the file see here
GRUB boot loader configuration
GRUB_DEFAULT=‘0’
GRUB_TIMEOUT=‘0’
GRUB_DISTRIBUTOR=‘EndeavourOS’
GRUB_CMDLINE_LINUX_DEFAULT=‘nowatchdog nvme_load=YES resume=UUID=fdfb628b-22e6-442c-b535-a6cc018357e3 loglevel=3’
GRUB_CMDLINE_LINUX=“”
GRUB_CMDLINE_LINUX_DEFAULT=“splash quiet plymouth.nolog”
Preload both GPT and MBR modules so that they are not missed
GRUB_PRELOAD_MODULES=“part_gpt part_msdos”
Uncomment to enable booting from LUKS encrypted devices
#GRUB_ENABLE_CRYPTODISK=y
GRUB_RECORDFAIL_TIMEOUT=$GRUB_HIDDEN_TIMEOUT
Set to ‘countdown’ or ‘hidden’ to change timeout behavior,
press ESC key to display menu.
GRUB_TIMEOUT_STYLE=hidden
Uncomment to use basic console
GRUB_TERMINAL_INPUT=console
Uncomment to disable graphical terminal
#GRUB_TERMINAL_OUTPUT=console
The resolution used on graphical terminal
note that you can use only modes which your graphic card supports via VBE
you can see them in real GRUB with the command `videoinfo’
GRUB_GFXMODE=auto
Uncomment to allow the kernel use the same resolution used by grub
GRUB_GFXPAYLOAD_LINUX=keep
Uncomment if you want GRUB to pass to the Linux kernel the old parameter
format “root=/dev/xxx” instead of “root=/dev/disk/by-uuid/xxx”
#GRUB_DISABLE_LINUX_UUID=true
Uncomment to disable generation of recovery mode menu entries
GRUB_DISABLE_RECOVERY=‘true’
Uncomment and set to the desired menu colors. Used by normal and wallpaper
modes only. Entries specified as foreground/background.
#GRUB_COLOR_NORMAL=“light-blue/black”
#GRUB_COLOR_HIGHLIGHT=“light-cyan/blue”
Uncomment one of them for the gfx desired, a image background or a gfxtheme
GRUB_BACKGROUND=‘/usr/share/endeavouros/splash.png’
Uncomment to get a beep at GRUB start
#GRUB_INIT_TUNE=“480 440 1”
Uncomment to make GRUB remember the last selection. This requires
setting ‘GRUB_DEFAULT=saved’ above.
#GRUB_SAVEDEFAULT=true
Uncomment to disable submenus in boot menu
GRUB_DISABLE_SUBMENU=‘false’
Probing for other operating systems is disabled for security reasons. Read
documentation on GRUB_DISABLE_OS_PROBER, if still want to enable this
functionality install os-prober and uncomment to detect and include other
operating systems.
#GRUB_DISABLE_OS_PROBER=false
GRUB_EARLY_INITRD_LINUX_STOCK=‘’
GRUB_THEME=“/usr/share/grub/themes/Tela/theme.txt”