diff --git a/buildroot-external/board/intelnuc/grub.cfg b/buildroot-external/board/intelnuc/grub.cfg
index d99ba5ff68..c5cbc64bb3 100644
--- a/buildroot-external/board/intelnuc/grub.cfg
+++ b/buildroot-external/board/intelnuc/grub.cfg
@@ -1,5 +1,6 @@
 # default settings
 set timeout="5"
+set gfxpayload=1024x768x32,1024x768,auto
 
 # search for our main filesystems
 search --no-floppy --label bootfs --set=bootfs
@@ -19,10 +20,10 @@ fi
 # menu entry definitions
 menuentry "RaspberryMatic" {
   set root=$rootfs
-  linux /zImage console=tty2 root=PARTUUID=deedbeef-02 ro rootwait rootdelay=5 rootfstype=ext4 fsck.repair=yes vga=792 init_on_alloc=1 init_on_free=1 slab_nomerge pti=on net.ifnames=0 quiet loglevel=0
+  linux /zImage console=tty2 root=PARTUUID=deedbeef-02 ro rootwait rootdelay=5 rootfstype=ext4 fsck.repair=yes init_on_alloc=1 init_on_free=1 slab_nomerge pti=on net.ifnames=0 quiet loglevel=0
 }
 menuentry "RaspberryMatic-recovery" {
   set root=$bootfs
-  linux /recoveryfs-zImage console=tty2 root=/dev/ram0 ro rootwait rootdelay=5 vga=792 init_on_alloc=1 init_on_free=1 slab_nomerge pti=on net.ifnames=0 quiet loglevel=0
+  linux /recoveryfs-zImage console=tty2 root=/dev/ram0 ro rootwait rootdelay=5 init_on_alloc=1 init_on_free=1 slab_nomerge pti=on net.ifnames=0 quiet loglevel=0
   initrd /recoveryfs-initrd
 }
diff --git a/buildroot-external/board/ova/grub.cfg b/buildroot-external/board/ova/grub.cfg
index d99ba5ff68..c5cbc64bb3 100644
--- a/buildroot-external/board/ova/grub.cfg
+++ b/buildroot-external/board/ova/grub.cfg
@@ -1,5 +1,6 @@
 # default settings
 set timeout="5"
+set gfxpayload=1024x768x32,1024x768,auto
 
 # search for our main filesystems
 search --no-floppy --label bootfs --set=bootfs
@@ -19,10 +20,10 @@ fi
 # menu entry definitions
 menuentry "RaspberryMatic" {
   set root=$rootfs
-  linux /zImage console=tty2 root=PARTUUID=deedbeef-02 ro rootwait rootdelay=5 rootfstype=ext4 fsck.repair=yes vga=792 init_on_alloc=1 init_on_free=1 slab_nomerge pti=on net.ifnames=0 quiet loglevel=0
+  linux /zImage console=tty2 root=PARTUUID=deedbeef-02 ro rootwait rootdelay=5 rootfstype=ext4 fsck.repair=yes init_on_alloc=1 init_on_free=1 slab_nomerge pti=on net.ifnames=0 quiet loglevel=0
 }
 menuentry "RaspberryMatic-recovery" {
   set root=$bootfs
-  linux /recoveryfs-zImage console=tty2 root=/dev/ram0 ro rootwait rootdelay=5 vga=792 init_on_alloc=1 init_on_free=1 slab_nomerge pti=on net.ifnames=0 quiet loglevel=0
+  linux /recoveryfs-zImage console=tty2 root=/dev/ram0 ro rootwait rootdelay=5 init_on_alloc=1 init_on_free=1 slab_nomerge pti=on net.ifnames=0 quiet loglevel=0
   initrd /recoveryfs-initrd
 }