diff --git a/files/initrd/opt/rr/menu.sh b/files/initrd/opt/rr/menu.sh
index e91c7b2f..022c5d18 100755
--- a/files/initrd/opt/rr/menu.sh
+++ b/files/initrd/opt/rr/menu.sh
@@ -2319,8 +2319,10 @@ function advancedMenu() {
       echo "i \"$(TEXT "Timeout of get ip in boot:") \Z4${BOOTIPWAIT}\Zn\"" >>"${TMP_PATH}/menu"
       echo "w \"$(TEXT "Timeout of boot wait:") \Z4${BOOTWAIT}\Zn\"" >>"${TMP_PATH}/menu"
       echo "k \"$(TEXT "kernel switching method:") \Z4${KERNELWAY}\Zn\"" >>"${TMP_PATH}/menu"
-      checkCmdline "rr_cmdline" "nomodeset" && POWEROFFDISPLAY="false" || POWEROFFDISPLAY="true"
-      echo "7 \"$(TEXT "Power off display after boot: ") \Z4${POWEROFFDISPLAY}\Zn\"" >>"${TMP_PATH}/menu"
+      if false; then  # Some GPU have compatibility issues, so this function is temporarily disabled. RR_CMDLINE= ... nomodeset
+        checkCmdline "rr_cmdline" "nomodeset" && POWEROFFDISPLAY="false" || POWEROFFDISPLAY="true"
+        echo "7 \"$(TEXT "Power off display after boot: ") \Z4${POWEROFFDISPLAY}\Zn\"" >>"${TMP_PATH}/menu"
+      fi
     fi
     echo "n \"$(TEXT "Reboot on kernel panic:") \Z4${KERNELPANIC}\Zn\"" >>"${TMP_PATH}/menu"
     if [ -n "$(ls /dev/mmcblk* 2>/dev/null)" ]; then
diff --git a/files/mnt/p1/boot/grub/grub.cfg b/files/mnt/p1/boot/grub/grub.cfg
index e41719cc..fa77a0f7 100644
--- a/files/mnt/p1/boot/grub/grub.cfg
+++ b/files/mnt/p1/boot/grub/grub.cfg
@@ -70,7 +70,7 @@ function set_gfxpayload {
   fi
 }
 
-set RR_CMDLINE="earlyprintk earlycon=ttyS0,115200 console=ttyS0,115200 root=/dev/ram rootwait pcie_aspm=off net.ifnames=0 nox2apic"
+set RR_CMDLINE="earlyprintk earlycon=ttyS0,115200 console=ttyS0,115200 root=/dev/ram rootwait pcie_aspm=off net.ifnames=0 nox2apic nomodeset"
 
 search --set=root --label "RR3"
 if [ -s /zImage-dsm -a -s /initrd-dsm ]; then