diff --git a/chainloader/source/start.s b/chainloader/source/start.s
index f1c9d52..5ea443e 100644
--- a/chainloader/source/start.s
+++ b/chainloader/source/start.s
@@ -56,5 +56,5 @@ disableMpuAndJumpToEntrypoints:
     @ Jump to the ARM9 entrypoint
     mov r0, r4
     mov r1, r5
-    ldr r2, =0x2BEEF
+    ldr r2, =0x3BEEF
     bx r6
diff --git a/exceptions/arm9/source/mainHandler.c b/exceptions/arm9/source/mainHandler.c
index 5fa178b..f1e5ca0 100644
--- a/exceptions/arm9/source/mainHandler.c
+++ b/exceptions/arm9/source/mainHandler.c
@@ -116,7 +116,7 @@ void __attribute__((noreturn)) mainHandler(u32 *regs, u32 type)
     //Copy header (actually optimized by the compiler)
     *(ExceptionDumpHeader *)FINAL_BUFFER = dumpHeader;
 
-    i2cWriteRegister(I2C_DEV_MCU, 0x22, 1 << 0); //Shutdown LCD
+    if(ARESCREENSINITIALIZED) i2cWriteRegister(I2C_DEV_MCU, 0x22, 1 << 0); //Shutdown LCD
 
     ((void (*)())0xFFFF0830)(); //Ensure that all memory transfers have completed and that the data cache has been flushed
 
diff --git a/exceptions/arm9/source/types.h b/exceptions/arm9/source/types.h
index fe5067c..d05cfa6 100644
--- a/exceptions/arm9/source/types.h
+++ b/exceptions/arm9/source/types.h
@@ -39,3 +39,7 @@ typedef volatile u8 vu8;
 typedef volatile u16 vu16;
 typedef volatile u32 vu32;
 typedef volatile u64 vu64;
+
+#define PDN_GPU_CNT (*(vu8  *)0x10141200)
+
+#define ARESCREENSINITIALIZED (PDN_GPU_CNT != 1)
diff --git a/source/config.c b/source/config.c
index 90708f0..af19ca3 100644
--- a/source/config.c
+++ b/source/config.c
@@ -240,7 +240,7 @@ void configMenu(bool oldPinStatus, u32 oldPinMode)
     initScreens();
 
     static const char *bootTypes[] = { "B9S",
-                                       "B9S (ntrboothax)",
+                                       "B9S (ntrboot)",
                                        "FIRM0",
                                        "FIRM1" };
 
diff --git a/source/utils.c b/source/utils.c
index d3c8642..9dff18f 100644
--- a/source/utils.c
+++ b/source/utils.c
@@ -107,7 +107,7 @@ void mcuPowerOff(void)
     if(bootType != FIRMLAUNCH && ARESCREENSINITIALIZED) clearScreens(false);
 
     //Shutdown LCD
-    i2cWriteRegister(I2C_DEV_MCU, 0x22, 1 << 0);
+    if(ARESCREENSINITIALIZED) i2cWriteRegister(I2C_DEV_MCU, 0x22, 1 << 0);
 
     //Ensure that all memory transfers have completed and that the data cache has been flushed
     flushEntireDCache();