diff --git a/src/libsys/libsys.c b/src/libsys/libsys.c
index de2ad87..c045a95 100644
--- a/src/libsys/libsys.c
+++ b/src/libsys/libsys.c
@@ -22,13 +22,13 @@ void libsys_init(void)
 	uint32_t volatile *pVGA_ctrl = (uint32_t*)SYS_VGA_CTRL;
 	uint32_t volatile *pITIM_ctrl = (uint32_t*)SYS_ITIM_CTRL;
 
-	Screen_clr();
+//	Screen_clr();
 
 	// Disable timers
 	*pITIM_ctrl = 0;
 
 	// Disable all VGA stuff
-	*pVGA_ctrl = 0;
+//	*pVGA_ctrl = 0;
 
 	// Initialzie syscall support
 	syscalls_init();
@@ -40,7 +40,7 @@ void libsys_init(void)
 	dbg_init();
 
 	// flush stdin
-	flush(GetPort(0));
+//	flush(GetPort(0));
 
 	// Do some initializations here
 
diff --git a/src/test_exception.c b/src/test_exception.c
index c88902a..5634efd 100644
--- a/src/test_exception.c
+++ b/src/test_exception.c
@@ -195,8 +195,8 @@ int main(void)
 
 	while(1)
 	{
-		printf("Welche exception m�chten Sie testen?\n");
-		printf(" 1 : Reserved instruction\n");
+		printf("Welche exception möchten Sie testen?\n");
+		printf(" 1 : Reserved instruction (EPC = 0x40010000)\n");
 		printf(" 2 : Privileged address (BadVAddr = 0x80000000)\n");
 		printf(" 3 : Arithmetic overflow\n");
 		printf(" 4 : Syscall\n");
@@ -211,8 +211,10 @@ int main(void)
 		printf("13 : Load error on instruction and Load error on data (BadVAddr = 0x40000003)\n");
 		printf("14 : Load error on data and Load error on instruction (BadVAddr = 0x40000002)\n");
 
-		scanf("%d", &sel);
-		printf("Jetzt kommt die exception (%d)!\n", sel);
+		fflush(stdin);
+		int res = scanf("%d", &sel);
+			
+		printf("Jetzt kommt die exception (%d), res = %d!\n", sel, res);
 
 		switch(sel)
 		{