diff --git a/include/asm.h b/include/asm.h
index 3c91bdd..6470fc5 100755
--- a/include/asm.h
+++ b/include/asm.h
@@ -53,10 +53,6 @@
         pushl %%eax\n \
         mov %%dr3, %%eax \n \
         pushl %%eax\n \
-        mov %%dr4, %%eax \n \
-        pushl %%eax\n \
-        mov %%dr5, %%eax \n \
-        pushl %%eax\n \
         mov %%dr6, %%eax \n \
         pushl %%eax\n \
         mov %%dr7, %%eax \n \
@@ -80,8 +76,6 @@
         popl %%eax \n \
         popl %%eax \n \
         popl %%eax \n \
-        popl %%eax \n \
-        popl %%eax \n \
         popl %%ss\n \
         popl %%gs\n \
         popl %%fs\n \
diff --git a/lib/video.c b/lib/video.c
index 1574e36..2351096 100755
--- a/lib/video.c
+++ b/lib/video.c
@@ -365,14 +365,15 @@ void registerdriver(videofonction *pointer)
 /*******************************************************************************/
 /* Choisi le meilleur driver en terme d'affichage */
 void apply_bestdriver(void) {
-    u32 i=0,j=0;  
+    u32 i=0,j;  
     u8 bestdepth=0x0;
-    u8 bestresol=0x0;
+    u32 bestresol=0x0;
     u8 bestmode=0x0;
     u8* bestdriver=NULL;
     capabilities *cap;
     while (registred[i].nom!=NULL && i<MAXDRIVERS) {
         cap=registred[i].pointer->getvideo_capabilities();
+        j=0;
         while(cap[j].modenumber!=0xFF) {
             if (cap[j].depth>bestdepth && (cap[j].width*cap[j].height)>=bestresol) 
             {