diff --git a/packages/tools/installer/scripts/installer b/packages/tools/installer/scripts/installer
index 533d4909e4..10cf0d4e4a 100755
--- a/packages/tools/installer/scripts/installer
+++ b/packages/tools/installer/scripts/installer
@@ -407,9 +407,12 @@ function bios_backup() {
   # create an backup from installed bios
     if [ "$BIOS_UPDATE" = "yes" -a -f "$BIOS_FILE" ]; then
 
+      clear
       echo "##### backup old BIOS to $BIOS_BACKUP #####"
         usleep 1000000
-        flashrom --read "$BIOS_BACKUP"
+        mount -o remount,rw /flash
+        flashrom --read /flash/$BIOS_BACKUP
+        mount -o remount,ro /flash
 
       echo "##### Please control the output and press any key to continue #####"
       read -sn1
@@ -424,6 +427,7 @@ function bios_update() {
   # update the bios
     if [ "$BIOS_UPDATE" = "yes" -a -f "$BIOS_FILE" ]; then
 
+      clear
       echo "##### erasing BIOS #####"
         usleep 1000000
         flashrom --erase
@@ -445,6 +449,7 @@ function bios_erase() {
   # erase the bios
     if [ "$BIOS_UPDATE" = "yes" -a -f "$BIOS_FILE" ]; then
 
+      clear
       echo "##### erasing BIOS #####"
         usleep 1000000
         flashrom --erase