diff --git a/idd.sh b/idd.sh
index 44d5aa8..8d2d521 100755
--- a/idd.sh
+++ b/idd.sh
@@ -30,6 +30,20 @@ Options(){
   printf "${BWHITE}[Q]${NC} - Quit\n"
 }
 
+CheckFile(){
+  if [ ! -f "${1}" ];then
+    printf "${LRED}${1} is not a valid file path${NC}\n"
+    exit 0;
+  fi
+}
+
+CheckDev(){
+  if [ ! -b "${1}" ];then
+    printf "${LRED}${1} is not a valid block device${NC}\n"
+    exit 0;
+  fi
+}
+
 Quit(){
   if [ "${1}" = "q" ];then
     echo
@@ -63,6 +77,7 @@ case "$1" in
 
      printf "${YELLOW}Copy & paste full file path here: ${NC}"
      read filepath
+     CheckFile ${filepath}
      Quit ${filepath}
      clear
      Options
@@ -74,6 +89,8 @@ case "$1" in
      echo
      printf "${YELLOW}Enter name of device${NC} (${LCYAN}example${NC}, ${LBLUE}sdb${NC}): "
      read devname
+     DEVPATH="${DEVICEDIR}/${devname}"
+     CheckDev ${DEVPATH}
      Quit ${devname}
 
      echo
@@ -109,6 +126,7 @@ case "$1" in
 
       printf "${YELLOW}Copy & paste full file path here: ${NC}"
       read filepath
+      CheckFile ${filepath}
 
       Quit ${filepath}
 
@@ -122,6 +140,9 @@ case "$1" in
       echo
       printf "${YELLOW}Enter name of device${NC} (${LCYAN}example${NC}, ${LBLUE}sdb${NC}): "
       read devname
+
+      DEVPATH="${DEVICEDIR}/${devname}"
+      CheckDev ${DEVPATH}
       Quit ${devname}
 
       echo