diff --git a/scripts/init_pre_network b/scripts/init_pre_network
index f4f848a34..a144ee19e 100755
--- a/scripts/init_pre_network
+++ b/scripts/init_pre_network
@@ -110,26 +110,33 @@ echo "FPP - Clearing reboot flags"
 sed -i -e "s/^rebootFlag .*/rebootFlag = \"0\"/" ${FPPHOME}/media/settings
 
 if [ ! -f /etc/fpp/desktop ]; then
-# make sure the media directory in the settings matches what we used at boot
-echo "FPP - Sanity checking storage device setting"
-MEDIADEV=`findmnt -n -o SOURCE /home/fpp/media | colrm 1 5`
-if [ "$MEDIADEV" = "" ]; then
-    MEDIADEV=`findmnt -n -o SOURCE / | colrm 1 5`
-fi
-if grep -q storageDevice "${FPPHOME}/media/settings"; then
-    sed -i -e "s#^storageDevice .*#storageDevice = \"$MEDIADEV\"#" ${FPPHOME}/media/settings
-else
-    echo "storageDevice = \"$MEDIADEV\"" >> ${FPPHOME}/media/settings
-fi
+    # make sure the media directory in the settings matches what we used at boot
+    echo "FPP - Sanity checking storage device setting"
+    MEDIADEV=`findmnt -n -o SOURCE /home/fpp/media | colrm 1 5`
+    if [ "$MEDIADEV" = "" ]; then
+        MEDIADEV=`findmnt -n -o SOURCE / | colrm 1 5`
+    fi
+    if grep -q storageDevice "${FPPHOME}/media/settings"; then
+        sed -i -e "s#^storageDevice .*#storageDevice = \"$MEDIADEV\"#" ${FPPHOME}/media/settings
+    else
+        echo "storageDevice = \"$MEDIADEV\"" >> ${FPPHOME}/media/settings
+    fi
 
-    LASTBLOCK=$(getSetting LastBlock)
-    if [ "x${LASTBLOCK}" != "x0" ]
-    then
-        LASTBLOCK=$(sfdisk -q -l -o end /dev/mmcblk0 2>/dev/null | tail -n 1)
-        if [ "$LASTBLOCK" == "" ]; then
-            LASTBLOCK=0
+    if [ -f /dev/mmcblk0 ]; then
+        SPACEFREE_SFDISK=$(sfdisk -F /dev/mmcblk0 2>/dev/null | tail -n 1)
+        if [ "$SPACEFREE_SFDISK" == "" ]; then
+            setSetting UnpartitionedSpace "0"
+        else
+            read -r -a SFARRAY <<< "$SPACEFREE_SFDISK"
+            if [ "${SFARRAY[3]: -1}" == "G" ]; then
+                SPACEFREE=${SFARRAY[3]::-1}
+                setSetting UnpartitionedSpace "${SPACEFREE}"            
+            elif [ "${SFARRAY[3]: -1}" == "M" ]; then
+                setSetting UnpartitionedSpace "0"
+            fi
         fi
-        setSetting LastBlock $LASTBLOCK
+    else 
+        setSetting UnpartitionedSpace "0"
     fi
 fi
 
@@ -156,7 +163,7 @@ then
         if [[ $uboot != *"U-Boot 2022.04-gd0771d5"* ]]; then
             cd /opt/fpp/bin.bbb/bootloader
             /opt/fpp/bin.bbb/bootloader/install.sh
-            echo 'rebootFlag = "1"' >> /home/fpp/media/settings
+            setSetting rebootFlag "1"
         fi
     else
         # bug in kernel on pcoketbeagle where in P2-36 is not
diff --git a/www/healthCheck.php b/www/healthCheck.php
index 11fdd0603..f2a3cccac 100644
--- a/www/healthCheck.php
+++ b/www/healthCheck.php
@@ -33,7 +33,7 @@ function StartHealthCheck() {
         <div id="healthCheck" class="">
 
 <?php
-if (isset($settings["LastBlock"]) && $settings["LastBlock"] > 1000000 && $settings["LastBlock"] < 8000000) {
+if (isset($settings["UnpartitionedSpace"]) && $settings["UnpartitionedSpace"] > 0) {
 ?>
 <div id='upgradeFlag' class="alert alert-danger" role="alert">
      SD card has unused space.  Go to
diff --git a/www/index.php b/www/index.php
index f54a5a3e7..ddedd3249 100644
--- a/www/index.php
+++ b/www/index.php
@@ -197,12 +197,10 @@ function NextPlaylistEntry()
 <h1 class="title statusTitle">Status <span class="statusHostname"><?=$settings["HostName"]?></span></h1>
 
 <?php
-if (isset($settings["LastBlock"]) && $settings["LastBlock"] > 1000000 && $settings["LastBlock"] < 8000000):
+if (isset($settings["UnpartitionedSpace"]) && $settings["UnpartitionedSpace"] > 0):
 ?>
 <div id='spaceFlag' class="alert alert-danger" role="alert">
-     SD card has unused space.  Go to <a href="settings.php?tab=Storage">Storage Settings</a> to expand the
-     file system or create a new storage partition.
-     <input type='button' class='buttons btn-success' style='float: right' value='Leave Unused' onClick='SetSetting("LastBlock", "0", 0, 0); $("#spaceFlag").hide();'>
+     SD card has unused space.  Go to <a href="settings.php?tab=Storage">Storage Settings</a> to expand the file system or create a new storage partition.
 </div>
 <?php endif;?>
 
diff --git a/www/settings-all.php b/www/settings-all.php
index b3cc9b363..70a2cf00d 100644
--- a/www/settings-all.php
+++ b/www/settings-all.php
@@ -7,7 +7,7 @@
 include('common/menuHead.inc');
 
 $storageUILevel = 1;
-if (isset($settings["LastBlock"]) && $settings['LastBlock'] > 0 && $settings['LastBlock'] < 8000000) {
+if (isset($settings["UnpartitionedSpace"]) && $settings['UnpartitionedSpace'] > 0) {
     $storageUILevel = 0;
 }
 $pages = array(
diff --git a/www/settings-storage.php b/www/settings-storage.php
index aafeb6a20..1a5c45b32 100644
--- a/www/settings-storage.php
+++ b/www/settings-storage.php
@@ -10,7 +10,6 @@
 function StorageDialogDone() {
     EnableModalDialogCloseButton("storageSettingsProgress");
     $('#storageSettingsProgressCloseButton').prop("disabled", false);
-    SetSetting("LastBlock", "0", 0, 1);
 }
 function growSDCardFS() {
     DisplayConfirmationDialog("growSDCard", "Grow Filesystem", $("#dialog-confirm"), function() {
@@ -235,7 +234,7 @@ function PrintStorageDeviceSelect($platform)
 exec('findmnt -n -o SOURCE / | colrm 1 5', $output, $return_val);
 $rootDevice = $output[0];
 if ($rootDevice == 'mmcblk0p1' || $rootDevice == 'mmcblk0p2') {
-    if (isset($settings["LastBlock"]) && $settings['LastBlock'] < 8000000 && $settings['LastBlock'] > 0) {
+    if (isset($settings["UnpartitionedSpace"]) && $settings['UnpartitionedSpace'] > 0) {
         $addnewfsbutton = true;
     }
     if ($settings['Platform'] == "BeagleBone Black") {
diff --git a/www/settings.php b/www/settings.php
index d8f8c0fb1..cb17112ef 100644
--- a/www/settings.php
+++ b/www/settings.php
@@ -81,7 +81,7 @@ function UpdateCurrentTime(once = false) {
     $tabId = $_GET['tab'];
 }
 $storageUILevel = 1;
-if (isset($settings["LastBlock"]) && $settings['LastBlock'] > 0 && $settings['LastBlock'] < 8000000) {
+if (isset($settings["UnpartitionedSpace"]) && $settings['UnpartitionedSpace'] > 0) {
     $storageUILevel = 0;
 }
 ?>