diff --git a/usermods/Temperature/usermod_temperature.h b/usermods/Temperature/usermod_temperature.h
index 4762cb25..413448d0 100644
--- a/usermods/Temperature/usermod_temperature.h
+++ b/usermods/Temperature/usermod_temperature.h
@@ -37,7 +37,7 @@ class UsermodTemperature : public Usermod {
     // used to determine when we can read the sensors temperature
     // we have to wait at least 93.75 ms after requestTemperatures() is called
     unsigned long lastTemperaturesRequest;
-    float temperature = -100.0f; // default to -100, DS18B20 only goes down to -50C
+    float temperature = -127.0f; // default to -127, DS18B20 only goes down to -50C
     // indicates requestTemperatures has been called but the sensor measurement is not complete
     bool waitingForConversion = false;
     // flag set at startup if DS18B20 sensor not found, avoids trying to keep getting
@@ -60,7 +60,6 @@ class UsermodTemperature : public Usermod {
       if (oneWire->reset()) {                 // if reset() fails there are no OneWire devices
         oneWire->skip();                      // skip ROM
         oneWire->write(0xBE);                 // read (temperature) from EEPROM
-        delayMicroseconds(250);
         oneWire->read_bytes(data, 9);         // first 2 bytes contain temperature
         #ifdef WLED_DEBUG
         if (OneWire::crc8(data,8) != data[8]) {
@@ -85,7 +84,8 @@ class UsermodTemperature : public Usermod {
             break;
         }
       }
-      return retVal;
+      for (byte i=1; i<9; i++) data[0] &= data[i];
+      return data[0]==0xFF ? -127.0f : retVal;
     }
 
     void requestTemperatures() {
@@ -176,7 +176,7 @@ class UsermodTemperature : public Usermod {
       }
 
       // we were waiting for a conversion to complete, have we waited log enough?
-      if (now - lastTemperaturesRequest >= 100 /* 93.75ms per the datasheet but can be up to 750ms */) {
+      if (now - lastTemperaturesRequest >= 750 /* 93.75ms per the datasheet but can be up to 750ms */) {
         readTemperature();
 
         if (WLED_MQTT_CONNECTED) {
diff --git a/usermods/usermod_v2_four_line_display_ALT/usermod_v2_four_line_display_ALT.h b/usermods/usermod_v2_four_line_display_ALT/usermod_v2_four_line_display_ALT.h
index 1d78a72f..14045a49 100644
--- a/usermods/usermod_v2_four_line_display_ALT/usermod_v2_four_line_display_ALT.h
+++ b/usermods/usermod_v2_four_line_display_ALT/usermod_v2_four_line_display_ALT.h
@@ -386,7 +386,8 @@ class FourLineDisplayUsermod : public Usermod {
       setFlipMode(flip);
       setContrast(contrast); //Contrast setup will help to preserve OLED lifetime. In case OLED need to be brighter increase number up to 255
       setPowerSave(0);
-      drawString(0, 0, "Loading...");
+      //drawString(0, 0, "Loading...");
+      overlay(PSTR("Loading..."),3000,0);
     }
 
     // gets called every time WiFi is (re-)connected. Initialize own network
@@ -484,6 +485,7 @@ class FourLineDisplayUsermod : public Usermod {
       if (forceRedraw) {
           knownHour = 99;
           needRedraw = true;
+          clear();
       } else if ((bri == 0 && powerON) || (bri > 0 && !powerON)) {   //trigger power icon
           powerON = !powerON;
           drawStatusIcons();
@@ -526,6 +528,7 @@ class FourLineDisplayUsermod : public Usermod {
         if (sleepMode && !displayTurnedOff && (now - lastRedraw > screenTimeout)) {
           // We will still check if there is a change in redraw()
           // and turn it back on if it changed.
+          clear();
           sleepOrClock(true);
         } else if (displayTurnedOff && clockMode) {
           showTime();
@@ -539,6 +542,7 @@ class FourLineDisplayUsermod : public Usermod {
       if (displayTurnedOff) {
         // Turn the display back on
         sleepOrClock(false);
+        clear();
       }
 
       // Update last known values.
@@ -705,6 +709,7 @@ class FourLineDisplayUsermod : public Usermod {
       if (type == NONE || !enabled) return false;
       knownHour = 99;
       if (displayTurnedOff) {
+        clear();
         // Turn the display back on
         sleepOrClock(false);
         redraw(true);
@@ -729,8 +734,10 @@ class FourLineDisplayUsermod : public Usermod {
       if (glyphType > 0) {
         if (lineHeight == 2) drawGlyph(5, 0, glyphType, u8x8_font_benji_custom_icons_6x6, true);
         else                 drawGlyph(7, lineHeight, glyphType, u8x8_font_benji_custom_icons_2x2, true);
+        if (line1) drawString(0, 3*lineHeight, line1);
+      } else {
+        if (line1) drawString(0, 2*(lineHeight-1), line1);
       }
-      if (line1) drawString(0, 3*lineHeight, line1);
       overlayUntil = millis() + showHowLong;
     }
 
@@ -777,7 +784,6 @@ class FourLineDisplayUsermod : public Usermod {
      * Enable sleep (turn the display off) or clock mode.
      */
     void sleepOrClock(bool enabled) {
-      clear();
       if (enabled) {
         if (clockMode) {
           knownMinute = knownHour = 99;