diff --git a/Dockerfile b/Dockerfile
index 7f6e5f2..3765da1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -179,16 +179,16 @@
 # sound driver and GTK library
 # If you want to use sounds on docker, try `pulseaudio --start`
 RUN apt-get update && apt-get install -y --no-install-recommends \
-      alsa pulseaudio libgtk2.0-0 && \
+      alsa pulseaudio libgtk2.0-0 lightdm && \
     rm -rf /var/lib/apt/lists/*
 
 # novnc
 # download websockify as well
-RUN wget https://github.com/novnc/noVNC/archive/v1.2.0.zip && \
-  unzip -q v1.2.0.zip && \
-  rm -rf v1.2.0.zip && \
-  git clone https://github.com/novnc/websockify /noVNC-1.2.0/utils/websockify
-
+RUN wget https://github.com/novnc/noVNC/archive/v1.1.0.zip && \
+  unzip -q v1.1.0.zip && \
+  rm -rf v1.1.0.zip && \
+  git clone https://github.com/novnc/websockify /noVNC-1.1.0/utils/websockify && \
+  sudo dpkg-reconfigure lightdm
 # Xorg segfault error
 # dbus-core: error connecting to system bus: org.freedesktop.DBus.Error.FileNotFound (Failed to connect to socket /var/run/dbus/system_bus_socket: No such file or directory)
 # related? https://github.com/Microsoft/WSL/issues/2016
diff --git a/run.sh b/run.sh
index 9066d76..8db54bf 100755
--- a/run.sh
+++ b/run.sh
@@ -3,7 +3,7 @@
 
 # 0. generate xorg.conf
 BUS_ID=$(nvidia-xconfig --query-gpu-info | grep 'PCI BusID' | sed -r 's/\s*PCI BusID : PCI:(.*)/\1/')
-nvidia-xconfig -a --virtual=$RESOLUTION --allow-empty-initial-configuration --enable-all-gpus --busid $BUS_ID
+nvidia-xconfig -a --virtual=$RESOLUTION --allow-empty-initial-configuration --enable-all-gpus --busid $BUS_ID --cool-bits=28 --use-display-device="DFP-0" --connected-monitor="DFP-0" 
 
 # 1. launch X server
 Xorg :0 &
@@ -11,7 +11,7 @@
 
 # 2. start x11 and vnc connection
 # to inspect logs in detail, use --verbose
-x11vnc -display :0 -passwd $VNCPASS -forever -rfbport 5900 &
+x11vnc -display :0 -passwd $VNCPASS -forever -rfbport 5900 -ncache 10 &
 sleep 2  # wait for the server gets ready
 
 # 2.5 start audio
@@ -20,7 +20,7 @@
 # sleep 2
 
 # 3. start noVNC
-/noVNC-1.2.0/utils/launch.sh --vnc localhost:5900 --listen 8081 &
+/noVNC-1.1.0/utils/launch.sh --vnc localhost:5900 --listen 8081 &
 sleep 2
 
 echo 'running noVNC at http://docker_ip:6080/vnc_lite.html'