diff --git a/LCD7B-show b/LCD7B-show
index 0e17561..09560dd 100755
--- a/LCD7B-show
+++ b/LCD7B-show
@@ -1,26 +1,39 @@
-sudo cp -rf ./boot/config-7B-800x480.txt /boot/config.txt 
-if [ -b /dev/mmcblk0p7 ]; then
-sudo cp ./usr/cmdline.txt-noobs /boot/cmdline.txt
-else
-sudo cp ./usr/cmdline.txt /boot/
-fi
-sudo cp ./usr/inittab /etc/
-sudo cp -rf ./usr/99-fbturbo.conf-HDMI /usr/share/X11/xorg.conf.d/99-fbturbo.conf 
-nodeplatform=`uname -n`
-kernel=`uname -r`
-version=`uname -v`
-if test "$nodeplatform" = "raspberrypi";then
-echo "this is raspberrypi kernel"
-version=${version%% *}
-version=${version#*#}
-echo $version
-if test $version -lt 970;then
-echo "reboot"
-else
-echo "need to update touch configuration"
-sudo apt-get install xserver-xorg-input-evdev
-fi
-fi
+#!/bin/bash
+
+sudo ./system_backup.sh
+
+sudo cp -rf ./boot/config-nomal.txt ./boot/config.txt.bak
+sudo echo "hdmi_force_hotplug=1" >> ./boot/config.txt.bak
+sudo echo "hdmi_force_edid_audio=1" >> ./boot/config.txt.bak
+sudo echo "dtparam=i2c_arm=on" >> ./boot/config.txt.bak
+sudo echo "dtparam=spi=on" >> ./boot/config.txt.bak
+sudo echo "enable_uart=1" >> ./boot/config.txt.bak
+sudo echo "display_rotate=0" >> ./boot/config.txt.bak
+sudo echo "max_usb_current=1" >> ./boot/config.txt.bak
+sudo echo "config_hdmi_boost=7" >> ./boot/config.txt.bak
+sudo echo "hdmi_group=2" >> ./boot/config.txt.bak
+sudo echo "hdmi_mode=1" >> ./boot/config.txt.bak
+sudo echo "hdmi_mode=87" >> ./boot/config.txt.bak
+sudo echo "hdmi_drive=1" >> ./boot/config.txt.bak
+sudo echo "hdmi_cvt 800 480 60 6 0 0 0" >> ./boot/config.txt.bak
+sudo cp -rf ./boot/config.txt.bak /boot/config.txt
+#sudo cp -rf ./boot/config-7B-800x480.txt /boot/config.txt
+sudo cp -rf ./usr/99-fbturbo.conf-HDMI /usr/share/X11/xorg.conf.d/99-fbturbo.conf
+
+if [ ! -d /etc/X11/xorg.conf.d ]; then
 sudo mkdir /etc/X11/xorg.conf.d
-sudo cp ./usr/40-libinput.conf-HDMI7B /etc/X11/xorg.conf.d/40-libinput.conf
+fi
+sudo cp ./usr/40-libinput.conf-0 /etc/X11/xorg.conf.d/40-libinput.conf
+sudo touch ./.have_installed
+echo "hdmi:capacity:7B-800x480:0:800:480" > ./.have_installed
+sudo sync
+sudo sync
+sleep 1
+if [ $# -eq 1 ]; then
+sudo ./rotate.sh $1
+elif [ $# -gt 1 ]; then
+echo "Too many parameters"
+fi
+
+echo "reboot now"
 sudo reboot
diff --git a/LCD7C-show b/LCD7C-show
index ce18243..c9e1085 100755
--- a/LCD7C-show
+++ b/LCD7C-show
@@ -1,28 +1,39 @@
-sudo cp -rf ./boot/config-7C-1024x600.txt /boot/config.txt 
+#!/bin/bash
 
-if [ -b /dev/mmcblk0p7 ]; then
-sudo cp ./usr/cmdline.txt-noobs /boot/cmdline.txt
-else
-sudo cp ./usr/cmdline.txt /boot/
-fi
-sudo cp ./usr/inittab /etc/
-sudo cp -rf ./usr/99-fbturbo.conf-HDMI /usr/share/X11/xorg.conf.d/99-fbturbo.conf 
+sudo ./system_backup.sh
 
-nodeplatform=`uname -n`
-kernel=`uname -r`
-version=`uname -v`
-if test "$nodeplatform" = "raspberrypi";then
-echo "this is raspberrypi kernel"
-version=${version%% *}
-version=${version#*#}
-echo $version
-if test $version -lt 970;then
-echo "reboot"
-else
-echo "need to update touch configuration"
-sudo apt-get install xserver-xorg-input-evdev
-fi
-fi
+sudo cp -rf ./boot/config-nomal.txt ./boot/config.txt.bak
+sudo echo "hdmi_force_hotplug=1" >> ./boot/config.txt.bak
+sudo echo "hdmi_force_edid_audio=1" >> ./boot/config.txt.bak
+sudo echo "dtparam=i2c_arm=on" >> ./boot/config.txt.bak
+sudo echo "dtparam=spi=on" >> ./boot/config.txt.bak
+sudo echo "enable_uart=1" >> ./boot/config.txt.bak
+sudo echo "display_rotate=0" >> ./boot/config.txt.bak
+sudo echo "max_usb_current=1" >> ./boot/config.txt.bak
+sudo echo "config_hdmi_boost=7" >> ./boot/config.txt.bak
+sudo echo "hdmi_group=2" >> ./boot/config.txt.bak
+sudo echo "hdmi_mode=1" >> ./boot/config.txt.bak
+sudo echo "hdmi_mode=87" >> ./boot/config.txt.bak
+sudo echo "hdmi_drive=1" >> ./boot/config.txt.bak
+sudo echo "hdmi_cvt 1024 600 60 6 0 0 0" >> ./boot/config.txt.bak
+sudo cp -rf ./boot/config.txt.bak /boot/config.txt
+#sudo cp -rf ./boot/config-7C-1024x600.txt /boot/config.txt
+sudo cp -rf ./usr/99-fbturbo.conf-HDMI /usr/share/X11/xorg.conf.d/99-fbturbo.conf
+
+if [ ! -d /etc/X11/xorg.conf.d ]; then
 sudo mkdir /etc/X11/xorg.conf.d
-sudo cp ./usr/40-libinput.conf-HDMI7C /etc/X11/xorg.conf.d/40-libinput.conf
+fi
+sudo cp ./usr/40-libinput.conf-0 /etc/X11/xorg.conf.d/40-libinput.conf
+sudo touch ./.have_installed
+echo "hdmi:capacity:7C-1024x600:0:1024:600" > ./.have_installed
+sudo sync
+sudo sync
+sleep 1
+if [ $# -eq 1 ]; then
+sudo ./rotate.sh $1
+elif [ $# -gt 1 ]; then
+echo "Too many parameters"
+fi
+
+echo "reboot now"
 sudo reboot
diff --git a/boot/config.txt.bak b/boot/config.txt.bak
deleted file mode 100755
index 58186f3..0000000
--- a/boot/config.txt.bak
+++ /dev/null
@@ -1,66 +0,0 @@
-# For more options and information see
-# http://rpf.io/configtxt
-# Some settings may impact device functionality. See link above for details
-
-# uncomment if you get no picture on HDMI for a default "safe" mode
-#hdmi_safe=1
-
-# uncomment this if your display has a black border of unused pixels visible
-# and your display can output without overscan
-#disable_overscan=1
-
-# uncomment the following to adjust overscan. Use positive numbers if console
-# goes off screen, and negative if there is too much border
-#overscan_left=16
-#overscan_right=16
-#overscan_top=16
-#overscan_bottom=16
-
-# uncomment to force a console size. By default it will be display's size minus
-# overscan.
-#framebuffer_width=1280
-#framebuffer_height=720
-
-# uncomment if hdmi display is not detected and composite is being output
-#hdmi_force_hotplug=1
-
-# uncomment to force a specific HDMI mode (this will force VGA)
-#hdmi_group=1
-#hdmi_mode=1
-
-# uncomment to force a HDMI mode rather than DVI. This can make audio work in
-# DMT (computer monitor) modes
-#hdmi_drive=2
-
-# uncomment to increase signal to HDMI, if you have interference, blanking, or
-# no display
-#config_hdmi_boost=4
-
-# uncomment for composite PAL
-#sdtv_mode=2
-
-#uncomment to overclock the arm. 700 MHz is the default.
-#arm_freq=800
-
-# Uncomment some or all of these to enable the optional hardware interfaces
-#dtparam=i2c_arm=on
-#dtparam=i2s=on
-#dtparam=spi=on
-
-# Uncomment this to enable the lirc-rpi module
-#dtoverlay=lirc-rpi
-
-# Additional overlays and parameters are documented /boot/overlays/README
-
-# Enable audio (loads snd_bcm2835)
-dtparam=audio=on
-hdmi_force_hotplug=1
-dtparam=i2c_arm=on
-dtparam=spi=on
-enable_uart=1
-dtoverlay=mhs32:rotate=270
-hdmi_group=2
-hdmi_mode=1
-hdmi_mode=87
-hdmi_cvt 480 320 60 6 0 0 0
-hdmi_drive=2