diff --git a/main_tests/synch/clk_disable.sh b/main_tests/synch/clk_disable.sh
index 4880f51..203e140 100755
--- a/main_tests/synch/clk_disable.sh
+++ b/main_tests/synch/clk_disable.sh
@@ -50,6 +50,7 @@ clk_test_cmos()
     return $(( ret1 ))
 }
 
+sudo dtoverlay -r
 sudo dtoverlay $SCRIPT_DIR/rpi-ad9545-hmc7044.dtbo
 
 lsblk | grep "/media/analog/M2k"
diff --git a/main_tests/synch/misc_test.sh b/main_tests/synch/misc_test.sh
index 11146af..8f94829 100755
--- a/main_tests/synch/misc_test.sh
+++ b/main_tests/synch/misc_test.sh
@@ -17,7 +17,7 @@ run_test $TEST_ID "$SHORT_DESC" "$CMD"
 
 TEST_ID="03"
 SHORT_DESC="Test poweroff. Synchrona will be turned off now."
-CMD="sshpass -p analog ssh -q -t -oConnectTimeout=10 -oStrictHostKeyChecking=no -oUserKnownHostsFile=/dev/null -oCheckHostIP=no analog@analog \"sudo poweroff\" ;"
+CMD="sshpass -p analog ssh -q -t -oConnectTimeout=10 -oStrictHostKeyChecking=no -oUserKnownHostsFile=/dev/null -oCheckHostIP=no analog@192.168.2.1 \"sudo poweroff\" ;"
 CMD+="YES_no 'Device should be turned off. Check if fan is off, STAT2 is off and STAT1 has turned red'"
 run_test $TEST_ID "$SHORT_DESC" "$CMD"
 
diff --git a/main_tests/synch/rpi-ad9545-hmc7044-no-ad.dtbo b/main_tests/synch/rpi-ad9545-hmc7044-no-ad.dtbo
index cd3598d..3b9526a 100755
Binary files a/main_tests/synch/rpi-ad9545-hmc7044-no-ad.dtbo and b/main_tests/synch/rpi-ad9545-hmc7044-no-ad.dtbo differ
diff --git a/main_tests/synch/rpi-ad9545-hmc7044-vcxo2.dtbo b/main_tests/synch/rpi-ad9545-hmc7044-vcxo2.dtbo
index f993daf..7362bf8 100644
Binary files a/main_tests/synch/rpi-ad9545-hmc7044-vcxo2.dtbo and b/main_tests/synch/rpi-ad9545-hmc7044-vcxo2.dtbo differ
diff --git a/main_tests/synch/rpi-ad9545-hmc7044.dtbo b/main_tests/synch/rpi-ad9545-hmc7044.dtbo
old mode 100644
new mode 100755
index 1ea5e8e..1bef747
Binary files a/main_tests/synch/rpi-ad9545-hmc7044.dtbo and b/main_tests/synch/rpi-ad9545-hmc7044.dtbo differ
diff --git a/main_tests/synch/synch_test.sh b/main_tests/synch/synch_test.sh
index f72f283..c03b136 100755
--- a/main_tests/synch/synch_test.sh
+++ b/main_tests/synch/synch_test.sh
@@ -26,7 +26,8 @@ source $SCRIPT_DIR/test_i2c_temp.sh
 answer=$?
 proceed_if_ok $answer
 
-
+dtoverlay -r
+dtoverlay $SCRIPT_DIR/rpi-ad9545-hmc7044.dtbo
 sudo fru-dump -i $SCRIPT_DIR/pieeprom-new.bin -o $SCRIPT_DIR/pieeprom-new.bin -I 524016 -O 524016 -d now -s $BOARD_SERIAL
 rpi-eeprom-update -d -f $SCRIPT_DIR/pieeprom-new.bin
 
diff --git a/main_tests/synch/test_uart.expect b/main_tests/synch/test_uart.expect
index 118915d..7d88b56 100755
--- a/main_tests/synch/test_uart.expect
+++ b/main_tests/synch/test_uart.expect
@@ -8,6 +8,6 @@ send "\r"
 expect -re "root@analog:~# "
 send "cat /proc/device-tree/model | grep \"Raspberry Pi 4\"\r"
 expect {
-    "Binary file (standard input) matches" { exit 0 }
+    "grep: (standard input): binary file matches" { exit 0 }
 }
 exit 1
\ No newline at end of file
diff --git a/main_tests/synch/vcxo_test.sh b/main_tests/synch/vcxo_test.sh
index ee432ca..6eaed7b 100644
--- a/main_tests/synch/vcxo_test.sh
+++ b/main_tests/synch/vcxo_test.sh
@@ -7,10 +7,8 @@ source $SCRIPT_DIR/test_util.sh
 TEST_NAME="TEST_CLK_OUTPUTS"
 
 TEST_ID="01"
-SHORT_DESC="TEST OUTPUT CHANNEL 01 - P. Make sure cable is connected!"
+SHORT_DESC="TEST VCXO SWITCH"
 CMD="dtoverlay -r;"
-CMD+="echo 6 > /sys/class/gpio/export;"
-CMD+="echo 1 > /sys/class/gpio/gpio6/value;"
 CMD+="dtoverlay $SCRIPT_DIR/rpi-ad9545-hmc7044-vcxo2.dtbo;"
 CMD+="cat /sys/kernel/debug/iio/iio\:device0/status | grep \"PLL1 & PLL2 Locked\""
 run_test $TEST_ID "$SHORT_DESC" "$CMD"
\ No newline at end of file