diff --git a/RaspberryPi&JetsonNano/python/lib/waveshare_epd/epd2in7.py b/RaspberryPi&JetsonNano/python/lib/waveshare_epd/epd2in7.py
index 2092f61..193e534 100644
--- a/RaspberryPi&JetsonNano/python/lib/waveshare_epd/epd2in7.py
+++ b/RaspberryPi&JetsonNano/python/lib/waveshare_epd/epd2in7.py
@@ -313,12 +313,14 @@ class EPD:
         self.reset()
         
         self.send_command(0x01) # POWER_SETTING
-        self.send_data(0x03) # VDS_EN, VDG_EN
-        # self.send_data(0x00) # VCOM_HV, VGHL_LV[1], VGHL_LV[0]
-        self.send_data(0x07) # VCOM_HV, VGHL_LV[1], VGHL_LV[0]
-        self.send_data(0x2b) # VDH
-        self.send_data(0x2b) # VDL
-        self.send_data(0x09) # VDHR
+        # self.send_data(0x03) # VDS_EN, VDG_EN
+        # # self.send_data(0x00) # VCOM_HV, VGHL_LV[1], VGHL_LV[0]
+        # self.send_data(0x07) # VCOM_HV, VGHL_LV[1], VGHL_LV[0]
+        # self.send_data(0x2b) # VDH
+        # self.send_data(0x2b) # VDL
+        # self.send_data(0x09) # VDHR
+        self.send_data([0x03, 0x07, 0x2b, 0x2b, 0x09])
+
         
         self.send_command(0x06) # BOOSTER_SOFT_START
         # self.send_data(0x07)