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SHENZHEN GETECH TECHNOLOGY CO., LTD
successfully or not. Click to choose “My computer>Property>Device manager”.
If it shows the exclamation mark as picture below (8-2), then you need manually install the driver.
(Picture 8-2)
Download link for CH340:
https://www.geeetech.com/index.php?main_page=download&download_id=40
After the driver is installed, check the “Device manager” and see if it is same as the picture below
(8-3). If so, it means the driver is successfully installed.