After the preceding operation, mBlock 5 is supported to identify the serial port of your device. The system instructs you to restart the computer once again after you click to allow the installation of CH340. Allow the CH340 driver after the restart. Close such software as 360 security or computer housekeeper, and reinstall mBlock 5 again. If you can see the driver but mBlock 5 still fails to identify the serial port, the identification program of mBlock 5 may be blocked by the security software. If you can see the CH340 driver on Device Manager, mBlock 5 is supported to identity the serial port properly. Open Device Manager and check whether the CH340 driver is installed. The system may instruct you to restart your computer during installation. (Ensure that the USB interface of the computer works properly). Ensure that you have used a USB cable to connect your device to the computer and turned on the device. What can I do?Ĭause: The serial port driver is not successfully installed.ġ. mBlock 5 cannot identify the serial port after a device is connected to the computer. The information COM3 included in the parentheses is the serial port.Ģ. Check the serial port of USB-SERIAL CH340. (2) Choose Device Manager in the window that appears. (1) Right-click My Computer (or Computer) and choose Manage. We can view the serial port in the device manager by performing the following steps:

On Windows, when a hardware device is inserted into the computer, th system automatically identify the device and include it in the device manager. How to check the serial port of a device on Windows? A message is displayed indicating that the pre-installation fails when I install the driver. The Windows Device Manager does not show the Port (Other device) option. After installing the CH340 driver on Windows 7 (not activated), I cannot see the corresponding serial port on Device Manager. The Windows 7 system displays a message indicating that the driver is installed, but the driver is shown with an exclamation mark on Device Manager and the serial port cannot be connected. Import an Extension File into the Extension Builderīlock Event Handler (Live Mode Configuration)Įxtension Event Handler (Common Code Configuration)Īdd a Third-party Library for an Arduino ExtensionĬreate an Extension for HaloCode in Three Minutes

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