Fixing Burning Issues
What should I do if Error: Opening COMxx: Access denied is displayed when I start burning
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Symptom
Error: Opening COMxx: Access denied is displayed after clicking Burn and selecting a serial port.
Figure 1 Failed to open the serial port
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Possible Causes
The serial port is in use.
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Solution
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Search for the terminal using serial-xx from the drop-down list in the TERMINAL panel.
Figure 2 Checking whether the serial port is in use
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Click the dustbin icon as shown below to disable the terminal using the serial port.
Figure 3 Disabling the terminal using the serial port
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Click Burn, select the serial port, and start burning images again.
Figure 4 Restarting the burning task
What should I do when Windows-based PC failed to be connected to the board?
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Symptom
The file image cannot be obtained after clicking Burn and selecting a serial port.
Figure 5 Failed to obtain the file image due to network disconnection
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Possible Causes
The board is disconnected from the Windows-based PC.
Windows Firewall does not allow Visual Studio Code to access the network.
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Solution
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Check whether the network cable is properly connected.
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Click Windows Firewall.
Figure 6 Network and firewall settings
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Click Firewall & network protection, and on the displayed page, click Allow an app through the firewall.
Figure 7 Firewall & network protection
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Select Visual Studio Code.
Figure 8 Selecting Visual Studio Code
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Select the Private and Public network access rights for Visual Studio Code.
Figure 9 Allowing Visual Studio Code to access the network
What should I do when the image failed to be burnt?
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Symptom
The burning status is not displayed after clicking Burn and selecting a serial port.
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Possible Causes
The IDE is not restarted after the DevEco plug-in is installed.
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Solution
Restart the IDE.