The burning status is not displayed after clicking **Burn** and selecting a serial port.
The image failed to be burnt over a serial port.
-**Possible Causes**
The IDE is not restarted after the DevEco plug-in is installed.
The DevEco Device Tool plug-in is not restarted after being installed.
-**Solution**
Restart the IDE.
Restart DevEco Device Tool.
### No Command Output Is Displayed
-**Symptom**
The serial port shows that the connection has been established. After the board is restarted, nothing is displayed when you press **Enter**.
The serial port shows that the connection has been established. After the board is restarted, nothing is displayed when I press **Enter**.
-**Possible Cause 1**
The serial port is connected incorrectly.
The serial port is connected incorrectly.
-**Solution**
Change the serial port number.
Start **Device Manager** to check whether the serial port connected to the board is the same as that connected to the terminal device. If the serial ports are different, perform step 1 in the **Running an Image** section to change the serial port number.
Change the serial port number.
Start **Device Manager** to check whether the serial port connected to the board is the same as that connected to the terminal device. If the serial ports are different, perform step 1 in the **Running an Image** section to change the serial port number.
-**Possible Cause 2**
The U-Boot of the board is damaged.
The U-Boot of the board is damaged.
-**Solution**
Burn the U-Boot.
If the fault persists after you perform the preceding operations, the U-Boot of the board may be damaged. You can burn the U-Boot by performing the following steps:
Burn the U-Boot.
If the fault persists after you perform the preceding operations, the U-Boot of the board may be damaged. In this case, burn the U-Boot by performing the following steps:
2. Burn the U-Boot file by following the procedures for burning a U-Boot file over USB.
Select the U-Boot files of the corresponding development board for burning by referring to [Burning to Hi3516D V300](../quick-start/quickstart-ide-lite-steps-hi3516-burn.md).
2. Burn the U-Boot file by following the procedures for burning a U-Boot file over USB.
Select the U-Boot files of the corresponding development board for burning by referring to [Burning to Hi3516D V300](../quick-start/quickstart-ide-lite-steps-hi3516-burn.md).
3. Log in to the serial port after the burning is complete.
3. Log in to the serial port after the burning is complete.
**Figure 5** Information displayed through the serial port after the U-Boot file is burnt
**Figure 5** Information displayed through the serial port after the U-Boot file is burnt