# Running an Image


## Starting the System

After burning is completed, you must configure the bootloader to run the OpenHarmony system.

1. In the Hi3516D V300 task, click **Configure bootloader (Boot OS)** to configure the bootloader.
   > ![icon-note.gif](public_sys-resources/icon-note.gif) **NOTE**
   >
   > The bootloader configuration in DevEco Device Tool has been adapted to Hi3516D V300. Therefore, no manual modification is needed.
   
   ![bootloader](figures/bootloader.png)
   
2. When the message shown below is displayed, restart the development board. If "SUCCESS" is displayed, it indicates that the configuration is successful.

   ![reset_success](figures/reset_success.png)

3. Click **Monitor** on the taskbar to start the serial port tool.

   ![monitor](figures/monitor.png)

4. When the command output is displayed, press **Enter** until **OHOS \#** is displayed, indicating that the system is started successfully.

   ![reboot-success](figures/reboot-success.png)


## Running a Hello World Program

After the system is started, perform the following steps to run the Hello World program:

1. Go to the **bin** directory on the startup page.
   
   ```shell
   cd bin
   ```

2. Run the following command to run the **helloworld** program:
   
   ```shell
   ./helloworld
   ```

   If the message "Hello World!" is displayed, the program runs successfully.

   ![en-us_image_0000001360320977](figures/en-us_image_0000001360320977.png)


## Next

Congratulations! You have finished all steps! Proceed to develop samples to better familiarize yourself with OpenHarmony development:

- [Screen and Camera Control](../guide/device-camera-control-overview.md)

- [Visual Application Development](../guide/device-camera-visual-overview.md)