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→Start the Orange Pi development board
=== ''' Start the Orange Pi development board''' ===
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1)Insert the burned burnt image TF card into the TF card slot of the Orange Pi development board<br><br>2)The development board has a Micro HDMI interface, you can connect the development board to a TV or HDMI display through a Micro HDMI to HDMI cable<br><br>3)If you purchased a 13pin expansion board, you can plug the 13pin expansion board into the 13pin interface of the development board<br><br>4)Connect the USB mouse and keyboard to control the Orange PI development board<br><br>5) The development board has an Ethernet port, which can be plugged into a network cable for Internet access<br>3<br>6)Connect a high-quality power adapter with a 5V/2A (5V/3A is can also availablebe used) high-quality power adapterUSB Type C interface<brdiv style="border: 1px solid #000;padding: 2px;"><div style="border: 1px solid #000;padding: 5px;background-leftcolor:20px#ffffdc;"><span style="color:red;font-weight:700;">a.'''Remember not to plug in the 12V power adapter, if you plug in the 12V insert a power adapterwith a voltage output greater than 5V, it will burn out the development board<br>.b.Many unstable phenomena during system power-on and startup are basically caused by power supply problems, so a reliable power adapter is very important. If you find that it keeps restarting during the startup process, please replace the power supply or the Type C data cable and try again.'''</span></div>
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7)Then turn on the switch of the power adapter. If everything is normal, the HDMI display can see the startup screen of the system.<br>
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8)If you want to view the output information of the system through the debug serial port, please use the serial port cable to connect the development board to the computer. For the connection method of the serial port, please refer to the section on how to use the debugging serial port.<br>
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'''The first thing to note is that if the power is turned on without inserting the TF card that has already burned the system, the development board will not have any lights on, including the two LED lights and network port lights on the development board, So please don't judge the quality of the development board by this method.'''<br>
'''The Way to judge whether the system has started normally:'''<br>
'''1)If the HDMI display is connected, the judgment method is very simple. As long as the HDMI display normally displays the interface of the system, it means that the system has been started normally;'''<br>
'''2)If there is no HDMI display, you can connect the development board to the computer through the serial cable, and check the startup status of the system by debugging the log information output by the debug serial port. If the serial port output stops at the login interface of the terminal, it means that the system has been started normally;'''<br>
'''3)If there is no HDMI display and debug serial ports cable, you can judge the startup status of the system through the two LED lights on the development board. If the green LED light is on, the system has generally started normally. If it is powered on and wait for a period of time After that, only the red LED light is on, or the red and green LED lights are not on, indicating that the system has not started normally.'''<br>
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'''If the system fails to start or cannot enter the login interface normally, please check the following step first'''<br>
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'''1)Check whether the downloaded image is damaged, which can be judged by calculating the checksum attached to the image;'''<br>
'''2)If there is any problem in the process of burning the image to the TF card, you can re-burn the image and test it again;'''<br>
'''3)Make sure there is no problem with the power adapter and the power cord, you can try another one;'''<br>
'''4)Make sure that the TF card meets the requirements of the Orange Pi development board. If there is an extra TF card, you can try to change the TF card and then burn the image and test it again;'''<br>
'''5)If all of the above are OK, please save the output log of the debugging serial port during the system startup process (preferably in the form of txt text instead of taking pictures), and then report the problem to the customer service.'''
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=== '''How to use the debug serial port''' ===