After the industrial computer is turned on, there is no repercussion, and the following methods can be used to distinguish the width and the key. After turning over the power switch of the IPC, check whether the indicator light on the panel of the IPC case is lit and whether you can hear the rolling sound of the fan in the case.
1. If the indicator light on the panel of the industrial computer case does not light up, and you do not hear the rolling sound of the fan, it means that the industrial computer is not connected to the power supply, and the power supply should be checked.
2. The indicator light on the panel of the industrial computer chassis is on, and you can also hear the rolling sound of the fan, check whether the power indicator of the display is on.
(1) If the power indicator of the monitor does not light up, check whether the power cord of the monitor is now connected, and turn on the power switch of the monitor. (It should be noted that the power indicator of some displays is not lit when the IPC does not announce the signal).
(2) The power indicator of the display is on, is there a text display on the screen? If there is no display on the graphics screen, first check whether the signal cable of the graphics card is connected to the industrial computer, and the signal cable is firmly connected to the interface of the graphics card, and admit that the speaker of the industrial computer case can make sound.
If the loudspeaker announces "Tick... "Two consecutive beeps are relatively short, and the alarm sound is repeated. Explain that the graphics card of the industrial computer is not plugged in properly, or the contact is poor. At this time, the power supply should be closed, the chassis should be turned over, the graphics card should be plugged in from the beginning, and the graphics card should be fixed. If it is still down and continues to announce the sound mentioned above, it may be that there is a problem with the graphics card, and it can be taken to another industrial computer for debugging, but it still does not work, and the graphics card needs to be replaced. If the loudspeaker announces "... Backbite... Tick...", the interval between each sound is longer, and the repeated announcement of this sound is because the industrial computer does not detect the memory module, insert the memory module from the beginning, and debug it on different memory slots. If that doesn't work, replace the memory module.
If you don't hear the horn, you need to check the connection and accessories of the industrial computer one by one. First of all, close the power supply of the industrial computer, then remove all the accessories plugged into the industrial motherboard, and then remove the hard disk data cable and the RESET connection cable on the chassis panel (the power switch cable and speaker cable are hidden), leaving only the CPU and memory on the industrial motherboard. If the RESET switch is stuck, causing the industrial motherboard to always be in a reset state, the IPC will not be able to boot. If the data cable of the hard disk is reversed, it will also cause the industrial computer to have no response. Then turn over the power supply of the MC and pay attention to whether the horn announces the sound.
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