1. Turn on the computer and the computer does not respond
1. Check whether the connection of the industrial computer is correct and whether the power socket is electric;
2. Check the power supply of the industrial computer, whether the power supply fan can work normally after turning on, and whether the connection between the display and the host is correct;
3. If the power supply is normal, open the case cover to check whether the power cord is connected to the industrial computer baseplate or motherboard normally, whether the plugging between the baseplate and the motherboard is loose, whether the boot baseplate or motherboard is powered on, and whether the ATX power supply is wired incorrectly;
4. If the connection is normal, unplug the memory module and turn it on to see if it alarms;
5. If there is no alarm, please replace the CPU or motherboard.
2. After the industrial computer is powered on, the power supply is working normally, and the motherboard does not have any reflection
1. Remove the peripheral plug-in card and connected devices to see if it can be activated?
2. If you can't, you can remove the memory and see if it will call the police?
3. Check whether the CPU job is normal?
4. Replace the motherboard and check whether the motherboard is normal.
3. The power indicator on the bottom plate will be turned off after powering on, and it cannot be powered on
1. See if there are foreign objects such as screws in the chassis, resulting in a short circuit;
2. Observe whether the power cord is reversed, resulting in a short circuit to the ground;
3. Use the replacement method to replace the power supply, motherboard, bottom board and other equipment for further testing.
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