1. There is no display after the industrial computer is powered on
1. When the industrial computer is turned on, there is a connected alarm sound and the display does not appear, which may be poor memory oxidation contact or memory failure, and the memory is reinserted or replaced after power failure. If after replacing the memory, there is still an alarm on the industrial computer when it is turned on, consider replacing the industrial motherboard.
2. There is no output when the industrial computer is turned on, first confirm whether the industrial computer is connected to an external acquisition card or motion control card, if there is, remove the external card and then power on the test.
3. There is no alarm sound when the industrial computer is turned on and the display is not displayed, you can first discharge the CMOS, and then boot the test, if there is still no display, it may be that the CPU is in poor contact, reinstall the CPU or replace the CPU after the power is off, and if there is still no display, consider replacing the industrial motherboard.
2. Maintenance after the industrial computer is powered on
The status of the industrial computer power-on maintenance is to power off immediately after powering on. First of all, judge whether the power supply is maintained, remove the power connector from the industrial motherboard, short the green wire and any black wire on the power supply 20PIN, if the electric fan is rolling normally, the power supply is not faulty.
1. The maintenance of the industrial motherboard may be due to a short circuit or fault in the industrial motherboard, such as screws or water ingress inside the industrial computer.
2. Power maintenance, there is damage inside the power supply.
3. When the industrial motherboard is connected to the aviation head, it is necessary to pay attention to the positive and negative poles that cannot be reversed.
3. The industrial computer appears after powering on
1. After the self-test, the industrial computer prompts that GRUB is at fault or the cursor is flashing in the upper left corner, which is mostly due to the damage of the main guide record of the industrial computer system, and the main guide record should be rebuilt.
2. During the blue screen of the industrial computer, first determine whether the form of the hard disk is correct, WIN XP is in the form of IDE, WIN 7 or above can be used in IDE or AHCI form, if the form is okay, then reinsert the memory or replace the memory, and consider reinstalling the system if the blue screen is also blue.
3. After the industrial computer is powered on, it is directly into the BIOS, generally the hard disk is not found, you can check whether the hard disk is loose first, and there is no loose replaceable SATA cable and hard disk.
4. After the industrial computer enters the system, the USB interface cannot be used, reinstall the USB driver, and reinstall the system in other conditions.
5. The industrial computer keeps restarting after powering on, you can initialize the BIOS before testing, and if it can't be solved, consider replacing the memory and industrial motherboard.
6. If the industrial computer starts normally but the hard disk is reported an error or the hard disk is lost, you can change the hard disk form in the BIOS.
7. After the industrial computer enters the system, there are spots on the display, and the graphics card can be disabled for checking, if there is no after disabling, replace the CPU and test again.
8. If you find that the time is not right after the industrial computer enters the system, you can adjust the time first, then turn off the 220V power supply after shutting down, and then turn on the power after pausing for 2 minutes. If you can't save the moment, first use a multimeter to test the power of the button battery, whether there is a power supply of about 3V, and replace the battery if the power is insufficient. If the battery level is normal, but it still cannot be saved at all times, the industrial motherboard circuit may be abnormal.
9. If the IPC has a blue screen, reboot or crash during use, first check the heat dissipation status of the IPC (whether there is any abnormality in the CPU fan and chassis fan), and eliminate the similar situation caused by system and software problems.
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