No response to power-on, the chassis panel indicator light is off, the power supply fan is not rotating, the power supply is not connected, and the power supply, power plug and power cord are checked.
The switch power supply of the industrial computer is damaged and replaced
The chassis panel indicator light is on, the power supply of the power supply fan to the monitor or the monitor signal line is in poor contact or damaged. Check and handle (some monitors do not light up when the host has no signal, so be careful not to misjudge)
If the speaker has a self-test alarm sound, it can be dealt with according to the situation, please refer to the BoS self-test fault information table for processing
If the speaker has no self-test alarm sound, use the troubleshooting method to find out the cause of the fault and check whether the speaker connection is normal. If there is no problem, turn off the power supply, keep the power cable, power switch cable, speaker cable, remove the hard disk, floppy drive, AD board, graphics card (If it is not integrated), Reset line (so that the key is stuck, the motherboard will always be reset, and the computer will not be able to start), only the memory, CPU and fan are reserved on the motherboard, and check whether the speaker sounds after the power is turned on.
Can a USB hard disk or a U disk be used as a boot disk?
It depends on the support of the motherboard. Most new motherboards (P4, P3) can support it, and some old motherboards may not support it.
Can a 2.5" small hard drive be installed on a motherboard with an ordinary hard drive interface?
Yes, but you need to make your own lines. There is no standard cable.
Can the motherboard with 2.5" hard disk interface be used with ordinary hard disks?
Can
Are serial cables from various manufacturers interchangeable?
It depends on whether the definition of the serial port of the motherboard is consistent, if it is consistent, it can be interchanged
Can a mouse be directly connected to the keyboard port on the motherboard?
can not
Can the current ATX case realize the function of AT?
Yes, but there must be an AT switch on this wide chassis. And need to solder wire to the switch
Can a P4 motherboard be implemented with an AT power supply?
Yes, but the power supply needs to be modified: first, the power supply on the motherboard should be set to AT mode, and the 4-core 12V power supply connector should be added.
Can the industrial computer with ATX power supply realize "self-starting of incoming calls"?
This has something to do with the motherboard, if the motherboard supports it, you can.
A certain PCI card of the industrial computer model cannot be used?
Check whether the gold finger of the PQ1 card is unclean, if it is unclean, use an eraser to remove it.
All PC cards in the industrial computer cannot be used?
Use an eraser to wipe the motherboard's PCI gold fingers, or replace the backplane slot.
