What should I do if the cash register is not turned on?


After the cash register presses the power button, the display does not display anything. It is really annoying to encounter such problems. What is the reason why the cash register is not turned on? Today, Xiaobian summarizes several reasons for this failure.

(a) VGA cable

The VGA cable is a connection cable for the display screen of our cash register host. How to detect whether it is caused by VGA cable? In fact, it is very simple, we can take a normal VGA cable for testing, generally the desktop computer will have this VGA cable. If the cash register can be used normally after changing the VGA cable, then it can be determined that it is a problem with the cable.

(two) display

If the display of the POS cash register is sloppy, the desktop system will not be displayed. It is also possible that the drive board of the display is burnt out. Xiaobian recommends that you do not check the POS cash register when you disassemble it. It is best to send it back to the manufacturer of the recycling machine.

(three) graphics card

Failure of the cash register's graphics card will also cause the boot to not be displayed. The reason is that the graphics card's memory is short-circuited, and the performance of the main chip is degraded.

(four) memory, graphics card oxidation

If the memory and graphics card of the cash register are oxidized, resulting in poor contact between the memory and the memory slot, and poor contact between the graphics card and the graphics card slot, the cash register will not be displayed after being turned on. The method of processing, first shut down, put the memory and graphics card off the motherboard, and then use an eraser to align the golden finger (that is, where there is copper) to wipe a few times, blow the ash, plug it back into the slot and turn it on.

(5) Motherboard

The motherboard failure of the cash register is also one of the reasons. The structure of the motherboard is very complicated, generally not a professional person, it is recommended not to dismantle it. Xiaobian suggested sending the recycling machine to the manufacturer for repair.

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