How to solve the black screen failure of the cash register

Yesterday, Xiaobian said the cause of the failure of the cash register screen and how to deal with it. Today, we will talk about another common problem of the cash register - black screen.

Black screen is also a relatively common phenomenon. There are many reasons for failure. For example, Trojans, motherboards, graphics cards, and CPUs all have black screens that can cause cash registers. If you encounter a black screen on the cash register, we must first start from the display to determine whether the power is on because of the black screen caused by insufficient external power.

After checking the external problem, start with the software, the black screen caused by the Trojan. If the cash register unfortunately has a black screen Trojan, there are two ways to repair it. 1. Restore the Winlogon shell value to Explorer.exe by editing the registry; 2. Use security software to repair the system fault while thoroughly cleaning up the "black screen" Trojan.

Finally, the hardware is. If it is a black screen caused by hardware, what we can do is to check whether the heat is fixed first. Use a small fan to blow to the cash register first. If not, after the cash register machine, try to pull out the memory. After cleaning up, plug it back in. After booting, it will still be black screen. Then we can only send the recycling silver machine manufacturer for repair. It needs professional technicians to test and judge to determine which side is causing the black screen.

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