The touch screen is out of order, and it often doesn t reflect when touched.

If the touch screen of your Samsung phone is not sensitive and malfunctioning, it is recommended:

1.Check if the phone has a film, if there is a suggestion to cancel the screen film and try it.

2.If the touch screen of the mobile phone is completely malfunctioning, it is recommended that you restart the machine and observe it again.

3.Try to update the system version of your phone (Note: Please back up the data in your device before upgrading).

4.If it doesn't work, back up the data in your device (contacts, text messages, **, etc.) and try to restore factory settings.

If the problem persists after the above operation, it is recommended that you bring the machine, purchase invoice, and repair card to the local after-sales service center for testing.

Touchscreen analysis: Touch is unresponsive.

Phenomenon: When touching the screen, the mouse arrow does not move, and the position does not change.

Causes: There are many reasons for this phenomenon, which are explained one by one below

The dust or scale accumulated on the sound wave reflection stripes on the four periphery of the surface acoustic touch screen is very serious, causing the touch screen to not work; The touch screen is malfunctioning; The touch screen control card is faulty; The touch screen signal line is faulty; The serial port of the computer host is faulty; The computer's operating system malfunctions; Touchscreen driver installation error.

Solution: Observe the touch screen signal indicator, which flashes regularly under normal conditions, about once per second, when touching the screen, the signal light is always on, and after stopping the touch, the signal light flashes again. If the signal light is still on when it is not touched, first check whether the touch screen needs to be cleaned; Secondly, check whether the serial slogan connected by the hardware is consistent with the serial slogan set by the software, and whether the serial port of the computer host works normally.

Run the comdump command in the drive disk, the command is a dos command, add a space and the serial port code 1 or 2 after the comdump when running, and touch the screen to see if there is any data rolled out. If data is rolled out, the hardware connection is normal, check whether the software settings are correct and whether there are conflicts with other hardware devices. If there is no data rollover, the hardware will fail, and the specific fault point is to be determined.

Run the sawdump command in the drive disk, the command is a dos command, when running the program, the program will ask for the type of controller card, the port number of the connection, and the transmission rate, and then the program will read the relevant data from the controller card. Please note that if the value of the X-axis and the Agc of the Y-axis in the lower left corner of the screen are 255, the transducer of that axis will fail and need to be repaired. When performing the first correction after installing the driver, pay attention to the details of the system error.

No control card found"、"The touch screen is not connected"and check the corresponding parts according to the prompts. For example, whether the touch screen signal cable is firmly connected with the control card, whether the keyboard cable is all connected to the host, etc.

If it still can't be ruled out, ask a professional to repair it.

Hello. I'm glad to be able to answer this question for you. If your phone's screen is showing fine but the touch is not responding, it could be one of the following reasons:

Software Asks: This can be caused by an application crash or an operating system malfunction. You can try restarting your phone or doing a software update to fix this issue.

Touchscreen failures are also prone to occur: if your phone has been damaged or worn, the touch screen may malfunction. Pure play This may require the touch screen to be replaced.

Oxidation or dirt: If there is dirt or oxide on the top of the phone's touch screen, it may cause the touch to malfunction. You can use a clean cloth or paper towel to gently wipe the screen.

Hardware failure: If your phone's screen isn't damaged or worn, it could be caused by a hardware failure. This may require the replacement of the touch screen or other parts.

I hope mine can help you. And I wish you a happy life.

If you are using a Huawei phone and the touch screen is out of order, you can troubleshoot it by following the following steps:

1.If your phone's screen is dirty or has water stains, it may affect the screen touch sensitivity. It is recommended that you try it after wiping your screen clean.

2.If the screen has a film, it may be due to the protective film being too thick, which affects the touch sensitivity of the screen. We recommend that you replace a thinner third-party protective film or go to the Huawei Customer Service Center to replace the official protective film.

3.If your device is in normal use, if you suddenly have no response or freeze when clicking on part or the entire screen, please press the power button and volume up button at the same time to start the screen recording function, and then click the screen operation, if there is a white point on the screen moving with your fingers, it means that the touch screen is working normally.

4.If the Luyan screen does not respond, please press and hold the "power button" for more than 10s to force the device to restart, so the staring noise does not recur, and the phenomenon is not a touch screen problem.

If the above methods do not solve your problem, it may be a hardware problem with the display, and we recommend that you bring your phone, standard charger, data cable, and relevant purchase credentials to a Huawei customer service center near you.

Boarding service. Huawei Customer Service Center.

Repair spare parts** inquiry.