Unlike their progenitors, modern smartphones are controlled by a touchscreen and several auxiliary buttons. Therefore, it is difficult to imagine a situation worse than the one when the screen on the phone does not work.
This is manifested in its complete inoperability, the loss of some important functions or accidental sensor operation. It is especially unpleasant when the black screen of the phone catches the user at the most inopportune time.
There are several reasons why the phone has a black screen:
- the apparatus fell;
- the microcircuit is out of order;
- the connecting train flew out;
- moisture has entered the device.
It is almost impossible to understand right away why the phone screen does not work. The only exceptions are obvious damage resulting in cracks or deformation of the case on the display. But first things first.
The phone fell
To disable the display, just one fall of the gadget from a small height is enough. The greatest risk is a collision with asphalt or rocky soil when the impact hits a specific part of the safety glass.
If, after this, the display no longer works for the user, the glass could crack on the device, resulting in damage to the touchscreen along with the display, or a loop could jump out. It would be reasonable to refer the gadget to a specialist for diagnostics, be sure to note that you dropped it.
Broken screen control chip
Another extremely common phenomenon is the failure of the graphics chip. The display stops receiving information from the device and no longer displays images. It is extremely difficult to identify this problem at home. In this case, all components must be completely replaced. This operation will fail if the device is smashed to smithereens.
Loop worn or disconnected
Compared to most hardware components, the ribbon cable can be replaced without additional re-soldering of the device board. Usually, the solution to such a problem takes several hours, even when the cable is completely broken.
It is possible that the display no longer lights up, not because of a broken cable, but because it was disconnected from the main board as a result of a strong shock. Repair work will take only a few minutes, the cost will vary depending on the complexity of the gadget's internal structure.
Moisture and liquid penetration into the phone case
One of the worst options for why the screen does not burn can be the contact of the hardware with moisture. Whether it be steam or a few drops of liquid, they can provoke destruction of the board contacts, arrange short circuits or manifest themselves from a specific side when the sensor does not respond to your touches or divide the image into several zones.
The solution to this problem will depend on the amount of oxide formed. Delaying the repair, thorough cleaning may not be enough and you will have to resort to replacing damaged modules.
Elimination of oxide
Fight oxide, perhaps on your own. Immediately after moisture gets into the gadget, it is recommended to completely disassemble the device and check it for the formation of electromechanical corrosion. The affected area is treated with 96% medical alcohol, for the best effect, use a toothbrush soaked in alcohol, dry the board.
It is worth warning right away that such a personal intervention can only aggravate the condition of the smartphone. It is better to give the device to the masters, where it will be treated with a water-repellent solution and a high-quality washing with an ultrasonic bath will be provided. It is dried in an oven at a certain temperature. It is often impossible to say for sure whether the device will be saved due to extensive damage to the hardware of the board.
Benefits of specialized service centers
An obvious advantage is the complete diagnostics of the device with the subsequent replacement of the failed parts. In contrast to carrying out these manipulations at home, the risk that the master touches an important knot inadvertently is minimized.
Additionally, you will receive a warranty for the entire device, and not for a separate part that needs to be replaced. Only original spare parts are used as replacement parts, not using low quality Chinese counterparts.
Rather than trying to fix the problem yourself, it is better to immediately contact the wizards who have experience in restoring mobile devices and the necessary tools for this. This is especially true for those who need urgent screen replacement.
Conclusion
The display of a mobile device is very fragile and can be damaged not only by a strong impact, but also due to moisture entering it. It becomes almost impossible to save your device without using special tools, and in the overwhelming majority of cases, the intervention of an inexperienced user leads to complete damage to the hardware board or individual modules.
Video
Good day, dear reader!
Today I will tell you a story from my life. This is not just a story, this is some kind of practical advice. It is not for nothing that this article is placed under the heading "Everyday matters."
I have several phones. Yesterday on one of them the touchscreen (or touch screen) "died" - a touch screen that completely replaces the physical keyboard.
As usual, he partially "died", but this was enough to completely paralyze all the work.
Light spot
Sensitivity disappeared on the narrow strip on the right. The phone was turned off at night, and in the morning I tried to turn it on. This procedure is accompanied by a password. And I need this narrow strip on the right, since I'm using the number located there.
As a result, I could not even turn on the phone. As usual, calls began to service centers and replies: "Leave your phone number - we will call you back, as we check if we have such a touchscreen or not." As a rule, everyone promised to call "today or tomorrow." What should I do right now?
In general, there was only one bright spot in this whole story - the Internet. Why light? Because 99% of your questions you will always find answers on the Internet! I found the answer too.
Which one? I'll tell you now.
Where to get it
If the touchscreen is “covered with a copper basin” on your phone, you will need a piezoelectric element to “resurrect” it. Where can I get it? Of course, in a piezo lighter. But I don't have a piezo lighter at home: with a handle, on a wire or a battery - there is none.
But there is a piezoelectric element. It is installed on the hob of my gas stove. By turning the knob of the burner, I turn on the gas. At the same time, I push the handle down and turn on the piezoelectric element. This is how I light the burner.
In general, I need a piezoelectric element, but no gas is needed. I turned off the gas tap. Turned off my phone. I brought it to the piezoelectric element with the screen: the place where my touchscreen "died". I switched on the piezoelectric element and moved the screen for a few seconds so that the spark covered the “dead” area of \u200b\u200bthe touchscreen.
After that, I turned on the phone, and - lo and behold! - the touchscreen is working! He really recovered! He became fully operational!
The effect lasts ...
Various sources on the Internet report that the effect of such resuscitation lasts from several days to one month. Today is my second day when the touchscreen “came to its senses” - everything works perfectly.
Of course, it is imperative to replace the touchscreen, but reanimation from a piezoelectric element as a momentary method is just great!
If my solution helps you, I will be only glad! Have you had a sudden "death" of the touchscreen at the most inopportune time? How did you solve this problem?
Devices with touch screens are functional and convenient, but their reliability is questionable. Various problems often arise with their use. Given the fact that mechanical control buttons on modern devices have become a rarity, it is not uncommon for the user to completely lose control of the device.
Problems do not arise out of the blue, usually this happens after the smartphone is dropped or moisture gets inside it. What if the sensor doesn't work?
Why did the touchscreen fail?
There are various reasons leading to device breakdown:
Dirty display.
If your screen gets dirty for some reason, then a drop in sensor sensitivity will be quite natural. To deal with such a problem, it is enough to carefully wipe the screen with a special napkin.
Loop damage.
The element that connects the board and the touchscreen could jump out of the connector or get damaged. The problem will be solved if you open the device and carefully insert the ribbon cable into place. If there is no visible damage, try taking it to a service.
Moisture has entered the phone.
If water gets into the smartphone, oxidation occurs. In this situation, you can open it and gently clean the contacts with alcohol. If your actions did not lead to anything, bring the gadget to specialists.
Software glitch.
Sometimes there are problems with the firmware of the device, you have to reflash it. To do this, you need a cable and the software itself. Typically, this procedure is easy, just install the drivers and use the installation program.
How to change the touchscreen?
If the sensor no longer responds to your touches, and you checked the cable and firmware, it's time to use an effective method of replacing the touchscreen. It doesn't matter what exactly caused the breakdown, changing is quite simple.
Disassembly procedure follows first. Remember everything that you do, put the screws in some separate box so as not to lose them. Chances are high that you will have to work with latches in the process.
When the device can be disassembled entirely, remove the touchscreen. At this stage, it is important to pay attention to whether the monolithic screen or the touch panel in it is a separate element. If the module is one-piece, then it is easy to change it; in the case of a collapsible one, you will have to tinker a little.
If the matrix needs to be disconnected from the sensor, arm yourself with a regular hair dryer and warm up the display. Do this carefully to avoid overheating. Then we disconnect it using some thin object. Then we glue the new touchscreen to the display. To do this, use glue, sometimes it is already applied to the purchased part.
A touchscreen mobile phone has recently become one of the most popular phone models, because it is easy to use, and thanks to new technologies, it is possible to significantly increase the size of the screen without increasing the dimensions of the phone. A mobile phone with a touch screen requires careful and careful attitude, because any shock or damage can damage the sensor, as a result of which the phone will stop responding to touch.
If a part of the touch screen does not work, it is imperative to find out the cause of the breakdown. Very often, due to impacts and damage, cracks appear on the touchscreen, which can lead to the fact that some area of \u200b\u200bthe screen is out of order. In such a case, only replacing the phone's touchscreen can help solve the problem. You need to find out which part of the touchscreen is not working. The problem may also be in the telephone loop. When dropped or bumped, it can move away, thus, the screen contacts do not respond well to touch. This is the reason why the phone does not always respond to pressing.
If half of the touchscreen does not work, we can say that the touchscreen contacts, which are connected to the main board of the phone, have come off, and the signal is not transmitted correctly. That is why one half of the screen can adequately respond to touch, and the other half works only when the touchscreen is pressed hard enough. In this case, the phone must be carefully disassembled and looked at the touchscreen contacts. You need to do everything very carefully, since the device contains many small parts, having lost which you will have to go to a phone repair shop.
The touchscreen of the phone may not work due to the fact that some parts are out of order, but such cases are quite rare, since almost always the problem lies in the touchscreen of the phone itself. There are also cases when the phone's touch screen does not work after hypothermia. This happens especially often in winter. No need to panic, you just need to wait a little while the phone heats up. The screen will then work properly again.
Disassembling the phone is appropriate if dirt or moisture gets into the middle, this can also provoke the failure of certain parts of the screen. After everything is removed, you need to carefully reassemble the phone - the screen should work properly. In any case, be sure to consult with a specialist in this area.
Comments
The weight of 1 vertical swipe of applications does not work for me and I can never play and download games.
Here's a little about the touchscreen, it might help:
There was a 10mm horizontal strip. Just like I did in the video. I didn’t believe it would work, but kick # 8212 works. Thank you very much. By the way, a piezo lighter was enough. It is not clear, only, for how long?
The floor of the screen does not work, the reason is that it crashed thanks a lot, I just change the glass
What to do if one part of the tablet does not work
Occasionally part of the screen works
The tablet fell. Appeared cracked on the screen, now half of the screen does not work completely (((
the screen is not broken, a small horizontal bar in the center of the screen does not work
Here is vital, also namesake.
Found a solution to your problem?
Ahaha, two tesques with the same problem)))
After hitting the tablet, a crack appeared on the inner glass. The tablet turns on but the screen is black, only a crack glows. Please tell me the tablet is subject to repair. How can I save him?
No, you don't need to send your tablet or phone for repair if the screen leaks, because the glass will change and nothing will change, and it turns out that you only wasted your money.)
Unbroken phone does not work upper horizontal part on the sensor
The whole phone does not work the upper horizontal part on the sensor
The phone did not fall, the screen just stopped working, the shutter only opens and closes, the buttons rarely work, what can you do?
The screen in the middle does not work for me and it happens that it does not work in other places, it seems to move!
HALF OF THE SCREEN DOESN'T WORK WHAT TO DO HELP PLEASE
There is one small crack on the screen. One part works (upper) and the other does not. what to do??
Brataaaaaan the upper part of the sensor does not work
Why on the top of the phone (Vertex for 5 k (((() the top does not rob and the bottom, great!
the sensor was replaced, at the bottom the touch did not work, and it does not work now
i have a phone umi london, the top part is trashed, but part of the bottom does not work well, before the robot, so trashen
Hello help me asus zenfon 2 the problem is dulling the upper part of the screen does not work stably? Factory settings did not help, could the loop move away?
what is the name of the house to go back to the menu ?!
lENOVO S720 phone partially does not work with touchscreen. In places where # 8212 does not work, greenish spots. what is the reason?
tell me # 8230 I play on a tablet and often in 3d games, motion and skill control panels do not match the placement of buttons on the screen # 8230 how to solve the problem?
the bottom of the screen does not work, you have to turn the phone over every time. no cracks
Modern gadgets have become an integral part of our life. The phone is the most common gadget. Almost every person has it. Unfortunately, even the most reliable phones can break due to shock, water or software glitches. The most common problem faced by many mobile device users is that the sensor does not respond to touch. If the device is still under warranty, then you should immediately contact the service center. Otherwise, do not rush, because there are times when the problem can be easily and quickly eliminated. The sensor does not respond to touch, what should I do in this case? Let's look at all aspects of this problem.
Phone screen repair
Before solving the problem, you need to make sure what is the cause of your display breakdown. This can be mechanical damage, liquid getting inside the device, or a software failure. If you are sure that you did not drop your phone or spill liquid on it, then we can assume that this is a software glitch.
Mobile phone screen cleaning
First, you can simply clean the display of your device. You will not harm the phone in any way, but you will improve the connection and perhaps the problem will be solved. This method can help if the sensor is not responding to touch. What to do?
We take a suitable cloth and liquid to clean the screen. Better to use a lint-free or any other natural fabric. To clean the display, we need a glasses or monitor cleaner.
If this method did not help, then it is worth moving on to the next steps. Of course, they may not help either. Only a professional can establish the true cause of the breakdown, but he can not solve every problem.
A software glitch that caused the display to break
If the display of a mobile device reacts to your touches in places, then you can try to make a Hard Reset of the system, this is a complete reset. But it's worth remembering that this can only help if the sensor is buggy from time to time. After a factory reset, install applications that can clean up the system registry. This will fix errors caused by RAM. Recommended apps are WinFixer and Cleaner4. Unfortunately, the second utility is paid, but it has good functionality. The first program is for you if you are not sure about the reason why the display does not respond well to touch, and you are not going to spend money.
All actions should be performed without a memory card. It may contain viruses that cause system malfunctions. After resetting the settings and cleaning the registry, you need to put the SD card in place and check the device with an antivirus. Select full device scan and wait. But even after the actions taken, the sensor does not respond to touch. What to do? In this case, it is necessary to proceed to replacing the sensor, since the cause was not caused by a software failure.
Mobile phone display replacement
The sensor does not respond to touch - what should I do? If the previous methods did not help, then it is necessary to replace the damaged display. Most often, this should be done when the device has fallen, cracked or moisture has entered. In the latter case, you may not even notice how liquid got into the phone, as this can happen due to temperature changes. Thus, condensation that accumulates in a mobile device will interfere with the normal operation of the phone. At first, black spots may appear when working with the gadget, and later the sensor itself will stop responding to touches. In this case, you will need to change the screen.
Phone screen repair is not a very difficult process, the main thing is care and accuracy. Anyone can do this. The sensor does not respond to touch - what should I do? First you need to disassemble your device, but you should remember the sequence of actions so that in the future there are no problems with the assembly. All plugs and latches can be removed with a thin object. You will need to carefully remove all elements from the latches with this object.
After disassembling your smartphone, you need to remove the display. It is necessary to check how the display is attached to the matrix. This can be done in two ways: monolithic or separate. This is very important, because when ordering a new screen, this aspect must be specified.
The sensor can also be connected to the PCB in different ways. There is a contact method, while the sensor is simply disconnected, and wired. In the latter case, you should be very careful.
If you need to detach the matrix from the sensor, you must follow these recommendations:
- First warm up the surface to 60 degrees. This can be done with a regular hair dryer. It should be heated evenly so that the glass does not crack and the glue heats up.
- Next, you need to find a flat and thin object to easily disconnect the sensor from the matrix. To do this, simply pry off the edges and gently lift.
All that remains is to attach a new sensor. How to do it? The kit should include the sensor itself and the glue. First, we apply special glue, and then carefully attach the sensor.
New display cost
How much it costs Of course, the cost of the screen will differ for different smartphone models. On average, to change the display on phones with a diagonal of 4.5 or 5 inches, you will need to pay about 700 rubles.
If you don't want to disassemble the phone yourself, you can contact a specialist. The master will ask for about 2,000 rubles. Although this procedure is not very complicated and you can change the screen yourself. Only this will need to be approached carefully and carefully.
Touch buttons do not work
The lower touch buttons are directly related to the screen and in case of their failure, it is necessary to do all the actions that we have already considered. If the touch buttons do not work, you should first do a full reset. Next, clear the system registry and check your device for viruses. Unfortunately, if the actions taken do not help, then you will need to change the screen.
