Android tablets have already replaced desktop PCs and TVs for many, becoming part of our daily lives. With Lenovo Tab you can re-read your favorite novel or call your friends wherever they are. Therefore, the unexpected shutdown of the device and lack of response to any of your actions comes as a shock. The owners of these devices immediately run to the service center and pay for imaginary services that actually take no more than an hour of work.
But what then should you do if the tablet goes down, and is it possible to revive it without aggravating the problem? And why did Android turn off even though the battery was not dead?
Diagnostics
Have you noticed that your tablet won't turn on or charge? Preliminary disassembly of the device, looking for a broken part or fallen wiring, is not the best solution. It is much more effective to conduct an initial diagnosis and find out the reasons why the accessory does not turn on or charge.
The problem is that why the device turns off on its own is not so easy to figure out, because even flagship models only need a couple of months of operation to start freezing. And now the gadget just turns off and doesn’t turn on, and doesn’t respond to charging. What to do if this happens?
Have you spilled water on your tablet or dropped it, but your Android just turned off and won’t turn on and doesn’t respond to charging? The problem most likely lies in the software.
The reason that the tablet switches off and, at best, the logo lights up at startup, and then the device suddenly turns off, could be an OS update.
If it does not turn on at all, then it is worth checking the serviceability of the battery and charger. It is possible that the device simply suddenly discharged. If it does not turn on, there may simply be no power. How to fix such a breakdown and what not to do?
Tablet electronics failure
Each gadget, including Lenovo tablets, is a small box containing the electronic components of the device. It can fail for many non-mechanical reasons: a power surge, high humidity, or even a manufacturing defect. Most of these defects are covered under warranty.
But sometimes even problems with electronics can be solved at home. Many people ask the question: if the Lenovo tablet does not turn on, what to do? For example, when did the gadget fall into the water? If you do not react quickly, the electronic “stuffing” of the tablet will not be restored.
When the device gets into water, you must:
- Quickly place the tablet on a soft cloth.
- If possible, remove the battery.
- Dry the gadget with a hairdryer.
If the tablet has a non-removable battery, then you need to place the gadget in a bag of rice for several hours. After this, check the functionality of Lenovo. If the tablet still does not start, you will have to contact a service center.
Problems with the power supply
If the tablet charges but does not turn on, the OS is to blame. But if the gadget refuses to even charge, what is the reason for the breakdown? Here, the Lenovo Yoga Tablet may have problems with the power supply, which can easily fail if used incorrectly.
Your tablet won't turn on? Remember the last time it was charging and whether the indicator was on then. After that, take the power supply and test it on other accessories. Gadgets not responding at all? This means that the main reason that the tablet does not start is a faulty power supply.
And if the devices are charging smoothly, but the Lenovo device still does not start, then it is worth checking two other possible breakdowns - the battery and the power connector. A device with such symptoms does not start due to a dead and completely discharged battery.
The guess is checked in the same way as with the power supply - just move the battery to another device, and then connect the device to the network. If the battery starts to charge, the tablet does not work due to a broken connector. I ignored all your actions and the other gadget did not start - the battery needs to be changed.
It’s important to know how to prevent such problems from occurring.
If you want to be prepared for such problems and get out of a difficult situation without losses, we advise you to do the following things:
- Enable data synchronization in all accounts you trust: first of all, Google. Activate backup photo uploads to Google+ or Facebook. By default, photos are saved in hidden albums that are accessible only to you. If something goes wrong with your device, you can restore all your data after restoring it (or buying a new one). Make backup copies of applications regularly, preferably to a memory card or even to cloud storage. We recommend the Titanium Backup application, which can save not only the applications themselves, but also their settings and data, and also send copies of them to the Dropbox server. Moreover, we advise you to buy a licensed copy of this application: in case of problems, it will pay for itself. Don't clog up your tablet's memory. Try to install only the applications and games you need most, and if possible, install them on a memory card. When choosing a card, pay attention to at least class 10, and preferably UHS-I. Only such cards will provide you with decent operating speed. We categorically do not recommend saving on small things and buying class 4 cards. Protect the device from physical damage. The advice is no longer new, but never superfluous.
Hardware failures
Not only an unexpected system update causes the tablet to turn off, but also various hardware failures. This could be either a manufacturing defect or the consequences of improper use of the tablet.
Excessive humidity or low temperatures can cause condensation to corrode the board. Extreme temperatures also cause battery degradation. Therefore, you should not immediately complain about the update if the accessory is switched off. This may be a consequence of improper use. Hardware failures are much more serious than a software failure, so you shouldn’t fix them yourself.
When disassembling the gadget, you can additionally damage several tracks and only aggravate the situation. Not to mention, when cleaning a board from rust, never pour alcohol into it. The permissible maximum is to wipe the damaged area with soaked cotton wool, after which remove the remaining dangerous solution with a regular damp cloth.
And if you have something more serious than rust on parts and an incorrectly installed update, you should contact professionals at the service center.
Why won't Lenovo Yoga Tablet 8 16GB 3G (59-388098) turn on?
There are many reasons why a device may not function properly; problems often arise during everyday use. According to technicians and representatives of device manufacturers, startup failures may be associated with the following events:
- after updating the operating system, some system files were installed with errors;
- the device stopped loading due to viruses that came with applications installed not from the Play Market;
- after falling on a hard surface, the display or battery cable is disconnected;
- The USB connector is clogged or small but harmful rust stains have appeared on the contacts due to moisture.
It’s worth noting right away: coping with mechanical damage on your own is not easy. During home repairs, you can inadvertently break any connections, thereby making your smartphone beyond repair. If the methods proposed below do not give a positive result, then it is recommended to contact a trusted service center for diagnosis and repair.
OS errors
Most often, accessories turn into “bricks” due to errors in the OS. The reason for this is an update or incorrect installation of pirated firmware by the user, after which the Lenovo tablet stopped starting.
This is a common problem and it’s quite easy to fix; the main thing is not to panic and not to use methods that are dangerous to the device when disassembling. Do not close any contacts and preferably do not touch the inside of the device at all. This will void the warranty until you find out the cause of the problem.
We reset the system
If you didn’t reflash anything, and the harbinger that the Lenovo tablet turned off and the screen went dark was an ill-fated update, then the only solution is to reset the system. You need to use factory or user backups to remove all manipulations with the OS. This will also delete all information with media files stored on the device. However, the SD card will not be affected.
You need to hold down the Volume Down and Power buttons so you can launch Recovery. This is an application built into the board's memory. It shows all the basic information about the accessory and allows you to perform basic manipulations with the device’s memory.
There, find the file management button and “factory reset”, after which a reboot will occur. Within a minute, you will again have a fully working device at your disposal without any hint of a previous breakdown.
If Recovery does not start, try repeating the steps described above after the gadget is completely discharged. To do this, leave it for several days so that the residual battery charge evaporates, and then connect it to power again for 10-20 minutes.
Have you done everything according to the instructions, but the tablet does not start or constantly reboots? Then a simple system rollback will no longer help the device and you will need to completely reflash the accessory.
Possible reasons
There are two main reasons why the tablet stopped turning on:
- Hardware problem;
- Software problem.
In the first case, the device may not boot due to some mechanical damage. It is very easy to determine this - as a rule, such damage is noticeable visually. You might not even notice how you hit the gadget against something, even if only slightly. But in the end it doesn't work because of this.
It also cannot be ruled out that some internal part of the tablet, which is extremely important for turning it on, has failed. This could be, for example, a battery. Such a breakdown will not be catastrophic, because replacing a failed part is easy and requires a minimum of time.
Software problems are a little more difficult to diagnose. If the tablet does not turn on because of them, then the problem is some kind of virus or a malfunction of the software platform. You can determine what exactly is preventing the tablet from starting up experimentally, but practice shows that it is better to entrust this matter to a specialist.
Hardware failures
If the tablet does not turn on due to a hardware failure, then the first thing you need to do is hold down the power buttons for 10-15 seconds. If nothing happens and the power indicator is not lit, then remove the battery from the device, and after a while, insert it back and try to turn on the tablet again. Perhaps some contact has simply come loose, and by doing these manipulations you will solve the problem.
It is likely that the tablet will not boot due to a low battery. Many users sound the alarm when they see a tablet that is not working, but simply forget that the battery is completely drained. Of course, in this case, the gadget will not boot until you put the tablet on charge.
If a tablet computer that is put on charge still does not turn on, then most likely the problem is either in the charger, or in the connector of the tablet to which it is connected, or simply the battery has failed. It's also worth checking if the power button works.
Often the tablet does not turn on due to problems with the screen matrix. You are unlikely to be able to do anything to correct the situation at home, so immediately take it to a service center. I can say the same about cases when the system does not start after the gadget falls or hits something.
If you bought a mobile device at a licensed point of sale, and a problem with its operation began within a year after purchase, then you won’t even have to spend money on repairs, since this situation is covered by the seller’s warranty.
Software failures
Diagnosing software failures is more difficult, but in most cases it is not difficult to fix. To understand that the problem is in the software platform, look to see if the LED indicator lights up at startup. If it is on, but the download does not proceed, then the problem is most likely a software glitch.
Another obvious sign of a software malfunction is a tablet computer that starts up but constantly freezes. In this case, it is recommended to put the device into safe mode and not delay a visit to the service center.
There are many options as to which part of the software has failed. But it’s more important for us to know how to turn on the tablet, and not what exactly happened to it. There is one sure way to fix the situation by performing a flashing or a full reset to factory settings. We recommend starting with a reset, also called Hard Reset.
Flashing
If during the installation of the firmware the screen goes out and the tablet switches off (shows no signs of life and does not respond to button presses), but the battery is not discharged and is full of energy, we will prepare for the worst.
When installing a pirated OS, you could have made a fatal mistake, which led to the complete erasure of the previous system and the incorrect functioning of the new one. The accessory itself is fine and the hardware functions, but without the necessary program - it simply does not understand what to do when you press the start button. Correcting such an oversight is also quite simple.
After complete discharge, connect the device to the PC and wait until it is somehow recognized by the system. The computer will not want to perceive the device correctly, because it does not have a digital signature. But if he is at least somehow recognized, that will already be enough.
Download the firmware reinstallation application for Android and the latest OS version from the official website. Select the system for your specific device if you don’t want the screen to go dark again. Wait a couple of minutes to half an hour for the firmware to install, then start the device.
