Why won t my Lenovo K900 turn on after shutting down?

The reasons and solutions for Lenovo mobile phone not turning on after turning off are as follows:

1) You can try to deduct the battery first, then put it back on, reboot it, (if it is a built-in battery) press and hold the on/off button, after holding it for a few seconds, if the phone can vibrate, the screen will be stuck to the logo logo can not enter the system. It means that your phone is a system failure, and it is recommended to find the corresponding brand of flashing package on the official website of the phone, and flash it to solve it.

Here's how to flash your phone:

2) Remove the phone battery and install the SD card into the phone. Then install the battery. , press and hold Volume + and at the same time"If you don't press the "Volume-" Power Button, you will automatically enter the "Firmware Update" interface.

3) In this interface, the program will automatically install the original firmware ROM package. At this point, there is no need to operate the phone. When the phone is restarted, the ROM package upgrade is completed. At this point, the phone is back to its normal state.

2) If you press and hold the power button, it cannot vibrate. The screen is not lit, and the screen is still black, which means: There is a hardware failure in the three aspects of the battery and motherboard, and the screen, and it cannot be repaired by flashing, so it can only be sent to after-sales service for hardware repair.

Hello, it is recommended that you go to the nearest Lenovo mobile phone customer service center and the engineer will help you solve it; Provide you with a link to Lenovo mobile phone service outlets.

Sorry for the inconvenience! If your phone won't turn on, we recommend you:

1.Press and hold the power button for 10 seconds, and then press and hold for 3 seconds to try to turn it on;

2.Use the standard charger to charge for half an hour before trying;

3.If it is invalid, it is recommended to send it to the repair site for testing.

Officially authorized repair site inquiry.

The business hours of the maintenance site are usually from 9:00 to 18:00 from Monday to Sunday, and the stations will be slightly adjusted according to their own operations.

There is a problem with the motherboard, or it is overpowered.

We recommend trying the following:

1. It may be that the battery is not turned on due to the lack of power, and it will be retried after charging for half an hour.

2. Disassemble the back cover of the phone, remove the battery and restart it to see or wipe the metal contacts of the battery with alcohol before trying again.

3. Check whether the data cable is unusable.

4. If it can't be started but stays on the boot screen, you can restore the factory settings through Shuangqing.

5. If there is an abnormality caused by flashing the third-party firmware or damaging the system after rooting, you need to re-flash the system to restore the use of the system. (Professional operations need to be carried out by professionals).

1. Cause analysis:

1. The battery is damaged. 2. System failure. 3. Charger reasons or poor contact.

Second, the solution:

1. Try to change to another charger or data cable, or clean the charging port.

2. Boot into recover mode, select advancsd advanced mode, select wipe battery, and clear battery traces.

3. Restore the factory settings to see if it is the system reason.

4. If the battery is damaged, it can only be sent for repair and replacement.

Can the battery be turned on when it is removed, if it can't, the charger or the charger excuse is broken.

Is it that the battery is not very good, and then there are particularly power-hungry programs in the background?

Lenovo K900 mobile phone can't be charged, can't be turned on, it is recommended to connect the standard charger to charge, change the charger to try. If it is invalid, contact the after-sales site for detection.

Dear Lenovo users, hello!

It is recommended that you first try to reset your computer before going for maintenance, reset method: unplug the battery and external power supply, press and hold the power button for 30 seconds to discharge electrostatic electricity;

Hello. We apologize for the inconvenience caused to the normal use of your device.

According to the description, the K900 phone won't turn on. It is recommended that you try to confirm and operate the following:

1. Whether it is caused by the battery being out of power, try to charge it for half an hour and then turn it on.

2. If it is an abnormality caused by flashing the third-party firmware or damaging the system after rooting, you need to re-flash the system to restore the use of the system.

3. Eliminate system problems, if it involves the power button itself, or caused by the motherboard-related abnormality, this situation needs to take time to the local Lenovo after-sales service center, so that the engineer can help detect and solve it.

You can log in to the official website to check the address.

You are welcome to contact us at any time or visit Lenovo Lewen (for consultation.

The solution to Lenovo K900 that can't be turned on is as follows:

1. Charge the phone for half an hour before turning it on and try it;

2. Try to restore the phone to factory settings;

3. Repair the mobile phone for after-sales warranty processing.

The steps to do a factory reset are as follows:

1. Turn off the phone completely;

2. When the phone is turned off, press the power button first, and then immediately press the volume down button + volume up button at the same time and don't let go, it will enter recovery after a while, note: press the volume up and down keys in recovery mode to select, and press the power button and home button to indicate OK;

3. After entering the recovery mode, you can choose to restore factory settings, no matter whether the phone is a recovery that comes with the system or a third-party recovery, as long as there is [wipe data factory reset];

4. Select [Wipe Data Factory Reset], then press the boot button to confirm, and then select [yes - delete all data].

5. Then re-select [Reboot System Now], press the power button to confirm, and then start the phone.

Computer system problems redone. View the original post