Sometimes the display screen of Samsung Galaxy M40 stays black. This problem can appear in several situations. Often it happens after the Samsung Galaxy M40 falls. Other times, the screen stays black after a start, lock, or sleep. Whatever the case, do not be anxious, you will discover several tricks to resolve the black screen of your Samsung Galaxy M40. For that, it’ll be recommended to examine several stuff before attempting the different techniques. We will see at primary what things to examine when the screen of Samsung Galaxy M40 remains black. We will see in a second time all the tricks in order to unlock this horrible black display screen.
What should you check out if you have a black screen on Samsung Galaxy M40
Before embarking on the tricks, we suggest you to examine the points below to be able to better understand where the trouble can originate. This will provide you good clues of the nature of the trouble.
Is the Samsung Galaxy M40 LED on when the display screen remains black?
One of the first stuff to examine is the tiny led that is on top of your display screen. If the LED is red or blue when the Samsung Galaxy M40 display screen remains black, it signifies that the mobile is turned on. In this instance, it is highly probably that the trouble originates from the display screen.
Is the Samsung Galaxy M40 charged?
From time to time, a deep battery discharge prevents the Samsung Galaxy M40 from turning on for quite a while. Ensure that the Samsung Galaxy M40 is completely charged by leaving it connected for at least 1 hour. In the event that after that the LED doesn’t light up and the display screen stays black, the trouble can probably originate from the electric battery.
Is the Samsung Galaxy M40 damaged?
If the Samsung Galaxy M40 display screen remains black after shock, after falling , after being wet , or after cracking , the screen can be damaged. In this instance, not one of the tips below will work. You will then have to bring your Samsung Galaxy M40 to a repairman.
What to do when the Samsung Galaxy M40 screen stays black?
After checking out that the trouble comes from the display screen, you can try the next tips to unlock the black display screen of your Samsung Galaxy M40. If a method doesn’t work, check out the following one.
Plug the Samsung Galaxy M40 into its charger
The 1st thing to perform when the display screen of Samsung Galaxy M40 remains black is to put the telephone on. This makes it possible to be peaceful for any subsequent manipulations. This additionally solves the possible trouble of a deep discharge of the telephone electric battery.
If possible, take away the electric battery from the Samsung Galaxy M40
If the Samsung Galaxy M40 is easily removable, we suggest you to remove the electric battery . This from time to time solves the black display screen trouble. Hold out some seconds, then turn the battery back on and try to start the telephone. In cases where the display screen is still blocked, check out the following step.
Remove SIM card and SD card
It from time to time occurs, without reason, that the SIM card or the SD card conflicts with Samsung Galaxy M40 and triggers a black display screen. 1 of the tips to try is to take away the SIM card and the SD card. Once it’s done, you should try to start the mobile phone. In cases where it works, it signifies there is a conflict with the SIM or SD card.
Force Samsung Galaxy M40 to reboot
If the display screen stays black, the trouble often resolves with a forced reboot . To achieve this, you will need to press several keys simultaneously. You have to stay at least 10 seconds for the forced reboot to work. The key combination will depend on the versions but had to be 1 of the following:
- low volume + power button
- low volume + power button + cough Home
- high volume + power button
- volume top + touch power + cough Home
- touch power + cough Home
Hang on until the electric battery is empty
Finally, if perhaps none of the above solutions work, you can try to let your electric battery discharge. Make certain the electric battery is entirely empty. Once it is done, plug your Samsung Galaxy M40 into its phone chrgr and try to start the Samsung Galaxy M40.
