How to fix Samsung Galaxy A40s black screen

From time to time the display screen of Samsung Galaxy A40s stays black. This issue can happen in a lot of situations. Sometimes it occurs after the Samsung Galaxy A40s falls. Other times, the screen stays black after a start, lock, or sleep. Whatever the case, don’t worry, you will discover many techniques to repair the black screen of your Samsung Galaxy A40s. For that, it’ll be necessary to check several things just before attempting the diverse methods. We will find out at first what things to check when the screen of Samsung Galaxy A40s remains black. We will find out in a second time all the tricks to be able to unlock this nasty black display screen.black-screen-Samsung-Galaxy-A40s

What should you check out when you have a black screen on Samsung Galaxy A40s

Before embarking on the techniques, we suggest you to check the points below in order to better understand where the issue can form. This will provide you good clues of the nature of the issue.

Is the Samsung Galaxy A40s LED on when the display screen remains black?

One of the 1st things to check is the small led that is at the top of your display screen. If perhaps the LED is red or blue when the Samsung Galaxy A40s display screen remains black, this means that the cellphone is turned on. In such a case, it is highly probably that the issue originates from the display screen.

Is the Samsung Galaxy A40s charged?

Occasionally, a deep battery discharge prevents the Samsung Galaxy A40s from turning on for a while. Be sure the Samsung Galaxy A40s is completely charged by leaving it connected for at least 1 hour. If perhaps after that the LED doesn’t light and the display screen stays black, the issue can possibly come from the electric battery.

Is the Samsung Galaxy A40s damaged?

If the Samsung Galaxy A40s display screen remains black after shock, after falling , after being wet , or after breaking , the screen can be damaged. In such a case, not one of the techniques below will do the job. You will then have to bring your Samsung Galaxy A40s to a repairman.

What to do when the Samsung Galaxy A40s screen stays black?

After examining that the issue comes from the display screen, you can try the next ideas to unlock the black display screen of your Samsung Galaxy A40s. If a trick doesn’t do the job, check out the next one.

Plug the Samsung Galaxy A40s into its charger

The very first thing to perform when the display screen of Samsung Galaxy A40s remains black is to put the telephone on. This makes it possible to be serene for all following manipulations. This likewise handles the possible issue of a deep discharge of the telephone electric battery.

If possible, take away the electric battery from the Samsung Galaxy A40s

If the Samsung Galaxy A40s is easily detachable, we suggest you to remove the electric battery . This sometimes handles the black display screen issue. Hang on a couple of seconds, then turn the battery back on and make an attempt to start the telephone. If perhaps the display screen is still blocked, check out the next step.

Remove SIM card and SD card

It sometimes happens, without explanation, that the SIM card or the SD card conflicts with Samsung Galaxy A40s and causes a black display screen. One of the techniques to try is to take away the SIM card and the SD card. Once it’s completed, you should try to start the telephone. If perhaps it works, it indicates there is a conflict with the SIM or SD card.

Force Samsung Galaxy A40s to restart

If the display screen stays black, the issue often solves with a forced restart . To do this, you simply must press a number of keys simultaneously. You will need to stay at least 10 seconds for the forced restart to work. The key combination depends upon 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

Wait until the electric battery is empty

Finally, in cases where not one of the above procédures function, you can try to let your electric battery discharge. Be sure the electric battery is completely empty. Once it is performed, plug your Samsung Galaxy A40s into its charger and try to start the Samsung Galaxy A40s.