From time to time the screen of Microsoft Lumia 640 remains black. This issue can appear in several circumstances. Sometimes it occurs after the Microsoft Lumia 640 falls. Other times, the screen remains black after a start, lock, or sleep. No matter the reason, do not worry, there are several techniques to fix the black screen of your Microsoft Lumia 640. For that, it’s going to be necessary to examine several points just before trying the diverse solutions. We will see at initially what things to verify when the screen of Microsoft Lumia 640 remains black. We will see in a second time all the tricks to unlock this nasty black screen.
What should you watch if you have a black screen on Microsoft Lumia 640
Before embarking on the tricks, we recommend you to examine the things below to be able to better understand where the issue can originate. This will give you good indications of the nature of the issue.
Is the Microsoft Lumia 640 LED on when the screen remains black?
One of the first of all points to examine is the tiny led that is at the top of your screen. In cases where the LED is red or blue when the Microsoft Lumia 640 screen remains black, it signifies that the mobile phone is turned on. In such cases, it is very likely that the issue originates from the screen.
Is the Microsoft Lumia 640 charged?
Sometimes, a deep battery discharge prevents the Microsoft Lumia 640 from turning on for a while. Make certain the Microsoft Lumia 640 is entirely charged by leaving it connected for at least 1 hour. If after that the LED does not light up and the screen remains black, the issue can probably result from the electric battery.
Is the Microsoft Lumia 640 damaged?
If the Microsoft Lumia 640 screen remains black after shock, after falling , after being wet , or after cracking , the screen could possibly be damaged. In such cases, probably none of the techniques below will do the job. You will then have to bring your Microsoft Lumia 640 to a repairman.
What you can do when ever the Microsoft Lumia 640 screen remains black?
After verifying that the issue comes from the screen, you can actually try the following recommendations to unlock the black screen of your Microsoft Lumia 640. If a method does not do the job, look at the following one.
Plug the Microsoft Lumia 640 into its charger
The very first thing to perform when the screen of Microsoft Lumia 640 remains black is to put the cellphone on. This will make it possible to be serene for all following manipulations. This as well solves the possible issue of a deep discharge of the cellphone electric battery.
If possible, take away the electric battery from the Microsoft Lumia 640
If the Microsoft Lumia 640 is easily detachable, we recommend you to remove the electric battery . This sometimes handles the black screen issue. Hang on a couple of secs, then turn the battery back on and make an attempt to start the cellphone. If the screen is still blocked, look at the following step.
Remove SIM card and SD card
It sometimes happens, without explanation, that the SIM card or the SD card conflicts with Microsoft Lumia 640 and triggers a black screen. One of the techniques to try is to take away the SIM card and the SD card. Once it’s finished, it is advisable to try to start the mobile phone. If it works, it implies there is a conflict with the SIM or SD card.
Force Microsoft Lumia 640 to restart
If the screen remains black, the issue often resolves with a forced restart . To achieve this, you will have to press several keys at the same time. You have to remain at least TEN secs for the forced restart to run. The key combo is determined by the versions but had to be 1 of the subsequent:
- 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
At last, if perhaps not one of the previously mentioned méthodes function, you can actually try to let your electric battery discharge. Be sure the electric battery is totally empty. Once it is done, plug your Microsoft Lumia 640 into its power adaptor and try to start the Microsoft Lumia 640.
