In some cases the display screen of HUAWEI Mate 40 Pro stays black. This problem can occur in many circumstances. Sometimes it happens after the HUAWEI Mate 40 Pro falls. Other times, the screen stays black after a start, lock, or sleep. No matter the reason, do not worry, you will find many methods to fix the black screen of your HUAWEI Mate 40 Pro. For that, it will probably be necessary to verify several points just before trying the different solutions. We will find out at primary what things to check when the screen of HUAWEI Mate 40 Pro remains black. We will find out in a second time all the tricks to be able to unlock this nasty black display screen.
What should you check out if you have a black screen on HUAWEI Mate 40 Pro
Before embarking on the techniques, we advise you to verify the points below in order to better understand where the issue can originate. This will give you good indications of the nature of the issue.
Is the HUAWEI Mate 40 Pro LED on when the display screen remains black?
One of the first points to verify is the little led that is on top of your display screen. In the event that the LED is red or blue when the HUAWEI Mate 40 Pro display screen remains black, this means that the telephone is switched on. In such cases, it is highly probably that the issue comes from the display screen.
Is the HUAWEI Mate 40 Pro charged?
Sometimes, a deep battery discharge prevents the HUAWEI Mate 40 Pro from turning on for some time. Make sure the HUAWEI Mate 40 Pro is entirely charged by leaving it connected for at least one hour. If perhaps after this the LED does not illuminate and the display screen stays black, the issue can potentially result from the battery.
Is the HUAWEI Mate 40 Pro damaged?
If the HUAWEI Mate 40 Pro display screen remains black after shock, after dropping , after being wet , or after damage , the screen may well be damaged. In such cases, not one of the tricks below will work. You will then have to bring your HUAWEI Mate 40 Pro to a repairman.
What to do when the HUAWEI Mate 40 Pro screen stays black?
After looking at that the issue emanates from the display screen, you can actually try the following tips to unlock the black display screen of your HUAWEI Mate 40 Pro. If a trick does not work, go to the following one.
Plug the HUAWEI Mate 40 Pro into its charger
The 1st thing to accomplish when the display screen of HUAWEI Mate 40 Pro remains black is to put the mobile phone on. This will make it possible to be peaceful for all following manipulations. This likewise solves the possible issue of a deep discharge of the mobile phone battery.
Whenever possible, take out the battery from the HUAWEI Mate 40 Pro
If the HUAWEI Mate 40 Pro is easily removable, we advise you to remove the battery . This sometimes solves the black display screen issue. Hold out a couple of seconds, then turn the battery back on and make an attempt to start the mobile phone. If perhaps the display screen is still blocked, go to the following step.
Remove SIM card and SD card
It sometimes happens, without explanation, that the SIM card or the SD card conflicts with HUAWEI Mate 40 Pro and triggers a black display screen. 1 of the tricks to try is to take out the SIM card and the SD card. When it’s performed, it is advisable to try to start the mobile phone. If perhaps it works, this means there is a conflict with the SIM or SD card.
Force HUAWEI Mate 40 Pro to restart
If the display screen stays black, the issue often resolves with a forced restart . To achieve this, you need to press a number of keys at the same time. You have to stay at least 10 seconds for the forced restart to run. The key combination will depend on the versions but had to be one 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 battery is empty
Finally, in the event that none of the previously mentioned méthodes work, you can actually try to let your battery discharge. Be sure the battery is completely empty. When it’s finished, plug your HUAWEI Mate 40 Pro into its phone chrgr and try to start the HUAWEI Mate 40 Pro.
