From time to time the screen of Doro Liberto 820 remains black. This issue may happen in many circumstances. Sometimes it occurs after the Doro Liberto 820 falls. Other times, the screen remains black after a start, lock, or sleep. Whatever the case, do not be anxious, you will find several methods to resolve the black screen of your Doro Liberto 820. For that, it will be required to examine several points prior to attempting the different techniques. We will discover at first what things to check when the screen of Doro Liberto 820 remains black. We will discover in a second time all the tricks in order to unlock this bad black screen.
What should you watch if you have a black screen on Doro Liberto 820
Before embarking on the tricks, we suggest you to examine the points below in order to better understand where the problem can originate. This will give you good clues of the nature of the problem.
Is the Doro Liberto 820 LED on when the screen remains black?
One of the first of all points to examine is the little led that is on the top of your screen. If perhaps the LED is red or blue when the Doro Liberto 820 screen remains black, this means that the mobile phone is turned on. In such a case, it is highly likely that the problem comes from the screen.
Is the Doro Liberto 820 charged?
From time to time, a deep battery discharge prevents the Doro Liberto 820 from turning on for quite a while. Be sure the Doro Liberto 820 is entirely charged by leaving it connected for at least 1 hour. If perhaps after this the LED doesn’t light and the screen remains black, the problem can possibly result from the battery.
Is the Doro Liberto 820 damaged?
If the Doro Liberto 820 screen remains black after shock, after falling , after being wet , or after breaking , the screen could be harmed. In such a case, not one of the methods listed below will function. You will then have to bring your Doro Liberto 820 to a repairman.
What you can do when the Doro Liberto 820 screen remains black?
After checking out that the problem emanates from the screen, you can try the next ideas to unlock the black screen of your Doro Liberto 820. If a method doesn’t function, go to the following one.
Plug the Doro Liberto 820 into its charger
The 1st thing to do when the screen of Doro Liberto 820 remains black is to put the mobile on. This will make it possible to be peaceful for any subsequent manipulations. This additionally resolves the possible problem of a deep discharge of the mobile battery.
If possible, take out the battery from the Doro Liberto 820
If the Doro Liberto 820 is easily detachable, we suggest you to remove the battery . This from time to time solves the black screen problem. Hold out a couple of secs, then turn the battery back on and try to start the mobile. In cases where the screen is still blocked, go to the following step.
Remove SIM card and SD card
It from time to time happens, without justification, that the SIM card or the SD card conflicts with Doro Liberto 820 and causes a black screen. One of the methods to try is to take out the SIM card and the SD card. Once it’s performed, it is advisable to try to start the telephone. In cases where it works, it means there is a conflict with the SIM or SD card.
Force Doro Liberto 820 to reboot
If the screen remains black, the problem often resolves with a forced reboot . To do this, you must press several keys simultaneously. You have to remain at least TEN secs for the forced reboot 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 battery is empty
At last, in the event that not one of the previously mentioned méthodes do the job, you can try to let your battery discharge. Make sure the battery is completely empty. Once it is carried out, plug your Doro Liberto 820 into its power adaptor and try to start the Doro Liberto 820.
