How to fix LG H791 black screen

In some cases the screen of LG H791 stays black. This problem may occur in many circumstances. Oftentimes it occurs after the LG H791 falls. Other times, the screen stays black after a start, lock, or sleep. In any case, do not worry, you will find many techniques to fix the black screen of your LG H791. For that, it will be needed to check several things before attempting the different solutions. We will see at initially what things to check when the screen of LG H791 remains black. We will see in a second time all the tricks in order to unlock this horrible black screen.black-screen-LG-H791

What should you check out in case you have a black screen on LG H791

Before embarking on the techniques, we recommend you to check the points below to be able to better understand where the issue can originate. This will deliver you good indications of the nature of the issue.

Is the LG H791 LED on when the screen remains black?

One of the first things to check is the small led that is at the top of your screen. In cases where the LED is red or blue when the LG H791 screen remains black, it implies that the mobile phone is started. In cases like this, it is highly probably that the issue originates from the screen.

Is the LG H791 charged?

From time to time, a deep battery discharge prevents the LG H791 from turning on for a time. Make sure the LG H791 is fully recharged by leaving it connected for at least one hour. In the event that after this the LED does not light up and the screen stays black, the issue can possibly result from the battery.

Is the LG H791 damaged?

If the LG H791 screen remains black after shock, after dropping , after being wet , or after cracking , the screen can be damaged. In cases like this, none of the tips listed below will do the job. You will then have to bring your LG H791 to a repairman.

How to proceed when ever the LG H791 screen stays black?

After examining that the issue comes from the screen, you can actually try the next tips to unlock the black screen of your LG H791. If a trick does not do the job, look at the next one.

Plug the LG H791 into its charger

The first thing to do when the screen of LG H791 remains black is to put the phone on. This makes it possible to be serene for any following manipulations. This also handles the possible issue of a deep discharge of the phone battery.

If it is possible, take out the battery from the LG H791

If the LG H791 is easily detachable, we recommend you to remove the battery . This sometimes solves the black screen issue. Hang on a few secs, then turn the battery back on and try to start the phone. If the screen is still blocked, look at the next step.

Remove SIM card and SD card

It sometimes happens, without justification, that the SIM card or the SD card conflicts with LG H791 and causes a black screen. 1 of the tips to try is to take out the SIM card and the SD card. Once it’s completed, you must try to start the phone. If it works, it implies there is a conflict with the SIM or SD card.

Force LG H791 to reboot

If the screen stays black, the issue often solves with a forced reboot . To get this done, you need to press several keys at the same time. You have to remain at least 10 secs for the forced reboot to run. The key combination will depend on the versions but had to be one 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 none of the above procédures function, you can actually try to let your battery discharge. Be sure the battery is totally empty. Once it’s carried out, plug your LG H791 into its phone chrgr and try to start the LG H791.