Thread Details - HUAWEI Community. I just set an appointment on one of Huaweis Service Center (podium) to get the power button fix as it does not work anymore. To my surprise I got a call from them and was told that although uts just the power button, the whole screen needs to be repl. mouse and keyboard work, when plugged in with the phone (they light up and are confirmed to be usable with my new phone) the hdmi should be showing the lock screen when plugged in and after hitting enter/space with keyboard it should go black, waiting for pin input, after inputting and hitting enter, it should be showing the homescreen on the You can go to Settings > Display & brightness > Sleep, and set the screen timeout duration. Manually lock the screen: To lock the screen, use either of the following methods: Press the Power button. On the home screen, pinch two fingers together to enter editing mode. Touch Widgets, and drag the Screen Lock icon to the home screen. iPhone 8 and above: Press and release the volume up and the volume down buttons concurrently, and long-press the side button and release it when the Apple logo appears. 7 and 7 plus: Long press both the volume down and the power buttons at once and release on seeing the Apple logo on the screen. The screen turns off during a call. The screen turns off after picking up a call. The screen does not turn on after a call ends. The screen does not turn off when the phone is held close to the user's face. Solution: Check whether your phone enters Sleep mode during calls. If it does, the proximity sensor will be disabled. Hello everyone, I'm having a problem with my Huawei P20 Pro. When the temperature is low, the screen stays black with green bands flashing. Once the temperature is higher, the phone operates normally. Do you know this problem If you have enabled it, the screen will remain on while your device is charging. Search for and access Developer options, then find and disable Stay awake. If Developer options is not displayed, open Settings, search for and touch Build number, and touch the build number for seven consecutive times until a " You are now a developer Feb 1, 2019. #2. Sounds like you have internal damage. Either the display has been dislodged a little, the connection for it internally has been dislodged, or there is a component needing replacement. If the phone is under warranty, contact the manufacturer. If it isn't, then try a local tech. Either way, it will need to be repaired. .

huawei p20 touch screen not working