black edges when playing video - Huawei Mate 40 Pro Questions & Answers

Hello, i noticed when orientation of the screen is in landscape, edges are black, about 1mm on both sides. I have edges turned on in settings, but it seems it automaticly makes them black. Any ideas? Try and test if you have same problem. Put something on the edge when phone is on desktop , and open any app in horizontal orientation . You will see edges are black
PS: to answer my own question: huawei reported back to me, saying the phone automaticly shrinks screen when in landscape mode. No fix for now

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Pressure on the screen

Hey guys, there seems to be something a little irregular with the screen. When I press on the screen anywhere, there is a spot on the screen that appears to be what looks like pressure being exerted on it. Just like how it looks when you press on the LCD screen of a laptop. This happens also when i press on the case at the top on the left side. The spot I am talking about is about 1 in down from the top of the screen and about 1.5cm to the right from the left of the screen. It is not easily seen unless the screen is displaying a very dark background.
There is a membrane over the surface of the screen that will flex as any pressure is applied to the touch screen, both by the pen and by the frame. If you look at it through polarized sunglasses you can see the effect of any pressure quite dramatically. Unless the screen is malfunctioning or there is color distortion, I don't see a problem.
liquidsilver said:
There is a membrane over the surface of the screen that will flex as any pressure is applied to the touch screen, both by the pen and by the frame. If you look at it through polarized sunglasses you can see the effect of any pressure quite dramatically. Unless the screen is malfunctioning or there is color distortion, I don't see a problem.
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i dont think thats what hes talking about, he makes it sound like whne he touches the screen a "lcd ripple" appears somewhere else on the screen.
Mine does this when i slide hte keyboard, i can see one in the middle, it kinda worries me, especially since my last kaiser's screen broke and i didnt do anything, i just took it out of my pocket and it was like that.

Screen Issues

OK, my tilt is under a month old and have two concerns regarding the screen. When using the slider, at the very top of the fully opened "motion" the screen ripples in the center as if it is being compressed with a finger. It is about half and inch in diameter and repeats if I slide the screen at the top of its fully opened position. Is this normal? It is visible under my solid blue background.
Secondly, under certain lights there is a rainbow effect when the screen is off. This is only noticeable if I have it under the light at specific angles. If I push my finger on the screen it moves as if the two layers of the touch screen are in constant contact with each other and in turn when I push on it, I can manipulate this location. This is visible under the center most part of the screen. I am using the original screen protector provided by ATT.
Just wondering if this is normal, if not, I'm tempted to return it and get a new one under the 30-day policy.
Thanks in advance!
Anyone please?
Ive never noticed anything like that. It sounds to me that there is some space between a few layers of plastic and that is causing diffraction of light which you see as the rainbow affect. If you have the option of replacing it with a new one I would. I mean if I buy something I want it to be in mint condition when I pay for it, not damaged.

Screen display doesn't cover whole screen

Sent my phone in for repair, and it seems that the ROM version was updated. As a result, it seems that the projected display doesn't cover the whole screen. There is a noticeable gap at the bottom and right of the screen. Is there a way to stretch or realign the screen through registry? (I've tried the display align settings, but it doesn't seem to make any difference).
Pictures?
A little gap is on my device as well. At the bottom. But it's almost not noticable.
Not for pictures - but in general.... it's almost as if the display doesn't stretch the full length and width of the screen.

What did I possible do so I don't do it again?

I was lying down on my back. Hands up looking at phone. I watched some video. I viewed some pictures. I turned it off and shortly after I got up to plug it into the charger.
When I turned the screen on to verify my alarm was set, the screen is normally portrait in orientation was landscape. It would not rotate. So, I unlocked it in landscape mode, which is a tad awkward just because I'm not used to it.
The screen would only rotate into landscape, or portrait, but portrait was upside down! The buttons for back or home were away from me. Turn off screen and back on. Same thing. Lock screen landscape.
So, I figure I'll go do that calibration where you put your phone on a level surface. It pops up in landscape and all I could see was a letter G and rest was black screen.
Rebooting fixed the problem, but does anyone know if I might have hit something or if there's a fix without rebooting?
yuppicide said:
I was lying down on my back. Hands up looking at phone. I watched some video. I viewed some pictures. I turned it off and shortly after I got up to plug it into the charger.
When I turned the screen on to verify my alarm was set, the screen is normally portrait in orientation was landscape. It would not rotate. So, I unlocked it in landscape mode, which is a tad awkward just because I'm not used to it.
The screen would only rotate into landscape, or portrait, but portrait was upside down! The buttons for back or home were away from me. Turn off screen and back on. Same thing. Lock screen landscape.
So, I figure I'll go do that calibration where you put your phone on a level surface. It pops up in landscape and all I could see was a letter G and rest was black screen.
Rebooting fixed the problem, but does anyone know if I might have hit something or if there's a fix without rebooting?
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Personally this hasn't happened to me but I have heard of it happening. From what i have read and heard is that the proximity sensor for some reason gets stuck. i have heard of people using the old flashlight trick that was used on the M7 to fix it but a reboot fixes it every time. So I don't think you bumped anything. hope this helped .

Vertical artefacts after display change

Story: I have 2 horizontal stripes on my touchscreen, that do not react on touch. The Touchscreen service menu lets me "clean" the touchscreen to show exactly these 2 bars that cannot be touched/touch doesn't react. Hence I decided to change the display (LCD+digitizer, as separating them is to difficult for me)
Now: Phone disassembled to the point, where I can unplug the display on the back, remove it and plug the new one in. Working so far.
Then I try to glue the new display in (display glue tape applied) which means I have to bend the cable a bit to go under the display. Before I push it firmly on the glue I test it again: LCD not working anymore. I see vertical artefacts.
Basically: The boot screen shows the white "SONY" centred on black background. But there are also artefacts from the "SONY" to the top and bottom. Like lines of error pixels with random colors. Not completely solid but visibly exactly where the "SONY" is.
Those lines are not static. They appear where bright objects are and are always top to bottom. Start is similar to this (during run it is not as bad as in the video, for me it is mostly e.g. when the symbols from the launchbar (WIFI, GPS,...) or the battery is shown) https://www.youtube.com/watch?v=O2kBUXdGJtk
This happened to me twice now and I can't figure out, what I could have done wrong. Does anyone knows what happened here and how to avoid it?

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