Xperia Ray user:
I think my ray has sporadic display coma issues.
it seems to happen when phone comes out of deep sleep (standby for a minute or longer) and i press home or power button to play with it. The backlight lits up, but the GPU doesn't seem to come out of its sleep (=coma?) and screen stays black with backlight on. The phone is then fully functional, also touchscreen works well....but without display output.
Only way to wake the screen up is to press the power button repeatedly (press twice fast (=off/on)...nothing..wait a second press twice fast...repeat until screen is on)
I tried "every rom/kernel" out here (incl. factory resets), no simm, no sdcard etc. , also added wakelocks to keep the device out of deep sleep..and the only thing which works best for me is to use cyanogenmod 7.2 (GB). It smells like a hardware problem on the qualcomm chip with its embedded GPU.
Somehow cyanogenmod has a different approach on switching on the screen?
Still when making phonecalls with CM 7.2 and screen goes off by proximity sensor...the coma issue comes back (black screen) and i cannot put the call on hook as i dont see anything on screen.
If anybody knows a low-level tweak (deeper than kernel goes), please PM me and write a reply.
Sorry... i refuse to accept that out of nothing this screen coma issue pops up...and when i finally have the display on...everything works fine.
Thanks in advance
Michel
My 2 friends have xperia ray and both of them are facing the same issue, this issue started to show up after disassembling the phone
for changing the housing.
Did you disassembled your phone or gave it for reapir where they disassembled it?
sometimes the touch screen also stops working but its happens rarely.
I don't think its an hardware problem because it only showed up after disassembling the phone, i think the housing or the touchscreen
cable becomes loose after disassembling because i kept some packing of paper over the touchscreen cable and its sometimes solves the problem but still happens!
I went to sony care they disassembled the phone and found nothing bad inside and told me it may be a software problem but ever since they
disassembled and reassembled the phone the issue magically disappeared!!!! but one of my friend is still facing the issue.
So its can be a loose screws or housing!
Related
My phone lcd and digitizer seem to work with no problems, but the backlight for the lcd got some problems, It won´t turn on when i press the power button. Sometimes it turns on by pressing hard on the left side of the sreen and edge or it will stay on till the phone locks. Its very weird.
I will possibly upload a video if i find a camera.I already opened the phone a bit but the flex cables seemed ok. Does anone has an idea?
Ps: My left thumb hurts .
Hello! So my Xperia Mini pro has been broken, it doesn't show any image anymore, I think there is a problem with the screen but I want a confirmation or recommendation to find out what the problem is.
First the screen "touch" capability stopped working, and then two weeks after that, the back and option buttons stopped working too. And a week after that ,there was like a screen "flickering" (I tried to recreate the problem in the attached image) when I tried to either open or close the slider.
Finally the screen stopped working anymore. I tried to connect the phone to the PC but says that windows cannot recognize the hardware. And there's one more thing: I can turn on the phone, it vibrates, but the keyboard lights seems that are not working, they are permanently off.. and when I try to Increase the volume it doesn't sound either... There is only the black screen and a backlight.
Please Help me to find out what is the problem, I'm thinking to buy a screen replacement on eBay, but some people told me that is the "flex" cable. I'm not sure if there is a fix for my phone's problem.
Thanks!
Hey there.
Based on my experience, yes, your problem is most likey a flex ribbon issue. Your flex has been ripping apart lately, causing many of its wires to break. This can cause a lot of unpredictable problems, such as a misbeheaving notification LED, inactive ambient light sensor, or "dead" display/touch digitizer. Your problems have gotten worse over time, which is clearly a symptom of a broken flex.
You phone is no longer booting up to android because the kernel no longer detects a proper "response" from the display driver and halts the bootup. This is why you can feel the phone vibrating when pressing the power button, but nothing else happens. Your screen assembly is fine, I can assure you that, unless your glass is broken, of course.
Here's one hell of a good teardown guide: http://www.ifixit.com/Teardown/Sony+Ericsson+Xperia+Mini+Pro+SK17i+Teardown/7275
I used that very same guide when I repaired my own xmp. I regret messing with my screen assembly because I destroyed it and had to buy a new one, which is costly
Thank You so much for the advice ! Now I'll try to repair it, It doesn't seem too difficult. Thank You Again!!!
Hello everyone.
I have a problem with my smartphone Sony Xperia Z2. I dropped it and the display broke. I bought a new display. When I connect he went crazy. He began to open the application, clicking like 10 fingers working on it simultaneously. Because I thought that the display is faulty, I've exchanged for a new one. But now even bigger problem. When I turn on him, he does not show anything on the screen except the backlight. Do you know what the problem is and whether anyone had a similar problem? So, when the smartphone turns on, lights up only the backlight but nothing on the screen showing a. At first, there is a lot of vertical lines on display, and once he just fade out, and from that moment display is blank only backlight working. I try to update software, but nothing change. Restarting, and turning off also nothing.
Please help me solve this, for me very frustrating problem.
anyone?
rrraka said:
anyone?
Click to expand...
Click to collapse
Did you ever get this resolved?
I had this issue after a screen replacement for a shattered screen. I was sure I had damaged something in the process (ribbon flex cable, motherboard, etc). Turns out the replacement screen was faulty. A new working screen solved the issue.
As the title suggests my sony z2 will not respond to touch input. Yet strangely it will work for a day or two then it wont respond then a few minutes later it might be fine. But then on other occasions i need to let the battery die and then restart the phone for touch to come back. Originally i assumed it was because I recently had my screen repaired and it was a cheap part, but the fact that the screen doesnt work at random times makes me believe it is a software issue. If anyone else is having a similar problem or knows any sort of fix please let me know.
Bengee5698 said:
Originally i assumed it was because I recently had my screen repaired and it was a cheap part, but the fact that the screen doesnt work at random times makes me believe it is a software issue.
Click to expand...
Click to collapse
99% chance is that, it is your touch panel problem. Flash latest firmware through flashtool and see if the problem is gone. And why should you wait for full discharge? There is a power button beside your sim tray. You can also power it down by pressing and holding "power+volume up" button until it vibrates.
I have weird problem with my phone.
First i need to note that, the phone has third screen mounted for now. I have that problem on all 3 screens. Original screen had this problem, then i changed it after cracking screen. After one month i cracked second screen and last day i mounted new screen. The problem is - sometimes (maybe 1-5 times per day) touch (i mean screen + hwkeys on it) is unresponsive until reboot. Touch is never hanging up when is turned on. I doesn't have ghost touch or sometimes like this. Touch is turning off always when i unlock phone with key or fingerprint and i need to reboot device with pressing power. Then it's always working fine.
Anyone has that problem? It's my second lemax because i sell first after problem with camera (no focus, hardware damaged because when i shocked phone it's sometimes started working). Sorry for my bads.
What i tried:
-flashing new firmware (but i dont remember what firmware i have now)
-flashing new custom rom
-flashing phone in 9008 (i need to do that after changing fingerprint sensor)
-changing screen because i cracked two (problem is on 3 screens)
-noted that problem is always. Nothing matter with phone temperature or cracks.
I have hotair and i can reflow IC but i don't know which IC can be damaged.