I have a G2 running CyanogenMod 6.1rc1. It was working wonderfully until this morning, when it stopped displaying any image/video on the screen. The backlight still works, and I can unlock it (and turn on the LED flashlight) by memory, so the touch sensor is working, but I get no video at all (even in hboot/usb-fastboot).
I talked with a couple of guys in #cyanogenmod, and they say it's probably a hardware problem (damage to screen's ribbon cable), and needs to be RMA'd. I'd like to get CM off of the phone before sending it off, just to be on the safe side. Is there a way to do that without being able to see the phone screen (i.e., via ADB and/or specific keypress sequence for Clockwork Recovery)?
Thanks in advance!
Related
Hey guys so my Tilt 2 has been having an issue when I put it to sleep. It goes to sleep fine, but when I wake it up the screen remains black. The actual device turns on, but the screen stays black. I can still make calls, receive calls, play music, etc. but I have to soft reset the device if I want to be able to see what I am doing.
From what I can tell my problem is different from the normal Sleep of Death issue where the device simply won't wake up.
I've searched through the forums looking for solutions and have tried pretty much everything from doing a hard reset, using different roms, formatting the internal memory, etc. Even after doing all of this, my device still suffers from this issue.
Any insight into my problem would be greatly appreciated!
I assume you've tried a simple reset using the reset button or pulling the battery out and putting it back in?
Aaron McCarthy said:
I assume you've tried a simple reset using the reset button or pulling the battery out and putting it back in?
Click to expand...
Click to collapse
Yeah every time I the screen goes black I soft reset it in order to get the screen to turn back on. The problem is that the issue persists through soft resets. I currently can't suspend my device because I can't get the screen to turn back on...
hold down the volume down button and then press the reset button (the physical reset button) this should bring you into your bootscreen the multicoloured screen.. if you can get there then you can flash a new rom on your phone... and thats a whole other ball game. It gets a lot of hype as being hard but its really super easy to do if you just follow the directions.
Tilt 2 dark screen solved
With the tilt 2, if the screen does not wakeup, but you can answer the phone, hear music, etc..., it is a malfunctioning light sensor, maybe hardware, or software related (drivers), but it is fixable. Just eliminate all calls for use of the light sensor.
I had this problem and took quite a while to figure it out, as there are several apps that poll the light sensor that cause problems.
First, go to start/settings/system/power/backlight and uncheck the auto adjust backlight option
Second, go to start/settings/personal/buttons/backlight and uncheck the enable keyboard auto backlight sensor.
Last, open advanced config (need to download and install from touchxperience.com, if you do not have it), tab to light sensor and set light sensor polling to disabled.
Now, my phone works normal and will wake up properly from standby like it should. this all seems hardware dependant, as I have in my family 3 of these things and I dropped and broke mine, so bought a new one (4th in the series) and it had the SOD issues, but could restart with softrest. Took me the better part of the day to find a reliable fix, but now all is well again.
Hope this helps other Tilt 2 and similar issues.
Is this a known bug?
When I use the power management widget and toggle the screen brightness to the lowest. Then when I go to stand-by (by clicking powerbutton or automaticly) and try to activate the phone again the screen stays black (touch buttons light up but I can't use them).
I have to take out the batterie and reboot to get the screen back...
I'm so happy to see this.
I have exactly the same problem. My Wildfire S arrived this afternoon. I used it without any problems until about 22.30, then all of a sudden it wouldn't get out of standby anymore. The only way to get it working again is indeed by removing the battery for a second.
I did a factory reset (through the general phone menu) and now the problem has disappeared, but it could come back any second.
Other people experiencing the same problem?
This is a phone bought in the Netherlands where I live by the way, the black Wildfire S.
I had the same problem.
I had my wildfire s mount to usb... and using the navigon software while driving... then suddenly went to black screen with the keys activated.
I tried to enable the screen but with no luck.
When I unplugged the usb...I push the power button... and suddenly it came back to normal.
!!
very strange.
well... I found a sort solution for this.
If you do what you said.... the only way to enable it again is to plug a usb...and unplugged it.
!!!!!
The bug starting when we enable the lowest brightness!!!!!!!
I'm having the same problem. If you don't set the brightness to the lowest, it won't happen. So, this will be consideration between stability and use duration
Just the Backlight is turned off.
I have the same problem. Use an external light source and bring light to your wildfire S and you'see it is still alive. If you are able to find your brightness settings using the flashlight, increase it and you will have your old display again... It is definetly a bug.
Hi,
so any news on this bug or whether htc is doing something about it?
Just got my WF S with the most recent software and still has this bug which is very annoying. Would be great to be able to use lower backlight for nights/less battery!!
UPDATE: using continuous lightness, I found that whenever I choose light lower than 12% it stays dark and has the bug, please HTC do something about it!!!
Has this been fixed in a custom rom or does it presist in all roms?
I had it on original and custom (CM7.2) ROMS.
Think this is general bug, too bad. or someone does NOT have this bug??
I have this bug too. But u can Try to Pull the ring in the middel, Then the Screen shoudl appear again.
I do not have this bug.
Stock European ROM 2.3.5, jikantarus OC Kernel, BL unlocked and rooted
Hi,
as measured by Z-DeviceTest, the proximity sensor on my Desire is stuck at 0.000 cm in all lighting conditions (including a very bright torch right on top of it).
At first I suspected this was the known problem with dust settling on the sensor, but I've blown and sucked (teh-eh) with everything I have, from every angle, and the sensor is still stuck at that value.
The problem shows up both in CM7 and with the stock firmware.
I have to assume the sensor is broken.
I'm looking for ways to disable the proximity sensor, and in particular to stop it from locking the screen during calls. Naturally, since the sensor is stuck at 0.0000 cm, any time a call is initiated the screen locks up, preventing me from ending the call, dialing tones and so on.
Alternatively, I'd be happy with a way to override the screen lock via hardware buttons. The power\unlock button doesn't work
Inserting a headset during a call does unlock the screen, but naturally this is not a satisfying solution (for example, I can't use this method to make calls while driving, using the speaker).
Solutions tried with no positive effect:
- editing build.prop with "ro.proximity.delay=0"
- using trackball\volume button wake
- using screebl, screen off to control automatic screen locks
Thank you for your time.
Anyone have any pointers?
Is it really hopeless?
Are you root? If so have you considered flashing a rom with the option to disable the proximity sensor? (for example miui-au has that option)
Yes, I have a rooted device. I didn't know miui had that options, I'll check it out; thank you!
Since earlier today I started experiencing problems on my HTC Desire with the proximity sensor. For those that does not know, the proximity sensor switches the screen off when you receive or make a call and places the phone against your ear. When the call is completed and you remove the phone from your ear, the screen become active again.
In my case the moment I make or receive a call, the screen gets disabled. I do not even have to put the phone against my ear. It also means that the touchscreen is disabled and all buttons are disabled which means I cannot end the call, switch on the speaker or enable the keypad. None of the buttons, even the power one works. When the call gets ended by the other party the the screen will be enabled again. The only way to get a working phone again when there is nobody on the other side to end the call is to remove the battery.
What I also find weird is where the sensor should be, top left next to the HTC logo, is nothing. Does not matter how I look at it, there is just the black strip.
I have searched to see if there is some app that can disable the proximity sensor since I do not really need it but have found nothing. So if anybody knows of an app that can disable the proximity sensor then I would appreciate the link. If you have any other suggestions, please comment below.
Can't you enable your screen by the power button?
No i can`t
Vous.Thal said:
Can't you enable your screen by the power button?
Click to expand...
Click to collapse
I just installed CM7on my phone and the power button works.
My first suggestion would have been to test if and how the proximity sensor works, for example with this app:
play. google.com/store/apps/details?id=com.tigermonster.proxfinder
Otherwise, for just disabling the sensor there should be another app (which however requires root):
play. google.com/store/apps/details?id=com.hatcyl.android.Hardware_Disabler
(you have to remove the space in the link because as a new user I'm not allowed to post links... they don't like new users here, right?)
A bad kernel flash can cause it... flash another kernel according to the android version and rom you are using.. If cm7 and android 2.3.7 then snq- 's kernel would be nice .. if on ICS then I recommend tiamat's kernel..
http://forum.xda-developers.com/showpost.php?p=25782354&postcount=3
I have a Verizon VS98611a that i rooted through this
http://forum.xda-developers.com/g4/orig-development/root-tmo-vzw-intl-variants-soon-root-lg-t3164765
Recently, I've got an issue where the screen will randomly go dark, but not turn off. I have chekced this in a dark room and the screen remains on, but it no longers registers any touch inputs nor displays anything on the screen. The screen remains dark until I turn it off and turn it on again. I tried a screen recording app and checked the video afterwards. It seems that once the physical screen goes dark, the video shows that everything starts to run very slowly. From this, i'm guessing that the issue is either the CPU is having trouble or the GPU can't render the screen properly, although the recording seems to show that the screen is still there, but just not shown on the physical device. I checked the CPU usage though, and it doesn't seem to show issues as it is not running fully with about half of the memory free.
I have tried reflashing the stock rom with this
http://forum.xda-developers.com/g4/general/guide-lg-g4-stock-firmware-to-stock-kdz-t3107848
and the probelm persists. This also wiped root access and i have not yet restored it.
Could this be a problem with the CPU/GPU or would it be a physical problem with the hardware of the screen? If the issue is with the