[Q] When rebooting sometimes I see distortion (Running CM7.2) - Optimus One, P500, V Q&A, Help & Troubleshooting

So sometimes when I reboot my phone goes all wonky and i see like static on my display but it doesn't move. I feel the vibrate of the phone booting into the ROM and I can even unlock the screen (though i cannot see the unlock screen just white static like noisy stuff) Sorry if this is a noob question, this is not my phone and I am not familiar with it.

Dont OC too much.. 729 and less is okay!!

I don't think I clocked higher than that. I'll check. Have you had this issue before?
Sent from my SGH-T959 using xda premium

Related

[Q] What problems still exist after update?

It appears that both LG and T-mobile are putting a LOT on the hope that this update has indeed fixed all of the problems plagued with the G2X. But to be honest with you, I only notice 2 differences with the update...gps and data speed.
Problems I'm still having:
Random reboots
Lock-ups when switching from USB storage on to off
Sleep of death (try to wake the screen with the power button, and you can see some kind of slight light behind the black screen, but requires a battery pull)
Camera is dark, dark, dark
MP3 Ringtone at max volume when call is coming in is distorted
I will edit this if I think of more, but I have to go handle some business en el bano.
Please reply if you are having these issues, not having these issues, or if you have other issues.
mmapcpro said:
It appears that both LG and T-mobile are putting a LOT on the hope that this update has indeed fixed all of the problems plagued with the G2X. But to be honest with you, I only notice 2 differences with the update...gps and data speed.
Problems I'm still having:
Random reboots
Lock-ups when switching from USB storage on to off
Sleep of death (try to wake the screen with the power button, and you can see some kind of slight light behind the black screen, but requires a battery pull)
Camera is dark, dark, dark
MP3 Ringtone at max volume when call is coming in is distorted
I will edit this if I think of more, but I have to go handle some business en el bano.
Please reply if you are having these issues, not having these issues, or if you have other issues.
Click to expand...
Click to collapse
Only problems ppl complaining about is not having lg camera in gb
Sent from my GT-P1000 using Tapatalk
mmapcpro said:
Problems I'm still having:
Random reboots
Lock-ups when switching from USB storage on to off
Sleep of death (try to wake the screen with the power button, and you can see some kind of slight light behind the black screen, but requires a battery pull)
Camera is dark, dark, dark
MP3 Ringtone at max volume when call is coming in is distorted
Click to expand...
Click to collapse
So basically this update has fixed nothing?
I had no problems before update except for some minor black light bleed. After update I had a few sleep of death issues happened 4 time in the few days running the update. Yesterday I flashed the rooted update and have had No problems yet.
Sent from my LG-P999 using XDA Premium App
It fixed my wifi, it's like night and day now. Battery has very slightly improved. LG camera is gone. Overall though, I'm happy.
I was happy but just had a random shutdown. First one hopefully last. That is with the update
Sent from my LG-P999 using XDA App
I really HATE the new buttons on the keyboard...as well as the fact that double hitting spacebar no longer equals a period. I know they're petty, but they annoy the f*** out of me.
bballcat03 said:
I really HATE the new buttons on the keyboard...as well as the fact that double hitting spacebar no longer equals a period. I know they're petty, but they annoy the f*** out of me.
Click to expand...
Click to collapse
Should be a setting under the keyboard settings to re-enable the double tap period shortcut.
G2X CM7
omarsalmin said:
So basically this update has fixed nothing?
Click to expand...
Click to collapse
I know right? Since I updated my phone still won't help me make an army of tiny, laser toting robot minions. Stoopid LG.
Sent from my butt using XDA Premium App
My problems got worse. GPS won't lock on now, and when it does, it's like 30 miles off.
Getting more freezes and reboots.
Finally decided to try a warranty replacement!
The update fixxed all the reboot problems for me, however my GPS still takes forever to get a fix, and once when checking for a text message i was expecting, i would turn the screen on and off every 15 seconds or so for about 2 minutes, which eventually led to the screen getting stuck. Everything seemed to work (slight vibrate when using the unlock slider, able to feel buttons being touched through the vibration), just the screen was frozen. Weird bug, was fixxed with a battery pull and a restart though.
for those wanting the lg camera app on gingerbread, couldnt you just make a backup of the application with titanium backup and restore? Or is it not compatible on gingerbread?
Sent from my HTC Glacier using XDA Premium App
I have the following issues:
1. Phone turned off while charging overnight
2. During calls, it cuts in and out almost constantly (or every several seconds)
3. Battery life hit the crapper (due to Juicedefender not turning off radio and bloatware present again since I'm not rooted anymore)
I haven't gotten any reboots or lockups, yet
Wifi is pretty solid now
Somewhat better performance, although it lags a bit when woken up
d12unk13astard said:
for those wanting the lg camera app on gingerbread, couldnt you just make a backup of the application with titanium backup and restore? Or is it not compatible on gingerbread?
Sent from my HTC Glacier using XDA Premium App
Click to expand...
Click to collapse
Not yet compatible.
G2X CM7
Lakonikos said:
The update fixxed all the reboot problems for me, however my GPS still takes forever to get a fix, and once when checking for a text message i was expecting, i would turn the screen on and off every 15 seconds or so for about 2 minutes, which eventually led to the screen getting stuck. Everything seemed to work (slight vibrate when using the unlock slider, able to feel buttons being touched through the vibration), just the screen was frozen. Weird bug, was fixxed with a battery pull and a restart though.
Click to expand...
Click to collapse
Regarding GPS, just curious if you have wireless networks enabled under Settings > Location and Security
G2X CM7
Just got the OTA this morning and I've noticed much faster GPS lock and vastly improved call quality (no more drop outs!). Only been a few hours though so this is just my initial impressions. Would love it if the battery life improves but I'll have to wait and see.
My phone is way faster now and I even got a quadrant score above 3000 but it's locked up and rebooted 3 times today so I have mixed feelings.
Sent from my LG-P999 using XDA App
cuda340 said:
My phone is way faster now and I even got a quadrant score above 3000 but it's locked up and rebooted 3 times today so I have mixed feelings.
Sent from my LG-P999 using XDA App
Click to expand...
Click to collapse
My Quadrant speeds are the same as before... Around 2800.
I've had several random reboots today and only had maybe 4 over the last 3 months with Froyo. Trying out some different ROMs, xboarders tweaked, to see if that corrects some of the problem.

[Q] screen issue....maybe?

I got my charge as a replacement for my fascinate like many others. befor i do anything i wanted to give the phone a few days on stock to make sure everything works fine. So far the only thing i noticed was sometimes it lags when i hit the power button to turn the screen on. Sometimes it flashes a static filled screen for a split sec before home screen loads. also some times it takes a sec for my screen to come back on after i lower the phone from my face so i can hang up. Is this just a little minor known issue others are having or is there something wrong with my phone possibly? Phone is all stock, fully bloated and the only apps ive installed are xbox live stats and google googles (coolest app ever). I doesnt do it all the time but it happens frequently enough to notice it. I can normally recreate it if i hit power button to turn screen off and let it sit a few mins then hit the button again to turn it back on.
When running completely stock, I experienced the same 2-3 second delay. Now that I am on EE4 with a custom kernel, the delay is closer to 1 second.
NotATreoFan said:
When running completely stock, I experienced the same 2-3 second delay. Now that I am on EE4 with a custom kernel, the delay is closer to 1 second.
Click to expand...
Click to collapse
did you ever see black/white lines or static? I only ask because if its a common thing that most have exp then its really no big deal. ill root and flash to help fix the lag. But if its not then i would like to get it fix asap. Other then that i havent seen any other issues yet.
I see the lines and"static" on mine when the screen comes on. Not every time though.
Sent from my SCH-I510 using XDA App
Undzis said:
did you ever see black/white lines or static? I only ask because if its a common thing that most have exp then its really no big deal. ill root and flash to help fix the lag. But if its not then i would like to get it fix asap. Other then that i havent seen any other issues yet.
Click to expand...
Click to collapse
I have seen it on occasion. It's much less noticable on a custom kernel and ROM.
Undzis said:
did you ever see black/white lines or static? I only ask because if its a common thing that most have exp then its really no big deal. ill root and flash to help fix the lag. But if its not then i would like to get it fix asap. Other then that i havent seen any other issues yet.
Click to expand...
Click to collapse
I have that on mine too.
(Out of the box EE4 stock)
Thanks for posting everybody. It seams like its a common issue then. I just wanted to make sure it wasn't just mine or that i needed to return it due to some kinda of defect. Nice to know a custom kernel will fix it for the most part. Thanks again guys. This phone is so much nicer then the fascinate
I set a lock pattern on my phone, and I haven't seen the screen flicker once since. I'll switch back to the puzzle lock and see if it comes back....standby.
*update* switched back and still no flicker. Maybe that's the ticket.
Sent from the UKB Galaxy using XDA App.
I have it on two replacement phones I got through amazon . White lines for a split second . I got it replaced through verizon because both of the others had a dead glowing red pixel after about a week. The one I got from verizon works great I would get it replaced asap before u get the glowing red dot of doom
Sent from my SCH-I510 using XDA Premium App

question about black screen of death

usually you will get the black screen of death when:
-after a phone call
-during/after charging
-when hitting the power button to turn off or turn on your screen.
do you think that the gingerbread launcher is causing this problem?
Ive read on other forums on different phones that the launchers were causing the same problems on their phone as well and when they switched launchers, it all stopped.
is this a reasonable explanation?
Nope. It happens to my wife on GO Launcher as well.
Sent from my LG-P999 using xda premium
??
what is the black screen of death? or am i better off not knowing. lol
i have go launcher on my phone and wad curious if i have experienced the black screen of death. sounds scary lol
Aestetics said:
usually you will get the black screen of death when:
-after a phone call
-during/after charging
-when hitting the power button to turn off or turn on your screen.
do you think that the gingerbread launcher is causing this problem?
Ive read on other forums on different phones that the launchers were causing the same problems on their phone as well and when they switched launchers, it all stopped.
is this a reasonable explanation?
Click to expand...
Click to collapse
Only SOD I ever come across is the call SOD. That happens when running Trinity kernel on CM7 or CM7 based roms. Morfics updated Trinity kernel I assume has fixed the SOD as I haven't come across it while running CM7's nightly 199.
Sent from my LG-P999 using XDA App
suicidalintentions said:
what is the black screen of death? or am i better off not knowing. lol
i have go launcher on my phone and wad curious if i have experienced the black screen of death. sounds scary lol
Click to expand...
Click to collapse
This is when your phone goes on permanent "sleep" as in your screen wont turn on. Only way to turn it on is to do a batt pull and reboot.
Sent from my LG-P999 using XDA App
i use 2.3.7 eaglesblood running the trinity kernal and knocn on wood no problems at all. Hope i dont get that phone disease.
The kernel is the problem. I've said it a million times. Its why CM7 based roms don't do this and those with custom kernels. My Asus transformer did this (tegra 2) until a custom kernel came out.
Change the kernel and fix the SoD.
LG G2x - 2.3.7 CM7
Asus Transformer - 3.7 Revolver OC/UV
Black Screen of death
I recently flashed EB 2.3.7 / 2.5 (runs amazing by the way) but have one small issue. When charging my phone at night it goes into perm. sleep mode for the last 3 nights. My wake up call never goes off . I read somewhere it may be kernel related, so I flashed faux .46 hoping that would resolved sleep issue. It has not, anyone else have any insight?
Thanks.
That happens sometimes or stock ROM.
Sent from my LG-P999 using xda premium
gman87 said:
This is when your phone goes on permanent "sleep" as in your screen wont turn on. Only way to turn it on is to do a batt pull and reboot.
Sent from my LG-P999 using XDA App
Click to expand...
Click to collapse
Hold the power button down for a long time. After about 30-45 seconds, something will usually happen. Sometimes the home screen will flash on for a second and then go black again, sometimes the home screen will come on but will be in a frozen state and won't accept input, and sometimes the screen will come back on normal. This will allow you to avoid a battery pull maybe a quarter to a third of the time you get an SOD.

Strange flickering issue

Hi guys,
Last night after flashing a kernel my phone was stuck in boot loop..so I turned off the phone and connected to charge, morning I saw that whole night it was in loop.
Later fixed the loop issue, but now no matter which rom I am on the place where the icon dock is it flickers and has a shadow of Samsung logo I can relate this to the boot loop that caused burnt pixel.
If I keep brightness to the lowest it is not visible yet the moment wallpaper is a light colour and brightness is high it is visible, I want yo know your opinion is it a hardware issue or is it something that might go off with time ?
Regards
Arif
Sent from my GT-I9003 using xda app-developers app
Yes. This hw issus.
when in startup time (bootlooping time) the lcd brigtness is max. So you have it whole night, it is very high possibility of lcd burn mark.
hope it can gone by time.
Sent from my GT-I9003 using Tapatalk 2
The screen is a little damaged, it probably heated up with the max brightness and the same picture, it will go away with usage by itself.
There are many apps that can solve this, they change every pixel to many colors very fast.
It will self correct itself
Hey thanx both for your response ..so far it seems that I got lucky and the flickering issue is gone after some hours of usage and rest
I have seen these issue on laptops and we have ended in replacing the lcd for the customers, flickering in laptop happens due to backlight issue, I was afraid that if backlight is gone I am axed as here also we have backlight as it's an lcd..so I think it was an issue of over heating that had left that mark and when it cooled down it become normal !
Sent from my GT-I9003 using xda app-developers app

dead backlight and possible backup solution

hello GS3'ers my brother has some gs3 problems
his gs3's back light appears to have died out. he can still use the phone just can't see what is going on, the sounds still work and everything. has anyone come across this before? i told him to hold a flashlight to the screen so he's able to backup his pictures and what not but the screen is really black. which is his main concern right now, because he wants save his things and then return the phone if he has to.
any help is much appreciated, thanks!
My understanding of the GS3 is that since it is an AMOLED screen, it does not have a backlight. Each individual pixel emits light. My guess would be an app is causing the problem, possibly one that alters screen brightness. I would start by pulling the battery and restart the phone. If you see a boot animation, your screen's not dead.
Sent from my SCH-I535 using xda premium
that makes sense because the flashlight thing didn't work. he restarts his phone and even the boot logo is happening during a pitch black screen but the sound could be heard. it's gotta be something more serious
Sent from my DROID X2 using Tapatalk 2

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