I think..I might've messed up my Captivate? - General Questions and Answers

So, I installed the Evo4G statusbar found in the Themes section of the Captivate section, and it worked fine. But today, I decided I didn't want it, so I tried to install the stock one (Also found in the same thread), and it asked me to reboot. Once I did, it rebooted, but wouldn't go past the splash screen. Well, it did, but it stayed at a constant black screen. The bottom four buttons light up if I touch them, and it vibrates if I hit it enough. But the screen doesn't seem to work. At this point, I held the Menu/Home buttons (See if it did anything?) and Safe Mode came on the bottom left of the screen. I'm able to boot into the Recovery Menu, but none of the options do anything to help with my problem..
I really need my phone, and hopefully I didn't brick it. Any ideas?

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[Q]

Hey all i am really new to this and run into a major problem. I rooted my phone with superoneclick and installed a ROM from SGS tools for my samsung captivate. When it would enter into the recovery screen it would not show the usual options but instead a screen of what looked like a pixelated mess. Once the phone started i went to restore to factory settings and now when the phone starts up I see the AT&T logo then it goes to a black screen where it stays there forever. Did i manage to screw up my phone? any help is greatly appreciated.
ok, I finally turned the phone off and left it overnight. The phone does start and work like it should. The only thing is that once you try to go to the recovery mode and the phone does its thing, I am brought to a screen that is half snowy (like the television when you dont get a certain channel) and the other half with lines of red, green, and blue. From here I cannot tell what is going on when I use the volume key to go up or down. Then with a double click of the power button the phone just restarts normally.

[Q] recovering from a softbrick

So I have an lg g2x originally running gingerbread 2.3.3 and I went through this procedure -> http://forum.xda-developers.com/showthread.php?t=1259852&highlight=linux+g2x+root
Everything seemed to work as described except that the phone now will not boot. I get to the LG screen but then the buttons just blink and shuts down and tries to boot again.
I must have missed a step somewhere, though I am not sure where that might have happened. In any case, I would like to get this working or, at the very least, get the phone back and working.
I am running linux and do *not* have access to windows at all.
Which LG screen are you getting? The static one or the one with a moving green bar underneath it? Can you still boot into Clockworkmod Recovery or was that a no go? You need to give more detailed information so people can figure out at what point in the boot process your phone is rebooting.
I get that initial booting LG screen with the face and the letters LG, there is no green bar. It sits in that screen for 15 or 20 seconds then attempts to reboot. Well, thats what I assume happens. The screen goes black, the buttons along the bottom flash and then after a few seconds that white LG screen comes back and it does it all again. It never gets past that and never into CWM. I can still put it in the flash mode that allows nvflash to connect and do its thing, but thats about it.
If you have successfully nvflashed cwm. Then you should be able to get into cwm by holding volume down+power until it goes to a blueish LG screen. Then flash a rooted rom from there.
That is the easiest/safest way of rooting a g2x. If you haven't done this you can Google "nvflash g2x Linux" and find guides on how to do it.
Sent from my LG-P999 using xda premium
Right, thats exactly what should happen. Unfortunately, its not what actually happens. During bootup I a can hold power + volume down all day long and get the exact same behavior. Its a bit disconcerting.
[solved]
Guys, I found the problem and figured I would post it here for future folks.
I was unable to start my phone plugged into the charge (both to the computer and to the wall). I had to have the battery in for this to get to a good place. I guess initial startup just took too much power.
So if you do this, after using the restore script. Press the power button and volume down hold both, then *put in the battery*. Thats what worked for me.
thanks!

[Q]Samsung Galaxy S3 screen problems

TL: DR: Screen sometimes is totally black, but otherwise the screen seems to work fine. Sometimes the phone acts completely normal. Sometimes the phone acts completely normal, but the screen is tinted green, but only after it's booted up. I can access download screen with no issue, most of the time I can get into recovery with out a problem, but not always.
I'm brand new to the GS3, but I purchased it last week on ebay (described as fully functional) since my other phone has been giving me troubles. I received it last Thursday (5/15/14), and it seemed to work fine. I have not been able to activate it yet since I did not have 4G sim card, so I've just been playing with it around the house to make sure it works until I get my 4G card from Verizon in the mail.
So Saturday comes along, and I notice that the screen is all black, but makes the usual sounds when you touch the screen. I pull the battery, and boot it back up. The Samsung logo would come up, but none of the boot animation. Nothing after the Samsung logo. It seems that if I push the power button, the phone seems to be functional, but nothing comes up on the screen. Sometimes if I push the power button a bunch of times, I can get the screen to come on. The screen looked normal, and everything worked fine, until I hit the power button. Back to the black screen. I booted into recovery, cleared the cache and did a factory wipe, and it seemed to be completely normal for a while.
I've noticed that sometimes phone acts completely normal (proper colors, screen turns off and on as it should), sometimes it works normally but the screen is tinted green (power button turns off and on the screen as it should), and sometimes, the screen is totally black, but the touch functions work normally.
Since the screen always works at boot (I can see the Samsung logo clearly and with no color distortion, but sometimes the rest of the boot animation is gone, even though I hear the boot music), and there is also no color distortion in recovery or download mode, am I likely looking at a software issue?
It is not rooted, and completely stock on 4.1.2. EDIT:Baseband is VRBMF1.
I have tried to make my problem as clear as possible, but I will clarify anything if necessary.
Thanks.
I downgraded to VRBMB1 with ODIN, and I still seem to be having the same issue (screen goes black, won't come back on), although the green tint problem hasn't happened yet. As long as I leave the screen on, it works fine. I'm thinking that this might be a problem with the power button, although I don't understand why it would allow me into download mode with no issues, but trouble doing much of anything else. I'm probably going to be sending it back for a refund, but if anyone has any suggestions, I'm more than willing to listen. Thanks.

Black Screen Of Death

Hi all
Just wondered if anyone else has had a BSOD?
Brand new out the box, my Z5 connected and Google instantly downloaded my apps and contacts associated with my account from previous phone (Sammy Galaxy S4). This was OK, but it took a while and was about 70 apps. I rebooted after it was all done, of course, but occasionally I get this damn Black screen where everything is unresponsive (can't upload screenshot yet)
The only way to wake the phone up from this dark coma is to either reboot or switch user to guest then switch back again. Nothing else seems to work. Its probably one little app incompatibility but don't know how I'm going to find it except uninstalling 1 app at a time and testing the phone to see if it reoccurs. Could take ages to figure out.
Anyone suffering from this?
YES
Finally! Someone who seemingly has the same issue as I do!
It seems to happen most often when I hit the home button from snapchat, or some other camera app, but not always. Other details about my issue:
Screen goes black, but is clearly on. Status bar can still be dragged down, notifications can be pressed but do not respond. They can be dismissed.
Home screen, back, and recent apps buttons still respond, but do not do anything EXCEPT once in a while I can get it to go to just my background... no apps, icons, or anything else. At this point, the recent apps button disappears.
Prior to getting the black screen, my phone will not lock. It will turn off the screen when I press the power button, but when I press it again it is already unlocked.
Not sure what's up, or what I can do! Rebooting the phone helps for a little while, but I get it usually once or twice a day. It seems like it happens more on weekends, but that could just be confirmation bias since I used it more.
:crying:
Hmmm...
for me it doesn't seem to be triggered by anything - it just happens. (I don't have snapchat installed)
I've uploaded the screenshot as my profile image, so you can see the back triangle is the only thing that is not blacked out, that and the very top (battery/clock,signal, etc). If I tap the screen bottom right where the square is instead of seeing a list of recent apps the screen will flicker as if the list is scrolling up the screen but it all stays dark. I'm thinking of factory reset then reinstall everything. A PIA but as I have unlimited data it's no biggy.
Thanks for replying, Vargasm, and good luck with solving it. If you find anything out post back!
I have the same issue on my Z5 premium. There is no solution except reboot it. T^T
i have the same problem here. Phone is only a week old and totally stock. Have heard it may be due to a screen protector if you use one. I am loathe to remove mine though.

Black screen except for camera? J7 Crown. no USB debugging. Recovery mode access

Situation: Samsung Galaxy J7 Crown. Never messed with. USB Debugging not enabled No special permissions (no ADB). I am able to access the Android Recovery screen. Obviously wipe cache partition didn't help, nor Lacking storage booting. Other than the Recovery and download screen: I get the Power/Restart icons when booted normally. Reset works, but power doesn't turn the phone off. No phone calls, Yes notifications. Camera from lock screen comes on (triple click on home button) and touch screen works.
I've tried to trace out the lock pattern in the hopes its still working outside this specific situation. No indication that it is.
All i want is a few sentimental pictures. Although after an entire day of frustration, finding out that the only thing that works is the camera is kinda funny and ironic.
Ive looked on XDA forums, but I'm having no luck w/ exact situation, although I'm sure someone has been in the same situation or similar enough.
Spent all day looking at options (Odin?) and nothing looks like it would work out for me.
Knowing the camera works, makes me hopeful that a mirror would work? No reaction to lock screen pattern makes me think not.
Additional (maybe irrelevant) info. Shows up on home WiFi while Find My Mobile said it was offline (makes sense with Notifications/no calls)
Any advice? Just point me in the right direction if there is one.
If not i hope you appreciate the Irony here. Thanks
(I used to be not so bad tech support, but haven't been keeping up as of late, and today was a painful reminder. Take pity on me.)
Black Screen Except Camera - Galaxy J7 Crown
Hey there anick22! I was so glad to see a search result with something referencing the camera working, on an otherwise completely black screen! I was super bummed to see that noone had replied to your plea for help with this insane problem!! I hope you found a solution by now!!
My 2 month old Galaxy J7 Crown suddenly went black on me one day, and it didn't happen as a result of a drop, or spill, or any other damage. I don't recall having put any new or different apps on it, recently, either.
The triple click of the Home button does open the camera, and the screen lights right up, perfectly. It takes it's usual beautiful pics, and I'm able to use all of the camera functions. I'm even able to view any photos I took during that particular session, buy not any prior pics, because I'm unable to unlock the phone.
"Hey Google!!" also reacts, and will display the result of any question that I may ask it, but I'm unable to go into the answers, without the ability to unlock my phone.
I have been able to get the phone into safe mode, while attempting to power it off, by pressing the power button, and then tapping on "power off" (although this hasn't worked every time I've tried). While in safe mode, "safe mode" is displayed in the bottom left hand corner, but nothing else appears on the screen.
Upon powering up the phone, all of the normal things happen. It shows "Samsung" and goes on to the blue screen to show the "Trac Fone" logo, but once the phone is booted up, the screen is black!!
PLEASE tell me that you were able to find a solution to this!!! I went and purchased a new Moto G7, (since I had a Droid Turbo 2 in the past, and it was amazing!!), and I'm beyond ready to get back to my J7 Crown!! PLEASE HELP!!
Thanks so much!!!
By the way, I'm a newbie here, as If you couldn't tell!!

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