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  1. #76  

    Default Re: [FIX]Black screen with custom recovery and custom roms

    Thanks! I'm a little confused, though. I suspected that flash_image was not supposed to be zipped, but either I'm downloading the wrong file, because they are all zipped when I get them, or there's something missing on my comp, because I tritried to extract it, and I got an error. Is there another place to get it from or a way to extract it before I move it to the sdcard? (Or is this one of those cases where it's only given that file extension for downloading purposes and I can just rename it without the zip extension?)

    I think I got the rest right. I didn't get any errors,anyway. Thanks again!
  2. Thread Author  Thread Author    #77  
    bigsupersquid's Avatar
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    Default Re: [FIX]Black screen with custom recovery and custom roms

    if you're getting the files from my 4shared folder as linked in the first post, flash_image has no extension and the recoveries either end in .zip if they're installable through another custom recovery or in .img if installable with flash_image.
    if they're downloading with different extensions I'd blame it on your browser or maybe you're getting them somewhere else.
    keep the wife happy with my dev time:
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  3. #78  

    Default Re: [FIX]Black screen with custom recovery and custom roms

    Thanks! That worked.
  4. #79  

    Default Re: [FIX]Black screen with custom recovery and custom roms

    Hey guys,

    First time poster...reading for the last 3-4 hours and have been flashing Android roms for awhile. Tried playing with my wife's new Optimus V and seemed to have made some mistakes.

    1) I disabled USB Debug mode when I was having some issues (slow downs, figured it was related)
    2) Post LG Boot screen is black where it would go to "Clockwork Recovery'

    So basically I can't do anything by ADB, and I can't see what's going on post LG screen. Any suggestions how to get things back to NORMAL? I did do a Clockwork backup prior to all of this, but no idea how to use it without seeing the options.
  5. Thread Author  Thread Author    #80  
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    Default Re: [FIX]Black screen with custom recovery and custom roms

    if you do have clockwork installed, adb will work in recovery.
    keep the wife happy with my dev time:
    donate!
    the THANKS button is quite acceptable if you're as stingy as me, too.
  6. #81  

    Default Re: [FIX]Black screen with custom recovery and custom roms

    Ah you were correct! Thanks for the help.

    Just took a bit more effort on my part to figure out how ADB + screencast worked.
  7. #82  

    Default Re: [FIX]Black screen with custom recovery and custom roms

    Thanks for the help in this thread and the other one squid.

    Maybe make it more clear in this post that the IHO recovery does work for the new phones and is meant to be used with the OV, unlike Xionia, however both do in fact work. That was my major problem. I just couldn't figure out which recovery was which in terms of compatibility and recommendation from the community. Other than that, great post squid!
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  8. #83  

    Default Re: [FIX]Black screen with custom recovery and custom roms

    Alright, so I too have the black screen of doom. Manage to run things fine, but in the process of trying to find a new ROM, nothing has worked. Any suggestions?
  9. Thread Author  Thread Author    #84  
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    Default Re: [FIX]Black screen with custom recovery and custom roms

    New iho roms are plug-and-play regardless of screen type.
    there's a link to the iho download wiki in the first post of this thread, or you can look in the inferior human organs thread for more info.
    keep the wife happy with my dev time:
    donate!
    the THANKS button is quite acceptable if you're as stingy as me, too.
  10. #85  

    Default Re: [FIX]Black screen with custom recovery and custom roms

    Hi every one,
    I have the black screen problem too. I can not see any thing except to LG logo in the beginning whenever I try adb shell it says : -exec '/system/bin/sh' failed No such file or directory.
  11. Thread Author  Thread Author    #86  
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    Default Re: [FIX]Black screen with custom recovery and custom roms

    it sounds like you got a bad rom flash, have you tried booting into recovery before using adb?
    (press and hold vol down+home then press power too, hold them all until after lg logo goes away)
    keep the wife happy with my dev time:
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    the THANKS button is quite acceptable if you're as stingy as me, too.
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  12. #87  
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    Default Re: [FIX]Black screen with custom recovery and custom roms

    ok i have an optimus v it was the original 2.2.1 (100% sure) and i was using regular CWM and i tried to do a restore and i only have the silver lg logo and when i try to boot into recovery it flashes for a second then goes black. i also tried to connect it to adb and adb wouldn't pick it up so is there any way to fix it? Oh ad is there a way to manually get into fastboot if i can get to that i can fix everything. ive had my phone like this for a month and school started for me and i really need this because my mother just gave birth and i need to stay in contact so any fixes will be SUPER helpful.
  13. #88  
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    Just want to add a story that might be helpful to some. One of my friends tried using rom manager on his V and wound up with a black screen when booting into recovery. Thankfully he only tried to do a backup from rom manager and didn't try and flash a rom. I knew of this thread and downloaded the proper iho recovery and tried using terminal emulator to flash it but failed. Frustrated in knowing I had the right recovery on hand but couldn't apply it I decided to search the market to see if there was an app to flash the recovery for me... I found one called flash image GUI for $.99 it said it supported the lg optimus so I decided to try it and selected the correct recovery from the sd card clicked recovery image and hit flash. Worked like a charm!! Now his phone has a good working custom recovery. This app could probably help others who aren't very skilled with the terminal emulator so I thought it should be mentioned here

    Sent from my LG-VM670 using Tapatalk
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  14. Thread Author  Thread Author    #89  
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    Default Re: [FIX]Black screen with custom recovery and custom roms

    Quote Originally Posted by megakid90 View Post
    ok i have an optimus v it was the original 2.2.1 (100% sure) and i was using regular CWM and i tried to do a restore and i only have the silver lg logo and when i try to boot into recovery it flashes for a second then goes black. i also tried to connect it to adb and adb wouldn't pick it up so is there any way to fix it? Oh ad is there a way to manually get into fastboot if i can get to that i can fix everything. ive had my phone like this for a month and school started for me and i really need this because my mother just gave birth and i need to stay in contact so any fixes will be SUPER helpful.
    I never found any manual way to get to fastboot.
    if adb recognizes your phone plugged into your pc you can get into the bootloader and use fastboot on your 2.2.1 ov (won't work on 2.2.2 zv5 baseband ov's)
    open DOS prompt in the directory containing adb
    Code:
    adb reboot bootloader
    if adb says no device present and you can't boot into rom or recovery for adb to connect the only trick I know of which can talk to your phone will flash sprint firmware and you will never have data service work on that phone again afterwards.
    keep the wife happy with my dev time:
    donate!
    the THANKS button is quite acceptable if you're as stingy as me, too.
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  15. Thread Author  Thread Author    #90  
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    Default Re: [FIX]Black screen with custom recovery and custom roms

    Quote Originally Posted by thewraith420 View Post
    Just want to add a story that might be helpful to some. One of my friends tried using rom manager on his V and wound up with a black screen when booting into recovery. Thankfully he only tried to do a backup from rom manager and didn't try and flash a rom. I knew of this thread and downloaded the proper iho recovery and tried using terminal emulator to flash it but failed. Frustrated in knowing I had the right recovery on hand but couldn't apply it I decided to search the market to see if there was an app to flash the recovery for me... I found one called flash image GUI for $.99 it said it supported the lg optimus so I decided to try it and selected the correct recovery from the sd card clicked recovery image and hit flash. Worked like a charm!! Now his phone has a good working custom recovery. This app could probably help others who aren't very skilled with the terminal emulator so I thought it should be mentioned here

    Sent from my LG-VM670 using Tapatalk
    wondered if that app worked. never tested it. thanks for the info!
    keep the wife happy with my dev time:
    donate!
    the THANKS button is quite acceptable if you're as stingy as me, too.
  16. #91  
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    Default Re: [FIX]Black screen with custom recovery and custom roms

    Quote Originally Posted by bigsupersquid View Post
    I never found any manual way to get to fastboot.
    if adb recognizes your phone plugged into your pc you can get into the bootloader and use fastboot on your 2.2.1 ov (won't work on 2.2.2 zv5 baseband ov's)
    open DOS prompt in the directory containing adb
    Code:
    adb reboot bootloader
    if adb says no device present and you can't boot into rom or recovery for adb to connect the only trick I know of which can talk to your phone will flash sprint firmware and you will never have data service work on that phone again afterwards.
    yeah I heard this happened to your dev phone but do you think you (and/or your friends) can somehow fix that whole data thing in the near future because as a teen thats all that i use. and will wifi work? Also data including mms and SMS?
  17. #92  
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    Default Re: [FIX]Black screen with custom recovery and custom roms

  18. Thread Author  Thread Author    #93  
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    Default Re: [FIX]Black screen with custom recovery and custom roms

    wifi works on my sprint radio'd ov, yes. voice calls and sms work. no mms, no 2g or 3g data.
    the last link you mentioned wasn't enough to fix it, no.
    the activate app in the stock rom doesn't work either, so all the vm settings had to be manually forced into the phone with multiple pst's (lgnpst, qpst, and others) to get the network to recognize it for voice and sms.
    not a fun or easy process, I don't advise it unless you're going to throw the phone away otherwise.
    keep the wife happy with my dev time:
    donate!
    the THANKS button is quite acceptable if you're as stingy as me, too.
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  19. #94  
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    Default Re: [FIX]Black screen with custom recovery and custom roms

    Quote Originally Posted by bigsupersquid View Post
    wifi works on my sprint radio'd ov, yes. voice calls and sms work. no mms, no 2g or 3g data.
    the last link you mentioned wasn't enough to fix it, no.
    the activate app in the stock rom doesn't work either, so all the vm settings had to be manually forced into the phone with multiple pst's (lgnpst, qpst, and others) to get the network to recognize it for voice and sms.
    not a fun or easy process, I don't advise it unless you're going to throw the phone away otherwise.
    Well if it's the only way I guess I have to go through with it :/ (dashing the sprint stuff not all the other stuff for data) and thank you very much I'm probably hoin to get a new phone once I save up my alowance (my parents don't want to buy a new one thinking I'm going to mess it up again)
  20. #95  
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    Default Re: [FIX]Black screen with custom recovery and custom roms

    Oh and if anyone (even you big squid) has any new info on getting 3G back please make a new post or comment on this page thank you
  21. #96  

    Default Re: [FIX]Black screen with custom recovery and custom roms

    Noob question here--I'm hoping to root my Optimus V because I want the option of running apps off of the SD card as well as installing apps that require rooted phones to run. I just purchased it (maybe the 4th or 5th) and it's running Android 2.2.2. Given this info, does it sound likely to black screen? I've never rooted a phone before...I think I can follow the basic rooting directions but the more intermediary steps there are the less confident I am I can do it right, so I wanna know what I'm in for before I attempt it. Any input from more experienced hands is appreciated.
  22. #97  
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    Default Re: [FIX]Black screen with custom recovery and custom roms

    Quote Originally Posted by Tristan23 View Post
    Noob question here--I'm hoping to root my Optimus V because I want the option of running apps off of the SD card as well as installing apps that require rooted phones to run. I just purchased it (maybe the 4th or 5th) and it's running Android 2.2.2. Given this info, does it sound likely to black screen? I've never rooted a phone before...I think I can follow the basic rooting directions but the more intermediary steps there are the less confident I am I can do it right, so I wanna know what I'm in for before I attempt it. Any input from more experienced hands is appreciated.
    Being a new phone, the likelihood is you will have a newer screen. I purchased my phone in September & it blackscreened in recovery. I used the screencast method to fix it. If you choose a newer recovery or rom you should be fine.
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  23. #98  

    Default Re: [FIX]Black screen with custom recovery and custom roms

    Quote Originally Posted by Chocu1a View Post
    Being a new phone, the likelihood is you will have a newer screen. I purchased my phone in September & it blackscreened in recovery. I used the screencast method to fix it. If you choose a newer recovery or rom you should be fine.
    Yeah, I figured that would probably be the case. I'm gonna use Cyanogen's latest mod, so hopefully that will solve it. Thanks for the reply.
  24. #99  
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    Default Re: [FIX]Black screen with custom recovery and custom roms

    Quote Originally Posted by Tristan23 View Post
    Yeah, I figured that would probably be the case. I'm gonna use Cyanogen's latest mod, so hopefully that will solve it. Thanks for the reply.
    You are well ahead of the game. You came here looking for info and now if something happens you have plenty of knowledge and info to get it working right.

    Good luck and welcome aboard the addiction.
  25. #100  
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    Default Re: [FIX]Black screen with custom recovery and custom roms

    Man I hate to post and expose my noobness.

    I would love to fully root my Optimus V, but I don't understand how to flash a recovery that I would be able to see.

    This is where I'm at:
    late august I get an Optimus V. This is my first smartphone and I love it. I start reading threads online, rooting looks fairly easy. I run through the noob rutine: find as many different methods to root and install a chosen rom as possible.
    get all the way through, restart.......LG
    so now half my hair is in a pile on the floor. So now I'm back at target explaining to the nice man how ball lightning traveled into my house and landed on my powerstrip just as I was plugging my phone in to charge.

    Anyway here I am my balls have dropped all over again and its time for round two.

    Rooted with Gingerbreak apk. Busy box is installed flashed clockwork.......LG

    remove battery. Verify I didn't get to far in. downloaded Xionia_kernal_clockwork img. , but I can't get terminal emulator to install the recovery.

    (update) hahahahahahahahaha got it.
    let me go clean up and smoke a cigarette then I'll try to retrace.

    I put the details over there
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