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[Q] My Nexus S cannot boot

Hello,
I was trying to root my Nexus S, and in the mean time don't know what failed, but now I cannot boot.
If I boot normally, pressing the power button, it gets stucks in the screen showing "Google" and nothing happens.
I can access the recovery menu if I press the volume up button while pressing the power button. I tried to reload images and recover from them, but it always get stucks in the image of the android with the exclamation.
My question is, does any of you know how I can repair my booting? At this point I don't care if I lose the root or not.
Thank you!

The exclamation is probably the stock recovery do you know how to use ADB
Sent from my HTC Desire HD using XDA App

yes, I know how to use it, not an expert but i know how to use it.

try this
http://forum.xda-developers.com/showthread.php?t=1105892

duendecito_vivo said:
Hello,
I was trying to root my Nexus S, and in the mean time don't know what failed, but now I cannot boot.
If I boot normally, pressing the power button, it gets stucks in the screen showing "Google" and nothing happens.
I can access the recovery menu if I press the volume up button while pressing the power button. I tried to reload images and recover from them, but it always get stucks in the image of the android with the exclamation.
My question is, does any of you know how I can repair my booting? At this point I don't care if I lose the root or not.
Thank you!
Click to expand...
Click to collapse
seems like you never flashed to stock or bad flash try full wipe and flash either rooted stock or custom rom

Didn't help, no useful solution in that thread, however will keep an eye there if something new comes up.
Anyone experienced the same problem ?

sammael1069 said:
seems like you never flashed to stock or bad flash try full wipe and flash either rooted stock or custom rom
Click to expand...
Click to collapse
how to do it ?

duendecito_vivo said:
Didn't help, no useful solution in that thread, however will keep an eye there if something new comes up.
Anyone experienced the same problem ?
Click to expand...
Click to collapse
this guy pulled battery and wiped dalvik-cache
http://forum.xda-developers.com/showthread.php?t=1042452&highlight=boot+loop

duendecito_vivo said:
how to do it ?
Click to expand...
Click to collapse
in clockwork mod
-advanced-wipe dalvik cache
but from root and stuck on bootloop you might need to reflash the rooted stock rom. it is usually PDxx.IMG what root method did you use? did you get any errors?

I got no errors.
I already tried to flash with several differents .img, but none worked so far... I tried really a lot differents. Always get stuck at booting.

sammael1069 said:
this guy pulled battery and wiped dalvik-cache
http://forum.xda-developers.com/showthread.php?t=1042452&highlight=boot+loop
Click to expand...
Click to collapse
It didn't work

duendecito_vivo said:
I got no errors.
I already tried to flash with several differents .img, but none worked so far... I tried really a lot differents. Always get stuck at booting.
Click to expand...
Click to collapse
Hello!
If you see the triangle and ! when you go into recovery, then you just need to flash clockworkmod recovery. Then you can flash a ROM.

if your in clockwork do full wipe then flash new img i always do this order
-mounts and storage
-format /cache
-format /data
-format /system
-back to advanced
-wipe dalvik cache
-wipe battery stats
-*****go back****
-wipe data/factory reset
-now flash rom

already tried, didn't work... nothing happens

the same happens, still get stuck during booting....

after wipe do you see rom install

sammael1069 said:
if your in clockwork do full wipe then flash new img i always do this order
-mounts and storage
-format /cache
-format /data
-format /system
-back to advanced
-wipe dalvik cache
-wipe battery stats
-*****go back****
-wipe data/factory reset
-now flash rom
Click to expand...
Click to collapse
I did it, still getting stuck in Google screen during booting

duendecito_vivo said:
the same happens, still get stuck during booting....
Click to expand...
Click to collapse
how long is it in boot some can go 10 min.
first boot is always long
which rom are you flashing

sammael1069 said:
how long is it in boot some can go 10 min.
first boot is always long
Click to expand...
Click to collapse
Really, so long? Ok, I will wait

duendecito_vivo said:
Really, so long? Ok, I will wait
Click to expand...
Click to collapse
Ok, more than 10 mins booting, nothing happens.

[Q] I am Bricked....i think

Ok, So i rooted my T-mobile G2x 2.3.3 and there were difficulties when i flashed the Cyanogen 7mod. The Rom worked but the only default was i didnt get data. Like i couldnt even get Edge. The only way to use internet and stuff was through wifi. SO then i reflashed it thinking it was a bad flash. But when i reflash through rom manager it gives me the option to downoad with google apps. so i clicked that option. It downloaded fine but on the reboot it stayed stuck on the 2nd LG screen. Am i bricked or if anyone can help id appreciate it alot.

U can't do it via rom manager. U have to flash recovery using nv flash, then u can try to flash custom rom. Remeber to wipe data and format system before flashing any rom.
U r not bricked yet
Check here to nv flash the cwm
http://forum.xda-developers.com/showthread.php?p=13330067
Sent from my LG-P999 using xda premium

Did you flash CWM via NV Flash. If not, do that. Then boot into recovery by holding down the power + volume down keys until you get the second boot logo. Then wipe the dalvik cache and the regular cache. That is usually why a phone refuses to boot.
Also, if your phone turns on it is not bricked. Bricked means when you press the power button nothing happens at all. You can be soft-bricked like you are, but it can be easily fixed. Nothing to panic about.

I did all of that im sorry if i gave you info wrong. Like i cant do anything it turns on but goes to the first LG screen then goes to the new LG screen with the blue streaks and it stays there. Then when i try to go into CWR it shows the LG with a blue and black loading bar below then shows as if its loading something then it just goes back to the blue LG screen and im stuck there.

iSpooNz said:
I did all of that im sorry if i gave you info wrong. Like i cant do anything it turns on but goes to the first LG screen then goes to the new LG screen with the blue streaks and it stays there. Then when i try to go into CWR it shows the LG with a blue and black loading bar below then shows as if its loading something then it just goes back to the blue LG screen and im stuck there.
Click to expand...
Click to collapse
You have stock recovery on the recovery partition, not CWM. You MUST flash CWM onto the physical recovery partition using NVFlash with the One Click flasher. You used Rom Manager and that doesn't install CWM onto the recovery partition. Once you have CWM properly installed you can enter recovery and revive your phone.

jboxer said:
You have stock recovery on the recovery partition, not CWM. You MUST flash CWM onto the physical recovery partition using NVFlash with the One Click flasher. You used Rom Manager and that doesn't install CWM onto the recovery partition. Once you have CWM properly installed you can enter recovery and revive your phone.
Click to expand...
Click to collapse
Ok so from CWM do i wipe everything?

jboxer said:
You have stock recovery on the recovery partition, not CWM. You MUST flash CWM onto the physical recovery partition using NVFlash with the One Click flasher. You used Rom Manager and that doesn't install CWM onto the recovery partition. Once you have CWM properly installed you can enter recovery and revive your phone.
Click to expand...
Click to collapse
@OP, this is is correct. Use tga gunmann's nvflash tool from the development section. The process is super easy. Just make sure to follow his instructions closely. Just fyi, most people get errors during the nvflash process because they don't install the apx drivers appropriately, so take your time and read the instructions carefully.

iSpooNz said:
Ok so from CWM do i wipe everything?
Click to expand...
Click to collapse
Start off by wiping cache and then go to Advanced and wipe dalvik cache. If you still can't boot after that then try a full factory reset.
Just remember the first boot after wiping dalvik cache can take several minutes as android rebuilds the dalvik cache. All subsequent reboots will be MUCH faster.

phburks said:
Start off by wiping cache and then go to Advanced and wipe dalvik cache. If you still can't boot after that then try a full factory reset.
Just remember the first boot after wiping dalvik cache can take several minutes as android rebuilds the dalvik cache. All subsequent reboots will be MUCH faster.
Click to expand...
Click to collapse
Ok so i ended up having to do a factory reset yet im still getting the same results. Im still stuck on the 2nd lg screen when booting up

iSpooNz said:
Ok so i ended up having to do a factory reset yet im still getting the same results. Im still stuck on the 2nd lg screen when booting up
Click to expand...
Click to collapse
Did you do as phburks said and go into advanced and wipe the Dalvik Cache. Most issues of not booting are related to the Dalvik Cache not being wiped after flashing a new rom. That is essential to getting your phone to boot again. A factory reset DOES NOT clear the Dalvik Cache.

iSpooNz said:
Ok so i ended up having to do a factory reset yet im still getting the same results. Im still stuck on the 2nd lg screen when booting up
Click to expand...
Click to collapse
Boot back into cwm, go to Mounts and Storage, format /system and then reflash your rom.

phburks said:
Boot back into cwm, go to Mounts and Storage, format /system and then reflash your rom.
Click to expand...
Click to collapse
Ok ill try that.
jboxer said:
Did you do as phburks said and go into advanced and wipe the Dalvik Cache. Most issues of not booting are related to the Dalvik Cache not being wiped after flashing a new rom. That is essential to getting your phone to boot again. A factory reset DOES NOT clear the Dalvik Cache.
Click to expand...
Click to collapse
Yea i wiped Dalvik cahce and the same result came up. So i factory resetted and same result. So im going to try what phburks said and see what happens.

Im still stuck in the second LG screen :/

iSpooNz said:
Im still stuck in the second LG screen :/
Click to expand...
Click to collapse
Could be a bad download. I'd try downloading again. Use your computer to download again and save it to your microsd card. Then reinsert the sdcard, boot back into cwm and try again.

phburks said:
Could be a bad download. I'd try downloading again. Use your computer to download again and save it to your microsd card. Then reinsert the sdcard, boot back into cwm and try again.
Click to expand...
Click to collapse
download the rom right?

iSpooNz said:
download the rom right?
Click to expand...
Click to collapse
Yea the rom. Is it cm7 that you're wanting to flash?

phburks said:
Yea the rom. Is it cm7 that you're wanting to flash?
Click to expand...
Click to collapse
The reason I ask is that with cm7 you have to flash 2 separate zip files. First you flash the actual cm7 zip which installs the rom and then you flash the gapps zip which installs the Google apps (market, gmail, etc). Make sure you have both on your sdcard and then flash the rom first and gapps second.

phburks said:
The reason I ask is that with cm7 you have to flash 2 separate zip files. First you flash the actual cm7 zip which installs the rom and then you flash the gapps zip which installs the Google apps (market, gmail, etc). Make sure you have both on your sdcard and then flash the rom first and gapps second.
Click to expand...
Click to collapse
Im glad you brought that up because when i first flashed Cyanogen i did also flash gapps but after i flashed gapps thats when i wouldnt get data. Do you know the reason for this? or was it could have been another bad flash?

iSpooNz said:
Im glad you brought that up because when i first flashed Cyanogen i did also flash gapps but after i flashed gapps thats when i wouldnt get data. Do you know the reason for this? or was it could have been another bad flash?
Click to expand...
Click to collapse
Not sure. I'd just play it safe, re-download both, wipe data, and reflash both. Sometimes its hard to determine which step went wrong and its best and quicker to just start with a clean slate and redo everything.

I wont be able to post for a while so good luck.

[Q] Possible Brick?

All,
I updated to the latest RebelRom today but had an issue with the email client so tried to re-flash the previous version (forgot to make a backup...). Somehow during this re-flash the phone rebooted so the flashing never took.
Now when I go into recovery(TWRP) I get the TWRP splash screen and then it boot loops.
I've tried flashing the recovery again (2.4.0.0) and flashing the boot.img again however this continues to happen.
I tried a factory reset and it too just boot loops on me.
Any suggestions or is this bricked good?

overkil6 said:
All,
I updated to the latest RebelRom today but had an issue with the email client so tried to re-flash the previous version (forgot to make a backup...). Somehow during this re-flash the phone rebooted so the flashing never took.
Now when I go into recovery(TWRP) I get the TWRP splash screen and then it boot loops.
I've tried flashing the recovery again (2.4.0.0) and flashing the boot.img again however this continues to happen.
I tried a factory reset and it too just boot loops on me.
Any suggestions or is this bricked good?
Click to expand...
Click to collapse
Ruu and start over

a box of kittens said:
Ruu and start over
Click to expand...
Click to collapse
Ruu? Can you go into some details, please?

Shouldnt have to ruu.. Download latest twrp. Verify checksum. Fastboot flash recovery recovery.img then download clean rom or viper put on sd, wipe cache, dalvik, system, factory reset in twrp and install rom.
Sent from my One X using xda app-developers app

exad said:
Shouldnt have to ruu.. Download latest twrp. Verify checksum. Fastboot flash recovery recovery.img then download clean rom or viper put on sd, wipe cache, dalvik, system, factory reset in twrp and install rom.
Sent from my One X using xda app-developers app
Click to expand...
Click to collapse
I can flash the recovery fine but I can't get into recovery. Just the splash screen then it reboots to the HTC screen and loops.

overkil6 said:
I can flash the recovery fine but I can't get into recovery. Just the splash screen then it reboots to the HTC screen and loops.
Click to expand...
Click to collapse
If it's boot looping then you're not flashing recovery just fine.... If recovery flashed fine then when you select recovery from the bootloader, it would boot to recovery..
Sent from my One X using xda app-developers app

overkil6 said:
I tried a factory reset and it too just boot loops on me.
Click to expand...
Click to collapse
Factory reset is not what you think it is. It just formats the user partition. If the ROM is not properly flashed, factory reset isn't going to help. Common mistake, since the term "factory reset" is a bit of a misnomer. It implies that it returns the phone to factory condition, which is quite often not the case.

hi
overkil6 said:
All,
I updated to the latest RebelRom today but had an issue with the email client so tried to re-flash the previous version (forgot to make a backup...). Somehow during this re-flash the phone rebooted so the flashing never took.
Now when I go into recovery(TWRP) I get the TWRP splash screen and then it boot loops.
I've tried flashing the recovery again (2.4.0.0) and flashing the boot.img again however this continues to happen.
I tried a factory reset and it too just boot loops on me.
Any suggestions or is this bricked good?
Click to expand...
Click to collapse
try to do
Fastboot erase cache
then again install recovery, may be it work for you.

What screen shows up when you choose recovery in bootloader?
Sent from my One X using Tapatalk 2

Do the following:
Turn your HTC On.
Holdbfhe power for 15-20 seconds.
Release, when the device flashes.
Press and hold the volume down button.
Press the power button for 3 seconds, and release.
Keep your finger on the volume down button.
This should take you to bootloader, download the latest
TWRP For your HTC.
Flash it with fast boot flash recovery twrp.Evita.version here.IMG
You should now be able to enter Recovery. I suggest getting the Avatar ROM, experiencing no current errors IMO If this has worked, please reply.

arunkarnwal1981 said:
try to do
Fastboot erase cache
then again install recovery, may be it work for you.
Click to expand...
Click to collapse
Found this tidbit elsewhere and it indeed worked! Thanks!

Won't Boot Up

So I just got my Nexus 5. Unlocked the bootloader. Booted into TWRP and installed SuperSU. Rebooted device and it was stuck booting up with the nice 4 circles.
Rebooted back into the bootloader. Did a full factory wipe with the image and flash-all.bat from google. Still will not bootup after the flash-all reboots. Stuck on the loading screen. Tried this 2x now.
Any ideas?

Have you tried a wipe cache and dalvik?

sorcio91 said:
Have you tried a wipe cache and dalvik?
Click to expand...
Click to collapse
I did a full factory wipe with google image.

killer2239 said:
I did a full factory wipe with google image.
Click to expand...
Click to collapse
Go to the stock recovery and do a factory data reset.

abaaaabbbb63 said:
Go to the stock recovery and do a factory data reset.
Click to expand...
Click to collapse
Good call. All is fine now it seems.

Nexus 5 dead

Hello everyone!
I tell you yesterday my nexus 5 suddenly stopped working.
Restarts and fails to enter the desktop , running in an infinite loop when Google logo appear.
I tried to flash the images and the problem continues . I dont know what else to do for the boot disappears. I also made a clean install and wipe .
Some of you could help me ?

joniii said:
Hello everyone!
I tell you yesterday my nexus 5 suddenly stopped working.
Restarts and fails to enter the desktop , running in an infinite loop when Google logo appear.
I tried to flash the images and the problem continues . I dont know what else to do for the boot disappears. I also made a clean install and wipe .
Some of you could help me ?
Click to expand...
Click to collapse
Why create a new thread?
Full wipe/factory reset, then flash the entire factory image set.
Look here if you don't know what to do:
http://forum.xda-developers.com/goo...urce-guides-info-threads-linked-read-t2784527

I've done it more than 10 times the full wipe and still not working. Same with factory flashes...

Are you getting any errors when flashing stock with fastboot?

joniii said:
I've done it more than 10 times the full wipe and still not working. Same with factory flashes...
Click to expand...
Click to collapse
Are you trying to flash the lollipop or kitkat factory image?
Anyway, after flashing when you get the bootloop, go to fastboot and flash a custom recovery and then do a factory reset, cache and delvik cache wipe. This should do the trick.

theesotericone said:
Are you getting any errors when flashing stock with fastboot?
Click to expand...
Click to collapse
no errors when im flashing, all OK with "./flash-all.sh".-
dinuweera said:
Are you trying to flash the lollipop or kitkat factory image?
Anyway, after flashing when you get the bootloop, go to fastboot and flash a custom recovery and then do a factory reset, cache and delvik cache wipe. This should do the trick.
Click to expand...
Click to collapse
i did all that you tell me. i do a factory reset, cache and dalvik but my N5 doesnt work. Continue in an infinity loop :/
I downloaded the image-hammerhead-lrx21o, radio-hammerhead-m8974a-2.0.50.2.21 and bootloader-hammerhead-hhz12d.
Any idea?

Try flashing a kitkat rom by the "Ncry" tool. Click the Restore menu button and select device and rom.

impossible
always stuck in and infinite bootloop... i think any component (hardware) isnt working well

joniii said:
no errors when im flashing, all OK with "./flash-all.sh".-
i did all that you tell me. i do a factory reset, cache and dalvik but my N5 doesnt work. Continue in an infinity loop :/
I downloaded the image-hammerhead-lrx21o, radio-hammerhead-m8974a-2.0.50.2.21 and bootloader-hammerhead-hhz12d.
Any idea?
Click to expand...
Click to collapse
Flash the whole image (radio, image, bootloader) in fastboot by typing in cmd: flash-all. This will wipe the device but will not cause problems.

i did it too bro, but nothing...
Here im posting a video i recorded for you... (i put a song from youtube to mute the sound of my room)
https://www.youtube.com/watch?v=q-JjjzSfhF4

Any idea please?

joniii said:
Any idea please?
Click to expand...
Click to collapse
Looks like a hardware problem. Either Google RMA or LG Repair.

I bought it in Amazon
May i have rma if I bought on Amazon?
LG Chile doesnt has official repair...
So I had to buy another cell, a moto x 2014.. Bye nexus

it looks like hardware is at fault, can you relock the bootloader?, do that if so, i dont know if amazon do rma, contact them and find out,
strange if you get no issues while flashing,

I think so. I will check about invoce and RMA.
Thank all of you