Urgent Help! Stuck on boot screen - Nexus 5 Q&A, Help & Troubleshooting

I have CyanogenMod installed on my phone (newly rooted user) and I downloaded this app and it flashed kernel or something? It rebooted the phone and since then I been stuck on boot screen with Google logo. I went into recovery but when I try to wipe/factory reset it says "E: unknown volume for path [/sd-ext] Formatting /sdcard/ .android_secure...."
Even though it says at the end Data wipe complete, I reboot and Im still stuck on boot screen. Whats going on?? Need some urgent help with this

Just reflash the rom zip if you haven't just wiped the internal memory
Sent from my Nexus 5 using Tapatalk

Ben36 said:
Just reflash the rom zip if you haven't just wiped the internal memory
Sent from my Nexus 5 using Tapatalk
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Im completely new to this whole thing? Could you guide me step by step?

Flash cyanogenmod again how you did the first time.
Sent from my GT-N7105 using Tapatalk

Related

[Q] tried everything,Flashed ROM,ReSTORE nandroid,ODIN Rom..But still in Google Logo

Hi this is my second thread here..
My nexus s is stucked on google logo screen, maybe it was coz by beiing battery drained one morning and i just saw it on nexus s splash screen loop, i removed battery and turned it on but still on google logo..so i boot to recovery mod and restore it with my nandroid back up, but hanged.
My phone was unlocked using superoneclick, and installed rom manager and flashed CWM 3.0.0.5..
I can still access my phones recovery and tried to flash every rom that i had on my sdcard but when it reboot still stocked in google logo
I tried to put stock ROM which i newly downloaded and copy to my sdcard via recovery mod (mount/unmount sdcard) but when i run it i got installation aborted. I tried to unzipped the stock rom and put the backup on my cwm folder again via recovery mod(mount/unmount sdcard) when i run it i got MD mismatch..i cannot modify my etc/recovery because my phone is not booting and i cant use the file explorer to that too.
I tried the ODIN rom both I9020/i9023 i got success (pass) status, but when it reboot it still stuck on google logo..
Im thinking that this is now a hardware problem, i tried every method but it does not solved the problem.. But im still having hope because i can stiil accesss my bootloader and i can flash CWM,i can access recovery mod i can mount sdcard etc.. (also my recovery keeps returning to stock recovery so i have to reflash all over again every boot (google logo))
Anything more i could do which can save my phon?
Did you wipe system data, wipe cache, advanced>wipe dalvik-cache before flashing any rom?
If that doesn't work, try ADB pushing the zip file to your SD card instead of using clockwork recovery mounting.
Sent from my Nexus S using XDA App
peeturr said:
Did you wipe system data, wipe cache, advanced>wipe dalvik-cache before flashing any rom?
If that doesn't work, try ADB pushing the zip file to your SD card instead of using clockwork recovery mounting.
Sent from my Nexus S using XDA App
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Yeah i wiped those..i also trie pushing zip files via adb but i still get "installation aborted" and MD mismatch...
I would redownload the file then. The download may have been corrupted, hence the md5 mismatch.
Sent from my Nexus S using XDA App
peeturr said:
I would redownload the file then. The download may have been corrupted, hence the md5 mismatch.
Sent from my Nexus S using XDA App
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which brwoser should be used when downloading?actually i also done redownloading but i still get md mis-match.
Do you think i lost superuser permission, because my recovery always reflash to stock recovery..
MD mismatch means the file is corrupted through either the downloading process or transferring to SD process.
Try flashing a different rom?
Sent from my Nexus S using XDA App
peeturr said:
MD mismatch means the file is corrupted through either the downloading process or transferring to SD process.
Try flashing a different rom?
Sent from my Nexus S using XDA App
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Click to collapse
ve tried flashing different roms, i get installation aborted, and MD mismatch..
I tried flashing roms/and nandroid backup which was saved on my sdcard,when i flash them they run well and i get installation completed, but when it reboots it still stucks on google logo..when i flash the nandroid backup i noticed that it takes so long when its flashing the datas, but after waiting for a while it still succesful but when i reboot im still in google logo..
How long do you actually wait at the Google logo? If you wipe cache it usually takes a bit longer to actually boot up.
Sent from my Nexus S using XDA App
Try this
Connect to your computer and lock your bootloader using "fastboot oem lock" via adb.
Once the bootloader is locked unlock it again using "fastboot oem unlock". This wipes out everything on on your phone(including SD card). Then WITHOUT REBOOTING follow the instructions in this thread to flash CWM and get root access through superuser.
http://forum.xda-developers.com/showthread.php?t=895545

[Q] stuck on cyanogenmod logo

hey all developer,
im kinda curious about something, recently i just flash my xperia s with cm10. everything goes well at first, i mean installing the cm10 zip and the g apps. but after reboot it just wont go away from that. i did all the flashing using the flashtool. if it is my fault cuz flashing it using flashtool. then its okay. if my steps are maybe not completed do please tell me.
thanks by the way.
Anan HS said:
hey all developer,
im kinda curious about something, recently i just flash my xperia s with cm10. everything goes well at first, i mean installing the cm10 zip and the g apps. but after reboot it just wont go away from that. i did all the flashing using the flashtool. if it is my fault cuz flashing it using flashtool. then its okay. if my steps are maybe not completed do please tell me.
thanks by the way.
Click to expand...
Click to collapse
Try formatting and reflashing (doing a clean install). You could also wipe the dalvik cache after flashing and reboot before flashing gapps.
Could you explain the steps you did before installation of Rom?
And did you do
Format system
Format cache
Format data in mounts and storage as well along with wipes mentioned?
Sent from my MT11i using xda premium
For some rom installs you need to:
Wipe data
Wipe dalvik
Install rom
Wipe data
Install rom
That's right, wipe and install twice. I've also noticed that flashing gapps after my CM rom installs tends to mess things up, particularly on my D3. I install all of my Google apps manually.
Sent from my A500 using CM10 JB unofficial
I connect my phone using the usb cable and the flashtool detect my phone status, it works well. After that I use the fastboot mode and flash kernel (cm10.img) by clicking the 3rd option at the fastboot window. The process said everything that ive flash is okay. After that I did fastboot reboot. Unconnect my phone and push the volume up button when the purple led turns on. It goes to recovery mode. I did the wipe cache, then I install the cm10.zip first, when it finished, I install the gapps. After I done all those thing, I did the reboot into system as the tutorial did. When the phone reboot, its all going well. Until the cyanogenmod logo come out. The tutorial showed it tooks about couple minute and then the phone will go to the normal phone screen. But unfortunately my phone took about hours and still in the cm logo.
Sent from my LT26i using xda app-developers app
Make sure you wipe the dalvik cache. Dalvik is different than just the folder marked "cache "
Sent from my A500 using CM10 JB unofficial

[Q] Is my Nexus 5 damaged?

So, firstly I'd like to explain a bit about my device.
It's currently Rooted, has CWM installed and it's on Cataclysm Rom.
When in recovery mode, it usually takes longer than it used to when clearing the cache. It takes 4 mins???
When in recovery I install roms for this device, they usually don't work. I wipe data/cache. and install the .zip.
It boots, sometimes it doesn't. Sometimes it loops.
Then when restoring the backup I had made. I boot into recovery mode, and go in restore backup it says. E: Cannot mount Storage.
I leave the Nexus for a day whilst switched off, then go into recovery it mounts storage... Sometimes it doesn't detect it, sometimes it doesn't.
So my question is, is my phone damaged in any way?.
Try twrp
Sent from my Nexus 5 using Tapatalk
Yeah try twrp, I haven't had any issues with it..
Sent from my Nexus 5 using xda app-developers app
If you want the CWM UI, go for Philz Touch!
KrishXDA said:
So, firstly I'd like to explain a bit about my device.
It's currently Rooted, has CWM installed and it's on Cataclysm Rom.
When in recovery mode, it usually takes longer than it used to when clearing the cache. It takes 4 mins???
When in recovery I install roms for this device, they usually don't work. I wipe data/cache. and install the .zip.
It boots, sometimes it doesn't. Sometimes it loops.
Then when restoring the backup I had made. I boot into recovery mode, and go in restore backup it says. E: Cannot mount Storage.
I leave the Nexus for a day whilst switched off, then go into recovery it mounts storage... Sometimes it doesn't detect it, sometimes it doesn't.
So my question is, is my phone damaged in any way?.
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Click to collapse
Nopes it is not damaged
Just reflash the latest zip recovery of recovery and try again
Sent from my Nexus 5 using Tapatalk
Maybe your partitions are screwed up somehow. If you keep having issues, grab all your stuff off your internal SD and back it up one of the times it does boot, then use the factory image from Google to flash back to 100% stock. Factory reset in stock, then redo everything from scratch and try using TWRP. A hint to, in TWRP in settings check "Use rm -f instead of format". Tends to give me less issues.

Data Partition Corrupted

I just got my Nexus 5 a while ago and I just unlocked the bootloader and flashed TWRP and as soon as I opened TWRP it basically crashed and rebooted the phone is a boot loop but now when I go to TWRP the log says Unable to mount /data and I can't do anything. Does anyone have the solution? I knew I shouldn't have rooted -_-
Have you flashed a stock cache.img yet? Thats usually the first thing to try.
Sent from my Nexus 5 using Tapatalk
Uhh
Not yet right now I'm currently using Wug's Toolkit and seeing if that helps then i'll try that. Do you have the link by any chance?
OH thank GAWD its working again thanks for your help though
what did you do in the toolkit?
Generally the consensus here is to not use toolkits. There are 2-3 "Johnny Opposite" members, but the masses of senior members see them as a bad thing.
I explain what happend.
You opened bootloader, but you flashed twrp instead of start the phone to let stock recovery finish the formating. You flashed twrp and rebooted to twrp. Twrp found the commands in the memory or on the misc partition to do a factory reset then reboot, but that format command is not compatible with twrp, so that commamd was skipped and then twrp rebooted your, because that was the next command in the line. Now your started booting with an unformated cache and data partition. The easiest way to solve the issue is to do a format data in twrp to format data partition then a factory reset to format cache.
So In the toolkit I basically flashed the stock rom and it basically factory reset EVERYTHING so now its working again thanks for the help! Now to try this over again
killerkyman said:
So In the toolkit I basically flashed the stock rom and it basically factory reset EVERYTHING so now its working again thanks for the help! Now to try this over again
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Ok thanks. It is best to do those steps manually
Sent from my Nexus 5 using Tapatalk
Yeah so I forgot to reboot before flashing recovery and entering that so now that I crossed that bridge I don't have to worry Wooh thank goodness I thought I totally messed up

Phone won't boot after automatic upgrade to 4.4.4

Hi All,
I got into this frustrating situation, I was on holiday and my Nexusus 5 went into upgrade mode to 4.4.4 I left it there after 4 hours it was locked on the boot logo with that 4 circle animation. It won't pass that screen. I decided to wait till I get home to try to do a manual update so I downloaded the
c08cce45be6d759d6fd29480f01128b18f7d4a11.signed-hammerhead-KTU84P-from-KTU84M.c08cce45.zip
And did via adb an upgrade from the device it said it was successful but it still won't boot.
I have all my photos from my holiday on the phone and that is preventing me to factory reset.
Is there anything I can do? or is really losing all my data and factory reset the only option? Maybe with a sdcard recovery tool I could try to recover the photos?
Cheers
Did you have a custom recovery before this?
All options are listed in my nexus 5 data recovery thread. Click signature to find it...
But if you don't have an unlocked bootloader, recovery is massively impaired
Sent from my Nexus 5 using Tapatalk
A factory reset does not touch the Internal SD Card. Your photos are safe. Factory reset should get you to boot. You will have to download your apps again but anything on the Internal storage like photos and music are safe unless you wipe internal storage in recovery (not an option in stock recovery)
#StayParanoid
Sandman-007 said:
A factory reset does not touch the Internal SD Card
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Click to collapse
Yes it does! In stock recovery, everything in /data is wiped including/data/media/0 or /sdcard if you will
Only custom recovery reset ignores /data/media/0
Sent from my Nexus 5 using Tapatalk
rootSU said:
Yes it does! In stock recovery, everything in /data is wiped including/data/media/0 or /sdcard if you will
Only custom recovery reset ignores /data/media/0
Sent from my Nexus 5 using Tapatalk
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Oh Sh!t thanks for the save rootSU! Havent messed up that bad since my OG Droid days. Completely forgot. Sorry OP :/
#StayParanoid

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