Cannot get into any custom recoveries - Nexus 7 Q&A, Help & Troubleshooting

I just got a N7 and after one problem came another. First problem I was able to fix (not able to unlock bootloader) but now that I did that, I cannot get any custom recoveries running. I have tried 3 different recoveries and nothing works. I just get what you see in the image every time. Any ideas or solutions?
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Sent from my Gameboy Color

If you are fully rooted and have an unlocked boot loader, I would suggest trying to boot into recovery from the app, ie ROM manager for cwm, not sure what else. I know on certain ROMs, you can boot into recovery from the power off/ reboot menu.

Hit the up and down volume key at the same time - that should push you past that screen.

Related

Getting into recovery with 3 buttons

My SGS originally has had no download mode or recovery via the buttons but after updating with kies i was able to get into download mode (some consolation). After rooting with cfroot i was able to flash custom roms but it can be quite tedious as many times i ve to use odin to reflash. Today i tried to use home and power button again after sometime again i could'nt get to recovery mode so i decided to try and use "VOL UP+HOME+POWER", LO N BEHOLD, I finally can get into recovery
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10 chars

Problem with updating cwm recovery

Hey guys,
at the moment I'm trying to go back to Stock rom. But I think my recovery is not working well, because I'm not able to do a nandroid backup or even a restore from an old backup fails every time. So I decided to renew my recovery by following this instruction http://forum.xda-developers.com/showthread.php?t=1831161&highlight=cwm
Unfortunately I´m stucking at this point where I enter this.
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I always get the message "permission denied"
USB debugging is on, I tried several usb ports and corts. Still don´t know how to move on. Hope you can help me.
Ok I solved the problem. I don`t know how, but adb root acess was disabled.

Blackscreen after flashing stock rom

After testing LineageOS over the weekend I wanted to go back to stock EMUI, so I downloaded the newest firmware from Team MT (FullOTA v167421) and flashed it via TWRP. That went through without any errors so I rebooted the phone and now I got nothing.
Basically whats described in this thread. (/huawei-p8/help/huawei-p8-black-screen-adb-recovery-t3663103 ;sorry, cant post links)I can't enter the bootloader, when connected to the PC neither adb devices, adb wait-for-device, nor fastboot-devices show anything. The only sign of life I have is in the device manager.
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Any help would be appreciated.
For anyone with the same/similar problem: I didn't find a solution for this, gave up and sent it in.

Can bootloaders be corrupted?

I don't know how exactly Android works, but I thought that bootloader was sort of protected and there is some sort of integrity verification when updating the bootloader. So, I thought no matter how I mess up N7 with a custom ROM, I could always start to the bootloader and fix it.
I flashed the stock ROM using Google's "flash-all.bat". Then, I booted N7 to a custom ROM's recovery, ran a repartition script, which failed. So I tried to flash the stock again with "flash-all.bat". It finished but then it fell into a boot-loop. Power+Volume Down does not work. Power+Volume Up shows a dead Android robot with its chest open and an exclamation mark on a red triangle. What does this situation mean, is the bootloader deleted? How can I get the bootloader screen like below (found on Google image search)?
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My S3 is stuck in recovery mode and says no command.

Hello. I bought it to root it and less than a day after rooting I get this. When I click reboot system now it just says error then turns off and back on to the same screen. have tried every option including factory reset with no luck. Please help. Thanks in advance.
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if you have a pc, you can flash twrp and try custom roms,I can help about it. İf you want to use android 4.4.4 (stock) use odin and flash it.If you still have hope after 1 year

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