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Thread: Can't boot into recovery but can boot normally

  1. #1
    Soundwave
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    Can't boot into recovery but can boot normally

    Hi,

    In preparation for installing a custom ROM on my TF201 I've been try to install a custom recovery. I've installed the customer recovery (see steps I used below), but I can't get it to boot in recovery. When I try to boot to recovery it just hangs after displaying the message "Booting recovery kernel image". It's not bricked though; if I hold down the power button it it reboots normally. I've tried the Clockworkmod recovery, Clockworkmod touch recovery and TWRP with the same results.

    Here are the steps I've following (on TF201 running Android 4.1.1):

    1) Rooted using motochopper, and verified that it worked using RootChecker.
    2) Unlocked the bootloader using the Asus tool. It now says "The Device is Unlock" when booting.
    3) Installed Clockworkmod ROM Manager (V5.5.3.7)
    4) From within ROM Manager used the Flash Recovery Image option to flash CWM recovery (V5.8.3.4).
    5) Rebooted to recovery from within ROM Manager, but hangs as described above. Have also tried reboot using the power/volume button but the results are the same.

    When this didn't work I tried installing the the CWM Touch recovery (V5.8.3.4), and then the TWRP recovery but got the same result.

    Thinking that perhaps there was a problem with the way ROM Manager was flashing the image, I used fastboot to flash the recovery image from my Windows PC. The command appears to work, but the result are the same. Here's the command I used:

    fastboot.exe -i 0x0b05 flash recovery recovery-clockwork-5.8.3.4-tf201.img

    Any help appreciated.

    Hugh

  2. #2
    Soundwave
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    Running into the same thing...did you find a solution?

  3. #3
    Soundwave
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    Haven't found a solution yet. No responses here, and haven't found anything elsewhere on the internet.

    Hugh

  4. #4
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    Rom Manager doesn't play well with Asus products. I would uninstall Rom Manager and see if you can get into recovery.

  5. #5
    Soundwave
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    Still no luck. I've uninstalled ROM Manager, then used fastboot to install TWRP as follows...

    $ adt-bundle-windows-x86_64-20131030/sdk/platform-tools/fastboot -i 0x0b05 flash recovery openrecovery-twrp-2.5.0.0-tf201-JB.img
    sending 'recovery' (7726 KB)...
    OKAY [ 3.525s]
    writing 'recovery'...
    OKAY [ 2.040s]
    finished. total time: 5.565s

    It still hangs when attempting to boot into recovery, but boots normally of you hold down the power button for a while.

    Hugh.

  6. #6
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    I'm not sure if this is the problem you are having, but in order for the recovery to install properly, you have to reboot into android first..if you try to directly boot into recovery after using fastboot then the recovery will not get permanently written to the device. If everything is right, you should see an blue line progress across the screen on that first boot. Only then does the recovery install


    Sent from my Nexus 4 using Tapatalk
    *I apologize for any spelng mistakes. I frequently answer questions on my phone. The content is (usually) good, but the words may not be intelligible. If you cant understand my post... check back later or call me out on it.
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  7. #7
    Soundwave
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    Thanks for the suggestion, but still no luck.

    I tried installing the recovery image again with fastboot, then issued a reboot command:

    $ adt-bundle-windows-x86_64-20131030/sdk/platform-tools/fastboot -i 0x0b05 flash recovery openrecovery-twrp-2.5.0.0-tf201-JB.img
    sending 'recovery' (7726 KB)...
    OKAY [ 2.768s]
    writing 'recovery'...
    OKAY [ 1.941s]
    finished. total time: 4.709s

    $ adt-bundle-windows-x86_64-20131030/sdk/platform-tools/fastboot -i 0x0b05 reboot
    rebooting...
    finished. total time: 0.548s

    however the tablet didn't reboot. After waiting a while I rebooted by holding the power button down, but I didn't see any blue line during the boot, and am still unable to boot into recovery.

    Hugh

  8. #8
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    Rather than using the fastboot reboot command, I would try running through the recovery installation in fastboot, then just hold the power button for about 12-15 seconds and see if that is successful.


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  9. #9
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    Yes. Using the fastboot command won't load it either. I have seen instructions that specifically say you must manually reboot into android by holding the power button to turn the tablet off and then turning it on again.

    Sent from my Nexus 4 using Tapatalk
    *I apologize for any spelng mistakes. I frequently answer questions on my phone. The content is (usually) good, but the words may not be intelligible. If you cant understand my post... check back later or call me out on it.
    Tf300 Root and Custom ROM Guide!!_________Clean Install Windows 10 and Drivers______Tf700 Root and Custom ROM Guide!!

    Android Master Help Guide
    ______
    T100 Master Help Guide_____ T100 FAQ Thread

    Devices: Asus TF300t [Deceased], Asus t100TA -64GB, Google Nexus 6P

  10. #10
    Soundwave
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    I've tried installing the recovery again, then rebooting using the power button but still no luck. I don't see any blue line during boot so it looks like the recovery isn't getting applied for some reason.

    Hugh

 

 
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