Database Info

[Q] Internal and SD Can't mount in CWM

Hi all.
Im having some problems with this, and was hoping that some one here could help me.
I have unlocked my device, no problems.
Then i have installed CWM, no problems.
Now here my problems begin... I have copied a custom ROM zip file, onto my tablet. When i boot my tablet into CWM i get some errors in the bottom of the screen looking like this:
E:Can't mount /cache/recovery/command
E:Can't mount /cache/recovery/log
E:Can't open /cache/recovery/log
E:Can't mount /cache/recovery/last_log
E:Can't open /cache/recovery/last_log
Now when i choose to "- Install zip from sdcard" and after that i choose "- Choose zip file from sdcard" i get this error: E:Can't mount /sdcard/
Then i try to select the "- Choose zip from internal storage" but then i get this error: E:Can't mount /emmc/
Basicly i cant do anything at all in CWM without getting errors, cant even whipe the cache or anything.
Can someone help me to find out what to do now. And hopefully how to solve this?
I can boot into my androind system without any problems.
Hope some one know's what to do. Thank you in advance.
Info:
TF300T
Android 4.2.1
Kernel 3.1.10-g6f31760
CWM-based Revovery v6.0.2.3
If there is anything else you need to know to be able to help me, please ask.
Have a good day.

CWM doesnt work with the 4.2 bootloader from ASUS. Only TWRP for bootloader 4.2 seems to work. You will have to flash TWRP 2.5.0.0-tf300t-4.2. Take note you need the TWRP version with the "-4.2" at the end. Flashing the incorrect TWRP version can brick your tablet.
Download http://techerrata.com/file/twrp2/tf300t/openrecovery-twrp-2.5.0.0-tf300t-4.2.blob.
Reboot tablet and hold volume down button while it's powering up to enter fastboot mode. Do not select any of the 3 icons (RCK, Android logo, Wipe Data) on tablet. Connect tablet to PC via USB cable.
On Windows PC, cmd window type:
fastboot -i 0x0B05 flash recovery openrecovery-twrp-2.5.0.0-tf300t-4.2.blob.
On tablet, wait until blue progress bar completely fills up.
On Windows PC, cmd window type:
fastboot reboot
That should replace your CWM with TWRP.

Hello ImmovableObject.
Thank you very much for you reply, that was excatly what was wrong.. Stupid me, not checking up on that. I actually flashed another version of TWRP, so i guess i was extreemly lucky that it did not brick my tablet.
But after i flashed the right TWRP its all good, everything is working as intented, and i can make backups and flash custom roms now. Thank you very much for your help
Have a good day all.

Jrod236 said:
Hello ImmovableObject.
Thank you very much for you reply, that was excatly what was wrong.. Stupid me, not checking up on that. I actually flashed another version of TWRP, so i guess i was extreemly lucky that it did not brick my tablet.
But after i flashed the right TWRP its all good, everything is working as intented, and i can make backups and flash custom roms now. Thank you very much for your help
Have a good day all.
Click to expand...
Click to collapse
You are very much welcomed! I'm glad it worked for you.

I found this useful when I was struggling with CWM as well, very glad I was careful to pick the 4.2 blob
Thanks for the help!

Holy Crap!
I can't believe how stupid I was! I ahve always despised CWM yet I was using it on my TF300T. After searching and searching for a fix I came onto this. Great job man!

THANK YOU FOR THIS!! I too stumbled around with CM Recovery for about 30 minutes, dumbfounded by the fact that it couldn't mount either the internal or external storage. I did some research and that's when I came across this post. I can't believe they don't make any mention in any of the tutorials that CM Recovery won't work with the newest 4.2 bootloader from Asus.

Your method did not work with my TF300T, Please assist
@ImmovableObject , I've tried your method but for some reason my Tablet did not reboot with the command "Fastboot reboot" and i still get CWM-based Recovery v6.0.2.3 for recovery instead of TWRP. it did say the flash was OKAY.
Please Please help
ImmovableObject said:
CWM doesnt work with the 4.2 bootloader from ASUS. Only TWRP for bootloader 4.2 seems to work. You will have to flash TWRP 2.5.0.0-tf300t-4.2. Take note you need the TWRP version with the "-4.2" at the end. Flashing the incorrect TWRP version can brick your tablet.
Download http://techerrata.com/file/twrp2/tf300t/openrecovery-twrp-2.5.0.0-tf300t-4.2.blob.
Reboot tablet and hold volume down button while it's powering up to enter fastboot mode. Do not select any of the 3 icons (RCK, Android logo, Wipe Data) on tablet. Connect tablet to PC via USB cable.
On Windows PC, cmd window type:
fastboot -i 0x0B05 flash recovery openrecovery-twrp-2.5.0.0-tf300t-4.2.blob.
On tablet, wait until blue progress bar completely fills up.
On Windows PC, cmd window type:
fastboot reboot
That should replace your CWM with TWRP.
Click to expand...
Click to collapse

mseck said:
@ImmovableObject , I've tried your method but for some reason my Tablet did not reboot with the command "Fastboot reboot" and i still get CWM-based Recovery v6.0.2.3 for recovery instead of TWRP. it did say the flash was OKAY.
Please Please help
Click to expand...
Click to collapse
That's strange.
Was your tablet running Android 4.2?
Try waiting a little longer (5 or more seconds) before issuing the "fastboot reboot" after the message that the flash was OKAY.
Things you could also try:
* Update your fastboot.exe to the latest version. You can do this via the Android SDK Manager on your computer. Fastboot is included under "Tools" > "Android SDK Platform-tools."
* Use a different USB cable.
* Connect cable to a different USB port on your computer.

ImmovableObject said:
CWM doesnt work with the 4.2 bootloader from ASUS. Only TWRP for bootloader 4.2 seems to work. You will have to flash TWRP 2.5.0.0-tf300t-4.2. Take note you need the TWRP version with the "-4.2" at the end. Flashing the incorrect TWRP version can brick your tablet.
Download http://techerrata.com/file/twrp2/tf300t/openrecovery-twrp-2.5.0.0-tf300t-4.2.blob.
Reboot tablet and hold volume down button while it's powering up to enter fastboot mode. Do not select any of the 3 icons (RCK, Android logo, Wipe Data) on tablet. Connect tablet to PC via USB cable.
On Windows PC, cmd window type:
fastboot -i 0x0B05 flash recovery openrecovery-twrp-2.5.0.0-tf300t-4.2.blob.
On tablet, wait until blue progress bar completely fills up.
On Windows PC, cmd window type:
fastboot reboot
That should replace your CWM with TWRP.
Click to expand...
Click to collapse
Thank you! Looking for days now. I installed TWRP 2.6 and CWM 5, 6 and touch. All the same problem. Flashed the TWRP from your link and everything works fine. Thank you

Raice.f4h said:
Thank you! Looking for days now. I installed TWRP 2.6 and CWM 5, 6 and touch. All the same problem. Flashed the TWRP from your link and everything works fine. Thank you
Click to expand...
Click to collapse
Hello.
I have TG300TG that only goes to CWM-based recovery v.6.0.1.3 and can not mount sd card. I've tried the mothod described here, but I can't get to fastboot mode. When I hold vol down it only goes to CWM again and again.

ImmovableObject said:
CWM doesnt work with the 4.2 bootloader from ASUS. Only TWRP for bootloader 4.2 seems to work. You will have to flash TWRP 2.5.0.0-tf300t-4.2. Take note you need the TWRP version with the "-4.2" at the end. Flashing the incorrect TWRP version can brick your tablet.
Reboot tablet and hold volume down button while it's powering up to enter fastboot mode. Do not select any of the 3 icons (RCK, Android logo, Wipe Data) on tablet. Connect tablet to PC via USB cable.
On Windows PC, cmd window type:
fastboot -i 0x0B05 flash recovery openrecovery-twrp-2.5.0.0-tf300t-4.2.blob.
On tablet, wait until blue progress bar completely fills up.
On Windows PC, cmd window type:
fastboot reboot
That should replace your CWM with TWRP.
Click to expand...
Click to collapse
Hello everyone.
I have same issue even with TWRP recovery 2.5.0.0
First of all when recovery starts i have a password request, don't know why but i press cancel and recovery starts normaly,
But when i select "install" i see internal storage (0 MB), nothing it's recognized into internal SD card.
I really need help for this issue, i'm in your hands guys :crying:
Device: TF300T
ROM: Asus Stock

ultimate_technologies said:
Hello.
I have TG300TG that only goes to CWM-based recovery v.6.0.1.3 and can not mount sd card. I've tried the mothod described here, but I can't get to fastboot mode. When I hold vol down it only goes to CWM again and again.
Click to expand...
Click to collapse
I have the same problem, to actually get back to the bootloader and select RCK or Android do this:
Once CMW is loaded open command and do
adb reboot-bootloader
that also enabled fastboot again but I'm still not able to load TWRP
---------- Post added at 01:50 AM ---------- Previous post was at 01:13 AM ----------
So just like the previous few posts I too installed CWM and I can't reflash TWRP.
Here's the output from the console:
D:\Android SDK\sdk\platform-tools>fastboot -i 0x0B05 flash recovery openrecovery
-twrp-2.5.0.0-tf300t-4.2.blob
sending 'recovery' (6448 KB)...
OKAY [ 2.699s]
writing 'recovery'...
OKAY [ 2.254s]
finished. total time: 4.955s
D:\Android SDK\sdk\platform-tools>fastboot devices
???????????? fastboot
D:\Android SDK\sdk\platform-tools>
Device is unresponsive to any commands and must be rebooted manually. Once I reboot the device loads to the CWM Recovery unless I run "adb reboot-bootloader" and then I can choose to boot the ROM. So at least it's not bricked.

Fix
Found this posted by buster.
So if you're TF300T is booting directly to recovery and you can't get to fastboot do what I post above:
1. Let recovery load
2. With recovery loaded you can now use adb. enter: adb reboot-bootloader
3. You should now be at the bootloader screen (RCK, Android, Wipe screen). Do this:
Originally Posted by Buster99 View Post
I have the same on my TF300t and A700 - but it seems i just managed to get my TF300t back
i tried all fastboot (reflashing recovery, boot, system etc) no dice - especially since writing system was done after 3 secs all the time.
Here how i restored my TF300T JB
download your appropriate lates firmware from Asus (WW, US etc.) and extract the zip twice so you have your blob file
install your device drivers if needed (i used Google SDK ones) (and as a Tip Win8 sucks for Fastboot stuff so try to get Win7 Vista XP for this)
Reset your device with a paperclip/needle (about 2 cm down of your sdcard slot) and hold vol-down to enter fastboot
(the folowing i did at least 10 times already but didn't erase misc)
fastboot -i 0x0B05 erase system
fastboot -i 0x0B05 erase recovery
fastboot -i 0x0B05 erase userdata
fastboot -i 0x0B05 erase boot
fastboot -i 0x0B05 erase misc
fastboot -i 0x0B05 erase cache
fastboot -i 0x0B05 flash system c:\adb\TF300t\blob (this is my path - your's may vary depending where you stored your blob) ((also this was the first time i saw the loading bar while flashing)*
fastboot -i 0x0B05 reboot
* it also took a lot longer as it should:
C:\>fastboot -i 0x0B05 flash system c:\adb\TF300t\blob
erasing 'system'...
OKAY [ 1.695s]
sending 'system' (800935 KB)...
OKAY [133.121s]
writing 'system'...
OKAY [153.973s]
finished. total time: 288.789s
im now setting my tab up to get back to CM (which initially caused this sh1theap due to autoupdate error, same as my A700 got bricked )
hope i could help you out!
cheers
-Buster
Click to expand...
Click to collapse
As Buster said
this was the first time i saw the loading bar while flashing
Click to expand...
Click to collapse
Before flashing I was not able to fastboot reboot-bootloader but this time I was.
Hope this helps

Many Thanks
Raice.f4h said:
Thank you! Looking for days now. I installed TWRP 2.6 and CWM 5, 6 and touch. All the same problem. Flashed the TWRP from your link and everything works fine. Thank you
Click to expand...
Click to collapse
All thanks for this thread, it solved my problem and now am rooted.
Again many thanks,
Gary

twpr is working
flashed twpr v2.5.0.0
works great so far, but it takes a little more time to load than cwm.

help!
right guys, I'm completely green when it comes to stuff like this so apologies if my questions are too daft.
I tried to root my tablet and forgot to back it up, tired few things I found online and got myself in a position where I can't use fastboot as my tablet is taking me to CWM recovery straight away and holding volume key and power makes no difference... any ideas? apart from throwing my table in a bin?

Everest Recovery won't stay (fastboot takes no effect)

Hi everyone,
!!!IMPORTANT!!! It seems that anything i do in fastboot takes no effect, i erased userdata + cache but when i reboot all apps and settings are the same as before the erase..although fastboot tells me everything has been done and worked and using stock recovery to wipe all data won't work neither.
i have a curious problem with my mothers Xoom 3G (Everest).
What I have done:
1. fastboot oem unlock (worked)
2. fastboot reboot-bootloader (worked)
2. fastboot flash recovery XXX.img (worked)
4. fastboot reboot (worked)
5. I have not rebootet to stock rom i have directly tapped volume down and selected andoid recovery
6. I see the Adroid Droid with the fu.....ing Triangle
I have tried 3 different Recovery Images all been flashed correctly but everytime i try to get to recovey it is the stock one.
It seems like the stock recovery gets flashed over the custom one in the second i reboot the device.
I never startet the Xoom furher than to the M logo..
I followed the wiki.cyanogenmod Guide.
I hope someone ca help me!
Greets Jonas

[Q] Stuck in a boot loop after using ASUS unlock tool

Hi guys,
I had a stock tf700, running ICS (4.1.1) and I followed the really good guide by sdbags on how to unlock/root.
I rooted it with no problems, and used the ASUS unlock tool which seemed to work (it says that my device in unlocked), but now I am stuck in a boot loop
It fully boots up and can stay working for about 30 seconds to a minute and then it just reboots.
I can get access to the bootloader but I have no idea what I'm doing. I haven't installed TWRP yet either.
I'm sceptical of just hitting "wipe data" as I hear I could brick it for good.
Any help would be greatly appreciated....I'm really at a loss!!

I've seen this behavior when the kernel was newer than the bootloader and incompatible - but if you haven't installed anything yet this is unlikely to be the reason for your problems. You can try to enable USB debugging, run "adb pull /proc/last_kmsg" and see if that file contains any interesting information about the reboot.
If you want to wipe data, you can choose RCK from the bootloader menu - if it loads the stock recovery (Android mascot with red triangle), you know that the recovery is good and you should be safe to run "wipe data". I have only seen the stock recovery once and that was almost 2 years ago, but if you press the Power button in the recovery, you may even get a menu from which you can wipe directly from the recovery (use power and volume keys to navigate).

Discard this post
HTC maxx

_that said:
I've seen this behavior when the kernel was newer than the bootloader and incompatible - but if you haven't installed anything yet this is unlikely to be the reason for your problems. You can try to enable USB debugging, run "adb pull /proc/last_kmsg" and see if that file contains any interesting information about the reboot.
If you want to wipe data, you can choose RCK from the bootloader menu - if it loads the stock recovery (Android mascot with red triangle), you know that the recovery is good and you should be safe to run "wipe data". I have only seen the stock recovery once and that was almost 2 years ago, but if you press the Power button in the recovery, you may even get a menu from which you can wipe directly from the recovery (use power and volume keys to navigate).
Click to expand...
Click to collapse
Thanks for the advice. I chose RCK from the bootloader menu but it just boots normally....no Android mascot. Am I doing something wrong there?excuse my complete newbness)
Is there a big risk in running "wipe data"? If I haven't installed any custom ROMs or flashed anything yet, is the risk of a brick slightly reduced?

bnscow said:
Thanks for the advice. I chose RCK from the bootloader menu but it just boots normally....no Android mascot. Am I doing something wrong there?excuse my complete newbness)
Click to expand...
Click to collapse
There's not much one can do wrong here - turn on tablet and hold volume-down until the bootloader menu appears, then hit volume-up to confirm "RCK", that should boot the recovery. If it starts the regular OS instead, something is wrong.
bnscow said:
Is there a big risk in running "wipe data"? If I haven't installed any custom ROMs or flashed anything yet, is the risk of a brick slightly reduced?
Click to expand...
Click to collapse
I wouldn't risk it if you can't even get to recovery manually ("wipe data" uses the recovery to wipe - if the recovery doesn't work, it's a hard brick).
Try installing TWRP via fastboot.

_that said:
There's not much one can do wrong here - turn on tablet and hold volume-down until the bootloader menu appears, then hit volume-up to confirm "RCK", that should boot the recovery. If it starts the regular OS instead, something is wrong.
Click to expand...
Click to collapse
Thanks for the advice. I took a couple of days break but I'm back trying to fix it.
I tried RCK and it just boots to a dead android man with the triangle error.
_that said:
Try installing TWRP via fastboot.
Click to expand...
Click to collapse
Also, I tried flashing TWRP via fastboot but after entering the flash recovery command, I keep getting an error message after entering saying "Too many links". Do you have any idea why that may be? I'm flashing TWRP 2.6.3.2
Thanks in advance!

Asus TF700T Tablet fix
Try this, it worked for me....and the standard disclaimer: I am not responsible if you misunderstand instructions I give here, if my instructions are wrong, if you forget to charge the battery and the tablet dies halfway through a flash or if your house goes up in flames. YOU DO THIS AT YOUR OWN RISK
Ok, so I think that I may have lost power during an upgrade (can’t think of any other reason for it!!) and ended up soft bricking my Asus TF700T tablet and recovery attempts would just lead to the dead Android with a red triangle with an exclamation point in the middle. My warranty having expired with Asus and any attempt for their assistance proved fruitless.
Well I researched and tried absolutely everything out there – (Hard Reset, installing TWRP, used a tool called Motochopper and flashing a custom ROM, downloaded and renaming .zip files, putting it onto a Micro SDcard is formatted Fat32, Scotts Tf700t Recovery etc.etc. etc.)
I even took it to the local shops and paid to have one of the Mobile Technician pop-up stores take a look at it, then a friendly techno geek………all with the same suggestions most likely a motherboard/hard drive problem.
My Asus TF700T tablet eventually ended up with just the plain white ASUS logo in the middle of the screen, some small print in the top left corner followed by the dreaded words “Unrecoverable Bootloader Error (0x00000000)”.
During all of my research I was led to believe that if you can still get to the recovery screen, where you see the 4 icons, all is not lost so I persisted.
Here is the instructions that I followed that restored my TF700T:
Download and install ADB, Fastboot and the required drivers - Download and run this cool little tool which has it all packed into one: [TOOL] [WINDOWS] ADB, Fastboot and Drivers - 15 seconds ADB Installer v1.1 - xda-developers (don't forget to hit the Thanks button)
NOTE: at the moment Fastboot seems to have issues with Windows 8
This awesome tool installs the ADB and Fastboot.exe to a folder on your C:\ drive (look for a file titled “adb”) as well as the corresponding drivers. This takes about 15 seconds to install following the prompts.
I installed the device drivers - if you have already tried to connect the tablet to your PC and it's recognised as a portable device you should be ok. If not, download the Asus Sync Utility from their support/downloads site and install it.
Download the latest firmware from Asus (Always make sure that you download the correct SKU version -WW, US etc.) and extract the zip twice so you access the blob file (a blob is a collection of binary data stored as a single entity) – copy and paste this blob file into the previously mentioned “adb” folder on your C:\ drive.
Reset the device with a paperclip/needle (about 2 cm down of the SDcard slot)
Power down the tablet and disconnect it from the keyboard dock.
Connect it to your computer via the original USB cable.
Push and hold the Volume Down key (left side of the rocker) and the Power key until you feel the tablet vibrate twice. Let go when you see the tiny script. Read it and it tells you that your tablet is now in Fastboot mode and you will see three or 4 icons (depending on the bootloader version). Select the USB icon to get into the Fastboot mode.
Your PC should acknowledge that a USB device has been connected (an audible indication) Don’t panic if the device does not appear under “My Computer” (as mine did not either – Fastboot will still communicate with it), you can go into Control Panel/Hardware and Sound/ Device Manager and you may see “Fastboot” icon, expand this and the device will be represented again by the “Fastboot” icon. Right click, select “Properties”, Driver tab and then select “Update Driver” and allow it to search automatically and update from the internet. This should then update and change to Asus icons. You now can be certain that you have the current device drivers.
In Windows Explorer navigate to the folder that contains your adb.exe and fastboot.exe
Win 7 press Shift + right click and select "Open command window here".
In the resulting command prompt screen type the following codes (those in bold):
C:\adb\ (or whatever the path to your fastboot folder is..)
fastboot devices (If that command returns a string of numbers and letters, you are good as gold. If it returns: "No devices found", fastboot is not working - yet - and you have to troubleshoot)
Followed by each in turn of the below, selecting Yes as required and allowing each to complete the process:
fastboot erase system
fastboot erase recovery
fastboot erase userdata
fastboot erase boot
fastboot erase misc
fastboot erase cache
The resulting screen should look something like this below – NOTE, I did make a couple of typos while I was attempting this which returned some multiple choice garble if this happens recheck you input instructions:
E:\asus>fastboot erase system
******** Did you mean to fastboot format this partition?
erasing 'system'...
OKAY [ 1.979s]
finished. total time: 1.980s
E:\asus>fastboot erase recovery
erasing 'recovery'...
OKAY [ 1.023s]
finished. total time: 1.025s
E:\asus>fastboot erase userdata
******** Did you mean to fastboot format this partition?
erasing 'userdata'...
OKAY [ 39.623s]
finished. total time: 39.624s
E:\asus>fastboot erase boot
erasing 'boot'...
OKAY [ 0.303s]
finished. total time: 0.304s
E:\asus>fastboot erase misc
erasing 'misc'...
OKAY [ 0.602s]
finished. total time: 0.603s
E:\asus>fastboot erase cache
******** Did you mean to fastboot format this partition?
erasing 'cache'...
OKAY [ 1.459s]
finished. total time: 1.460s
fastboot -i 0x0B05 flash system c:\adb\TF700T\blob - depending where you stored your blob, also this was the first time that I saw the loading bar appear on my tablet.
It will now go through the process of reinstalling your Android stock ROM and you should see the something similar to the following:
E:\asus>fastboot -i 0x0B05 flash system e:\asus\blob
erasing 'system'...
OKAY [ 1.731s]
sending 'system' (800935 KB)...
OKAY [134.276s]
writing 'system'...
OKAY [131.640s]
finished. total time: 267.649s
fastboot -i 0x0B05 reboot
E:\asus>fastboot -i 0x0B05 reboot
rebooting...
finished. total time: 0.020s
E:\asus>
I disconnected and rebooted My Asus TF700T and I now have a fully functioning Tablet with a stock ROM.
It has been reported that after completing this you may have some issues getting back get into recovery, hitting RCK and getting the dreaded dead Android (with a red triangle with an exclamation point in the middle). I have not attempted this but have been led to believe that flashing TWRP 2.7.0.1 via Fastboot works.
All acknowledgement and appreciation for this method should go to Buster99, a Senior Member of XDA Developers
http://forum.xda-developers.com/showthread.php?t=2179759&page=2
And to Snoop05, also a Senior Member of XDA Developers for the awesome ADB/Fastboot/Driver tool.
http://forum.xda- developers.com/showthread.php?t=2588979
To whom I am most grateful for the return of my tablet to a working state, I hope this works for you. Good Luck.

Unable to boot into recovery menu

Hey I just got a tf300 for cheap and decided to put a rom on it. I got twrp installed and got root access. The version of twrp was too old and when I updated it and got into twrp I was prompted for a password. I figured something was wrong with the version of twrp I installed and I could go go back to the previous version of twrp by using fastboot but I am unable to get into fast boot.
I hold power and volume down but it boots right into twrp. I'm not able to get it to boot normally either it just boots into twrp. Has anybody run into this or have any ideas why I can't get power + volume down to bring up the recovery menu?
EDIT: Oh and adb doesn't see any devices either.
EDIT #2: It seems that my pc kind of recognizes that something is installed. It shows up on Device Manager as "Transformer" with the yellow exclamation point. I haven't been able to find any drivers that work with it. Anyone have a link?
EDIT #3: Ok I forced the universal naked drivers to install and adb devices now shows tf300 in recovery. When I put in adb reboot bootloader it comes up with the rck android and wipe data. I used fastboot to load my original twrp blob that was working fine. I get:
I:\tf300>fastboot -i 0x0b05 f
sending 'recovery' (6448 KB).
OKAY [ 1.895s]
writing 'recovery'...
OKAY [ 2.862s]
finished. total time: 4.757s
But when I go into recovery its still the version of twrp that was causing issues and it still asks for a password.
I figured i'd do a fastboot erase of boot, cache, recovery, system, userdata and then fastboot the original twrp blob but I get:
I:\tf300>fastboot erase boot
< waiting for device >
EDIT #4: It seems that adb recognizes by device but fastboot does not. Entering fastboot devices returns blank. Anyone know if this is an issue with the driver?

Anyone?

Ok after a couple of hours of hair pulling I figured it out.
Fastboot was definitely not working witht tf300 due to drivers. Since I couldn't find any drivers for windows. I booted up my trusty linux server, installed android-tools-fastboot and voila sudo fastboot devices shows the tf300t.
Reloading twrp did not work so I tried formatting the partitions by doing the following:
fastboot erase system
fastboot erase recovery
fastboot erase userdata
fastboot erase boot
fastboot erase misc (The first couple of times I did this, I missed this one which caused bootloader to hang when installing twrp)
fastboot erase cache
I then installed the working version of twrp I had originally by:
fastboot –i 0x0b05 flash recovery twrp.blob
I then rebooted into recovery and twrp works great without any password prompt or errors that it could not access the partitions.
I user twrp to flash 2.7.01 version of twrp and rebooted, I then used twrp to flash CM11 snapshot M7 and gapps, cleared cache and davlik and then rebooted.
The CM spinning animation took a while but then it booted into CM.
The topics I got all this info from are too numerous to mention. I hope this helps anyone that has ran into the same situation.

[A700] Booting failed

Hi to XDA comunity
... and happy festive season
I tried to install a new ROM. So, I followed tutorials and I have a huge problem
I passed to unlock the tablet
But, when I tried to install the new Recovery, the installation failed and now, the tablet doesn't want to boot
When I boot normaly, in recovery mode or Fastboot mode, I get this message :
Code:
Bootloader Version JB-653b3d3 (Unlock Mode)
Entering boot menu mode
Booting failed
Bootloader VJB-653b3d3(UnlockMode): Starting Fastboot USB download protocol
When I send "Fastboot device", the device is shown
When I send "Fastboot flash recovery twrp-2.6.3.0_a700.img"
Code:
sending 'recovert' <5736 KB>...
But still indefinitely
So I stop and retry and I obtain
downloading 'boot.img'...
FAILED <commande write failed <Unknow error>>
finished. total time: 0.???s
i tried to erase recovery and retry.
Tried with several USB cables.
I don't know what to do...
I guess it's a fastboot problem ? How can I found a fastboot file ?
Thanks for any help !

grimnnir said:
Hi to XDA comunity
... and happy festive season
I tried to install a new ROM. So, I followed tutorials and I have a huge problem
I passed to unlock the tablet
But, when I tried to install the new Recovery, the installation failed and now, the tablet doesn't want to boot
When I boot normaly, in recovery mode or Fastboot mode, I get this message :
Code:
Bootloader Version JB-653b3d3 (Unlock Mode)
Entering boot menu mode
Booting failed
Bootloader VJB-653b3d3(UnlockMode): Starting Fastboot USB download protocol
When I send "Fastboot device", the device is shown
When I send "Fastboot flash recovery twrp-2.6.3.0_a700.img"
Code:
sending 'recovert' <5736 KB>...
But still indefinitely
So I stop and retry and I obtain
downloading 'boot.img'...
FAILED <commande write failed <Unknow error>>
finished. total time: 0.???s
i tried to erase recovery and retry.
Tried with several USB cables.
I don't know what to do...
I guess it's a fastboot problem ? How can I found a fastboot file ?
Thanks for any help !
Click to expand...
Click to collapse
make sure you have the a700 and not the a701 or a510 etc etc....
also, you could try booting directly into fastboot:
1. power off
2. hold power and volume down, while you're doing that, constantly change the rotation switch from lock unlock lock unlock.... keep doing it for about 5 seconds
try flashing from here... it might give you the same result but worth a try.
other possible problems:
1. the recovery you downloaded is corrupt
2. the recovery you downloaded was not a working version
3. you might not have the right usb drivers installed
4. you might have used the wrong recovery commands
5. command (sometimes) needs to be Run as Administrator on Windows (right click)
6. you might have waited too long to reboot to recovery, or used the wrong method to do it
it might make it easier for you if you just rename recovery on computer to recovery.img (so you can just type fastboot flash recovery recovery.img)
also, I have uploaded a copy of the recovery I'm using (it's newer)

you can also try (while in fastboot)
Code:
fastboot boot twrp.img
(or any custom recovery)
It should boot without flashing, and from there you're will be able to flash firmware, ROM, etc...

Shreps said:
you can also try (while in fastboot)
Code:
fastboot boot twrp.img
(or any custom recovery)
It should boot without flashing, and from there you're will be able to flash firmware, ROM, etc...
Click to expand...
Click to collapse
it might be fine but personally I would not try that... recovery and boot are not to be confused and bootloaders are not to be messed with