TF101 Won't Enter APX Mode

brando56894 · Jul 18, 2012

If you want to offer help PLEASE read through the thread, or at least the initial post. It seems like I'm repeatedly answering the same questions that were already answered.

I've tried to boot in APX and all I get is the black screen, yet neither Windows 7 64bit/Linux Mint 64 on one PC and Windows XP on another don't detect it at all. I know the cable works because when I had CWM installed I could see it attached via ADB. I'm a b30

Edit: I managed to get the stock ROM back on it, but it still doesn't want to boot into the bootloader/APX mode. I know it's not necessary but I would like to have it as a failsafe for the future.

1234556789 · Jul 18, 2012

brando56894 said:
This all started with me wanting to go back from AOKP to stock, I flashed a rooted version of 9.2.1.17 and it kept telling me to update, but when I did it failed because CWM was installed. It also wiped my system. I found 9.2.1.24 but couldn't flash it because TWRP wouldn't stick. I tried to install the stock recovery, which worked in a sense that it removed CWM but left me with just the Android and the exclamation point (I can't seem to get past that no matter what I do [vol +, Vol -, power or any combination of those] ) I decided to use NVflash to get back to complete stock and start over.... The only problem is that Windows 7 doesn't even detect the TF when its in APX mode, hence it doesn't ask me to install the drivers, nor will they install manually.

So my TF is soft bricked and nothing works. I'm going to reboot into Linux now to see if I can get nvflash working. Any other suggestions?

Edit: Linux Mint didn't detect it either I know it's not the cable since I was able to see the TF via ADB when I had CWM installed. Also the major thing that is worrying me is will the TF be recoverable if the battery dies? I have no way of knowing if it is actually off or just in APX mode, I obviously can't do a battery pull and I can't power it down from the recovery or the OS. IIRC it also won't charge when it is in recovery and I'm assuming the same is true for boot-up and APX mode.

Same to me-- win7 does not recognize my tf 101- apx is installed-works with another transformer well- if i do vol down and then vol up i see the laying android with exclamation mark.
no solution till now- hope you had more luck-
By the way- try to load it normal - in my case it works.
kind regards
gandalf

brando56894 · Jul 18, 2012

I just tried connecting it to an older Dell with a P4 in it and it doesn't detect it either, it just seems like the TF doesn't want to boot into APX mode. I'm doing Vol + and Power from both the recovery and from the initial splash screen, then it reboots to a black screen which I'm assuming is APX mode. From the black screen I've tried Vol + and Power for as long as 30 seconds and still nothing. There were also times when it would sit at the initial splashscreen and then go to a black screen, then I'd try to enter APX mode from there but it would be the same thing.

I've been contemplating getting a Nexus 7, partially because I lightly stepped on the screen of my TF one night and damaged it enough to cause the LCD crystals to break (there about two or three grayish "lines" where I stepped on it) but not hard enough to crack the glass. The screen will also flicker some times on that side and will also randomly shut the screen off. Maybe this is a sign telling me to get a N7?

Rumbleweed · Jul 18, 2012

Do you have debug mode enabled?
Where did you get the win 7 APX mode software. Some links in this site are to defective software. Go to the SDK kit site and download the software there. http://developer.android.com/sdk/index.html

gls9 · Jul 18, 2012

Rumbleweed said:
Do you have debug mode enabled?
Where did you get the win 7 APX mode software. Some links in this site are to defective software. Go to the SDK kit site and download the software there. http://developer.android.com/sdk/index.html

Debug mode is for ADB, not APX. Debug mode is set in Android and with APX no Android is loaded.

I have used the live cd of Ubuntu 11.10 without installing any driver by myself. It recognized the TF with APX in my case.

brando56894 · Jul 18, 2012

There is no debug mode considering that the OS isn't installed. AFAIK debug mode is only necessary to use ADB while booted into Android. APX is something that is built in to the device. I downloaded the drivers from android.mobi which has an "unroot/unbrick" package, that doesn't matter though because Windows never asks me to install the driver so the drivers don't seem to be the problem, considering Linux (which doesn't require any drivers) doesn't see the device either.

goenieg · Jul 18, 2012

I had the same, downloaded the drivers, but couldn't install.

After I made sure I had the correct drivers, I clicked in hardware settings on the thingy with the exclamation point, I choose manual search and had Windows search the entire c:\ drive, after a while it installed

Sent from my Transformer TF101 using xda premium

brando56894 · Jul 18, 2012

That's my problem guys. APX mode/unknown device doesn't show up in device manager

goenieg · Jul 18, 2012

oi, than I cant help you, sorry

brando56894 · Jul 18, 2012

I think it's F'ed because I took it apart to make sure it was turned off by disconnecting the battery and then did the power and Vol+ combo but the PC still doesn't detect it.

vista1984 · Jul 18, 2012

1. your battary is empty, charge it
2. your battary is done.
3. your power key or vol-up key do not work.
4. you did not press two keys in the same time long enough
5. cable doesn't work
6. usb port doesn't work, try another one.
7. you did not pay attention on the sound of device connected nor the device list.
8. your windows broke. try another pc.

---------- Post added at 11:39 PM ---------- Previous post was at 11:33 PM ----------

get a micro sd and copy rom to it and flash, since you said cwm works ok

brando56894 · Jul 18, 2012

vista1984 said:
1. your battary is empty, charge it
2. your battary is done.
3. your power key or vol-up key do not work.
4. you did not press two keys in the same time long enough
5. cable doesn't work
6. usb port doesn't work, try another one.
7. you did not pay attention on the sound of device connected nor the device list.
8. your windows broke. try another pc.

---------- Post added at 11:39 PM ---------- Previous post was at 11:33 PM ----------

get a micro sd and copy rom to it and flash, since you said cwm works ok

1 & 2 It boots up to the initial splash screen and to the android recovery so the battery is ok
3. The Vol + does work unless it suddenly died because I was using it moments before I bricked it
4. I would say 30+ seconds is long enough
5. The cable does work because it charges the unit and when I had CWM installed I could see it via ADB
6. Tried another port, nothing
7. The sound is definitely noticeable and it's kind of obvious if it's not in the device manager list
8. I tired two different computers, and three different operating systems. Including Linux.

I know you are trying to be helpful but ALL of these were answered in previous posts, if not the OP.

IShotJFK · Jul 26, 2012

I'm having the same issue with my pad not booting into APX, might I ask how you got the stock ROM back on it without APX?

brando56894 · Jul 26, 2012

Luckily I had the stock recovery installed and I was able to place the OTA on A MicroSD card and named it so that it would flash automatically once I booted into the recovery.

Sent from my Transformer TF101 using Tapatalk 2

Edit: here's how to do it

baseballfanz said:
Download the latest official firmware from Asus.
Extract the zip from within and rename it to "EP101_SDUPDATE.zip" (without the"" )
Put it on the root of your sdcard
Boot into stock recovery and it should flash it

kxs783kms · Jul 29, 2012

I have to go with #5. My Transformer would charge when using my cord and so I thought it was good. Plugged it into the computer and nothing. Switch to my wife's cord and the computer saw it instantly. It was then able to see APX mode.

brando56894 · Jul 29, 2012

Yea it was actually the cord being stupid, when I got back to my house I tried my other cord and it connected just fine. I actually just sold my TF yesterday to a friend for $250 so that I can get a Nexus 7

Sent from my ADR6425LVW using Tapatalk 2

IShotJFK · Jul 31, 2012

So this is making me thing that my cord is the issue, but I tried 3 different cords and none of them recognized. Is it possible the device itself has a faulty connection?

brando56894 · Jul 31, 2012

It's entirely possible, have you tried a different computer/different USB ports first though?

IShotJFK · Jul 31, 2012

Tried every port on two machines as well as in linux. My HTC G2 connects just fine to everything.

brando56894 · Jul 31, 2012

You may be screwed

Do you have the dock? Does it connect and charge fine with that?

TF101 Won't Enter APX Mode

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