Stuck on boot screen - Transformer TF300T Q&A, Help & Troubleshooting

Hello,
i am new here on forum. I read alot threads about unbrick TF300T on this forum, but cant find answer for my problem.
My tablet is unlocked, rooted and had TWRP installed. When i try to use TWRP my tablet restarted and now i am stuck on boot screen.
Its screen with asus and nvidia logo with information that device is unlocked.
When i try connect tablet to pc, pc dont see it.
Power + Volume- dont work, no boot options - tried like 50 times
Power + Volume+ dont work, i think its for APX mode
Tried restart with restart hole under volume buttons.
I cant go to other screen just that one with logo. Even cant tablet shut down. When i press and hold power button it just restart and logo screen again.
Any ideas how to make it work again, or its completly broken?
Ty for your answers.

Related

[Q] No aPX-mode anymore on my Asus Transformer.

[POSTED IN THE WRONG FORUM. REPOSTED @ http://forum.xda-developers.com/showthread.php?t=1174493]
Hello Folks,
I seem to have a problem and I can't find an answer in the forums.
I rooted my Asus Transformer with Android 3.1 using this method: http://forum.xda-developers.com/showthread.php?t=1125714
I only rooted the Transformer, I didn't install CWM. Everything was working fine until my overenthusiastic wife updated the tablet with the 8.4.4.11-20110711 update. Suddenly my tablet was unrooted again. I thought "No problem, no harm's done, I'll just reinstall the stock 3.1 and then root the device once again and just leave the new update for what it is for the moment."
The problem is that I can't get into APX mode anymore. When I try to start the device with vol+ and the power button, nothing's happening. Both buttons are working fine (neither's stuck). I thought that the device might just be showing me a blank screen but when I press and hold vol+ and the power button for 5, 10 or 30 seconds then wait 30 secs and start adb.exe it says my device isn't connected.
When I press vol- and the power button I do get the option to wipe all my data and factory reset (which I tried and is working).
When I press vol- and the power button then vol+ when it's booting to get into RCK (recovery kernel mode) I get a droid image with a yellow triangle with an exclamation mark. Nothing happening.
Anyone got a clue what's going on and or how I can solve this issue?
The Transformer is working fine besides not being able to get into APX mode btw. I can use it, just can't root it anymore.
same situation here, just bought my eeePad today, updated to .11 version....now trying to root but can't figure out how...
I'm having the same problem. Brand new transformer, rooted it, and now I can't get it to boot past the splash screen. Tried putting it back into APX mode, and it doesn't work. Anyone find a solution to this?
I didnt even root mine and i have this ****ing problem -.-
Same problem..
You'll notice if you watch the device manager on windows, it flashes a refresh but the device doesn't show up. Looks like it's trying to work but doesn't catch..
SSame here after using Brk's on my 3.2 B70 tf101.
Same here. 3.1, rooted, CWM.
Same here on an Asus running Android 3.2.
Serial number B60KA.
Build number on mine is 8.6.5.9-20110816.
Anyone find a solution to this?
My friends tablet is at HTK75.US-8.6.5.13-20110925 and I just got it in to APX mode.
I had the Transformer turned off and plugged in, held vol up + power until I hear the first US notification noise and released the two buttons. The searching for drivers screen came up and it installed "Nvidia Bootloader Recovery" And now my safe to eject calls it APX.
I found if you hold the power and volume up for too long it messes things up.
Any news anyone? I would love to know how to do get into APX mode. The volume + and power is not working for me like the others (did it all conceivable ways).
APX already on
Hi, I solved this problem very easy.
Just connected my eeePad, installed the APX driver after Volume up and Power on Button and it was working. You will see nothing on eeePad screen. Just check the device manager on your computer.

[Q] Triumph stuck at moto logo, cant get into clockworkmod

Ok so today my triumph stopped responding so i restarted it (took out the battery). then rebooted. upon reboot phone shuts down and now will hang at the motorola logo for about 10 min before boots but will shut back down due to the battery being dead(but had full charge when this started). Dont know what happened. So i try to get into clockworkmod to flash backup. cant get into it. the only thing i can do is get to the recovery.img file(pressing power+volume down). Other than that nothing.
also tried to boot with power pluged in. it stayed on but would not respond to any touches or button press except the lock button.
I have cwm 5.0.2.6 installed and tickerguy's cm7.
never had this problem till today. Any help would be appreciated.
a new development has occurred. now when i try to access recovery, the phone will just vibrate without stopping.
and i believe its stuck in a boot loop but without recovery i dont know anyway to exit the loop.
Are you able to get into download mode (power off then simultaneously press power button & vol- (should show polling))
Sent from my Triumph using xda premium
Yes i am able to get to download mode
Well after some tinkering (replacing the recovery image, assuming something corrupted it) i can now get to recovery, still takes 10 min to load it though. But i am unable to do anything in recovery because i have to press the menu button to confirm selection but the buttons wont respond. Some help would be appreciated.

[Q] HELP>>>>>>>Bricked my TF300T

Hi All..
My TF300 is unlocked. I installed the new JB and then I was trying to install CWM. I used fastboot to push it to the device. When I rebooted, holding down the volume button, It came up to the menu with RCK, USB, etc. I selected wipe data by accident. It sat there for a while saying it was going to wipe and go into the boot loader. After a while I shut it off thinking it was hung. Now when I power on the device I get only the ASUS startup screen. Volume up or down don't affect the mode. It just says "The Device is Unlocked" at the top, and the static ASUS logo in the middle. When I plug in the USB to my Windows 7 computer I get nothing in the device listing. I can't even fully turn the device off. Holding power for a few seconds, it goes off, and then it comes right back on by itself.
I think I'm totally bricked, right? It won't even go into APX mode it appears.
thanks ...
arch.fadi said:
Hi All..
My TF300 is unlocked. I installed the new JB and then I was trying to install CWM. I used fastboot to push it to the device. When I rebooted, holding down the volume button, It came up to the menu with RCK, USB, etc. I selected wipe data by accident. It sat there for a while saying it was going to wipe and go into the boot loader. After a while I shut it off thinking it was hung. Now when I power on the device I get only the ASUS startup screen. Volume up or down don't affect the mode. It just says "The Device is Unlocked" at the top, and the static ASUS logo in the middle. When I plug in the USB to my Windows 7 computer I get nothing in the device listing. I can't even fully turn the device off. Holding power for a few seconds, it goes off, and then it comes right back on by itself.
I think I'm totally bricked, right? It won't even go into APX mode it appears.
thanks ...
Click to expand...
Click to collapse
When you hold down the power button to turn it off, as soon as the screen goes off, let go of the power button and hold the VOL up button. Wait a second or so and then let go of the VOL button. The tablet should go into APX mode. It can be quite hard to time it right, but the tablets screen should stay blank, without rebooting.
thanks for ur care
i forget to update the post ...sorry
.....i do that and my pc show apx driver but fastboot did not work ....
how can i use fastboot again to install bolb again ?????????
thanks in advance
chappie1970 said:
When you hold down the power button to turn it off, as soon as the screen goes off, let go of the power button and hold the VOL up button. Wait a second or so and then let go of the VOL button. The tablet should go into APX mode. It can be quite hard to time it right, but the tablets screen should stay blank, without rebooting.
Click to expand...
Click to collapse
thanks for ur care
i forget to update the post ...sorry
.....i do that and my pc show apx driver but fastboot did not work ....
how can i use fastboot again to install bolb again ?????????
thanks in advance
ME Too and hundreds of Others
arch.fadi said:
thanks for ur care
i forget to update the post ...sorry
.....i do that and my pc show apx driver but fastboot did not work ....
how can i use fastboot again to install bolb again ?????????
thanks in advance
Click to expand...
Click to collapse
I've been searching the web for two weeks - nobody has a solution !
I've tried everthing.
Asus has a way to reset the OS as several owners have sent their unlocked "Bricked" tablets to their service center.
Last repair I read online stated that Asus returned their TF300T with the latest version of JB installed.
Asus would be Wise to post a solution - Imagine the goodwill that would generate.
Many thanks...
Q:did asus change mother board?
Or it kind of software fixed
I read about SKB..... What sbk?

soft bricked?

by my divine stupidity i installed that on click transformwr reboot app, on my 300t and its stuck on the asus screen, i cant get it to go to fastboot or to bootloader to use terminal, i think it is going into apx because when i do it i can see m6 computer intall the drivers but apx is useless for because i never did that nvflash backup.. . .. its currently on my office desk on the asus logo running the battery out, i tried rest button volume down, power volume down, power volume up, i cant get it into fastboot or recovery running out of ideas please help

[q] flashing factory/custom rom without recovery and usb-debug support?

hello, i have a starmobile engage 8 tablet from Philippines that I was able to root. i guess the bootloader is LOCKED, there is NO RECOVERY, and I can't install one. usb debug mode is unfortunately DISABLED without thinking that my tablet will have problems. when i restarted the phone, it showed me splash screen/starmobile logo then followed by a blank screen. after around 5 minutes, it restarts and then same thing happens.
what can be done in this case? please help!:crying:
keep trying to fix it!
randev4 said:
hello, i have a starmobile engage 8 tablet from Philippines that I was able to root. i guess the bootloader is LOCKED, there is NO RECOVERY, and I can't install one. usb debug mode is unfortunately DISABLED without thinking that my tablet will have problems. when i restarted the phone, it showed me splash screen/starmobile logo then followed by a blank screen. after around 5 minutes, it restarts and then same thing happens.
what can be done in this case? please help!:crying:
Click to expand...
Click to collapse
I feel your pain, I have the same unit with a different issue but my temporary fix might help you.
Rooted my phone and installed a game(was in the middle of copying a file to the obb ), forgot to activate modded play store and restarted the tablet trying to do a quick modded play store install. after the stupid move My tablet now keeps restarting and stops after the star mobile logo and restarts again and it just keeps restarting.
What I did is I randomly press the following keys to attempt finding the safe mode: home+volup, home+voldown, pow+volup and etc... I finally found the safe mode and did a factory reset which did nothing to fix the restarts. Try not doing this!
Then I pressed and hold both volume keys when the star mobile logo shows up and the red star mobile logo turns blue completing the boot process for some reason starting the tablet.
As of today my engage 8 still does the infinite restart if I restart it but I can bypass it with the method. Hope it helps you.
Planning to do a cache/dalvik cache wipe when my research is done to try and fix this tab, good luck to me...
thanks for your reply... what i thought was that starmobile technicians do not want to share the key combinations. and im glad that you figured it out. can you remember that specific combinations you used? so that i can try then...
just so you know, i sent the unit to star mobile for repair and they managed to fix it. unfortunately i made the same mistake so i just dumped it.
randev4 said:
thanks for your reply... what i thought was that starmobile technicians do not want to share the key combinations. and im glad that you figured it out. can you remember that specific combinations you used? so that i can try then...
Click to expand...
Click to collapse
There are only a few buttons on the phone. I mean, if you have 3 buttons, there are 3 combinations.
Assuming your phone has 3 buttons try:
Power + Volume Up
Power + Volume Down
Power + Volume Up + Volume down
If your phone has 4 buttons also try:
Power + Vol Up + Home
Power + Vol Down + Home
Power + Vol Up + Vol Down + Home
NOTE: Press ALL the buttons and hold in the same time.
NOTE2: Try the combinations in the order from top to bottom

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