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[Q] USB doesn't work all of a sudden! can't connect to pc HELP

last nite I did a upgrade, I updated the firmware to the latest version, then I found out I have lost root, even though I had rootkeeper.
After doing some research, I have decided to use adb to push the su file and it worked
however for some reason I can no longer connect my tf300 to my pc (windows 7). I have tried rebooting my device, I have also tried rebooting my pc, nothing worked!
I then went to the asus download site and installed the pc suite, and still couldn't connect my device to my pc using usb cable!
please help

Uninstall the drivers from your comp then plug the tablet back in to let it install..see if that does it

already tried that out, didn't work..

Go into your settings and click usb debugging off that might help i had the same problem today

redjersey said:
last nite I did a upgrade, I updated the firmware to the latest version, then I found out I have lost root, even though I had rootkeeper.
After doing some research, I have decided to use adb to push the su file and it worked
however for some reason I can no longer connect my tf300 to my pc (windows 7). I have tried rebooting my device, I have also tried rebooting my pc, nothing worked!
I then went to the asus download site and installed the pc suite, and still couldn't connect my device to my pc using usb cable!
please help
Click to expand...
Click to collapse
Why do you want to use adb and connect to your PC.
Use Terminal Emulator apk in Google play :good:
It's an app which is good and really functional in case of problem
and try this: use Asus Unlock tool again, reboot and try to connect to your PC.

Root and install Custom Rom without USB PC Connection?

Hi,
I've got an Acer A510 with JB 4.1.2 Stock Rom.
Before the Update to JB I could connect my Acer to my PC and the PC recognized the tablet without any problem but since the Update nothing happens when I connect it to a PC, even no "DungDung" Sound on the PC. Tried on Win7 32 & 64 Bit, 3 diffrent PC's an 3 different cables! No way to get it work.
So I wanted to root the tablet and install a custom rom. Is this possible without connecting the tablet to a PC?
Here the detail of the tablet:
Jetzt drauf:
Stock Rom 4.1.2 nicht gerootet
Image Version: ACER_AV051_A510_RV11RC02_EMEA_CUS1
Build-Number: ACER_AV051_A510_1.035.00 _EMEA_CUS1
Abbild-P/N: FM.S1LA0.04J
I really hope someone can help me.
Kind regards
avalanche99
Sent from my A510 using xda app-developers app

Same problem here.
My rom is the NoThrills last frankenA700.
Greets from Germany

AW: Root and install Custom Rom without USB PC Connection?
Hi,
I had same problem with my a510.
After update to JB no USB Connection or debugging, was possible.
You can follow NoThrills CWM Recovery, but can't use any of the adb commands.
Use all the fastboot-commands to unlock boot-loader and install cwm.
After that you can root your Tablet.
Lost USB connection seems to me like a 'feature' inside the Acer ROM.
Going back to ICS evreything is working, but not in JB.
acer iconia a510
cwm 6.0.1.9
JB acer stock ROM

Okay,
i found the problem.
Since the update to JellyBean the setting in memory/USB Connection (PC)/MTP Setting is desablet.
I set the dot to this setting and my USB connection is already running

does anybody know how to root without a usb? My usb doesn't work no matter what I try. even fastboot, adb, debug nothing works.

A700 no USB
johnsk said:
Okay,
i found the problem.
Since the update to JellyBean the setting in memory/USB Connection (PC)/MTP Setting is desablet.
I set the dot to this setting and my USB connection is already running
Click to expand...
Click to collapse
johnsk i have a same problems, please tell me how make this settings. I have an stock rom Acer.AV051.A700.RV16RC01.EMEA_DE.
Thank you in advance!
Later Edit.
I found this settings but not solved my problems! PC don`t recognize my new A700 tab.
USB port works well all external HDD or flash pen via OTG, but PC can`t recognize, no TA-DA sound. Maybe output port is broken!
Any solutions?

No USB access but need to root

I have a tf700 with a strange problem. When I plug it into the computer, it reports there is an error in the USB descriptor and doesn't install the drivers. I know the drivers are installed OK because I have a 2nd tf700 that installs fine. I also tried linux with no luck - lsusb reports nothing when I plug it in, but it does find the other tablet fine.
The error occurs in MTP, PTP, debugging option on or off, and fastboot. It charges normally through the port.
I disassembled the nonworking unit and swapped the port/cable assembly but the problem stayed with the tablet. I also reflashed stock from SD using the stock recovery with no effect.
My goal is to get root access and install TWRP. Does anyone have any suggestions? Is there a way to connect to adb wirelessly without root access or is there an older version of stock I can flash and self-root without a PC?

So it looks like I'm out of luck then?
Sent from my TF300T using Tapatalk 4

[Q] AT&T One Mini and manually updating to 4.3

Has anyone tried the stock 4.3 flashable from tr1gg3r84 on an AT&T one mini? I'm unable to get my computer to detect the phone once its installed. (USB Device Unrecognized) However fastboot and recovery modes still allow my PC to see the phone.
I've restored my stock TWRP I made before attempting anything and it also doesn't allow the device to show up via MTP as it previously did

fuzzmania said:
Has anyone tried the stock 4.3 flashable from tr1gg3r84 on an AT&T one mini? I'm unable to get my computer to detect the phone once its installed. (USB Device Unrecognized) However fastboot and recovery modes still allow my PC to see the phone.
I've restored my stock TWRP I made before attempting anything and it also doesn't allow the device to show up via MTP as it previously did
Click to expand...
Click to collapse
So I've solved my own problem. Using the USB Cable that CAME WITH THE PHONE works. However the cable for my nexus 4 does not, despite it working perfectly fine for months

[Q] [q] apx not working please help

hi. i am new to the forums and i need a bit of help. my parents bought me an asus transformerpad TF101. the tablet had a dead battery wen i bout it but somehow recovered itself after a bit of use while pluggged in :laugh: . but i origionaly didnt have a usb lead to connect the tf101 to my pc so used baidu root to self root the tablet and install twrp. this worked and i installed katkiss room. it worked perfectly until i found that 4od doesnt function as katkiss is a kitkat rom and it was rooted. so i flashed back to stock rom by using twrp, the tablet booted normally insto stock but the apps on stock keep randomly restarting and crashing, so i bought a usb lead and it worked for a while but then i thought of flashing ubuntu with the computer(tubuntu installer). i installed all the apx drivers and i tried to install ubuntu tubuntu but the installation stopped when it was writing the linux kernel to the device. i reflashed stock rom with easy flasher but the android stilll had the same problem so ii tried to flash again but it was noew detectd as a malfunctioned usb device. it will detect normally when the device is powered on and will run asus sync but when i go into apx it is just detecting as a malfunctioned usb device. can anybody help ?????????