HELP! my computer can no longer recognize my phone in usb media mass storage - ONE Q&A, Help & Troubleshooting

i'm stock, locked, unrooted. windows 8.1
i'm trying to transfer files from computer to phone so i plugged in my phone via usb and my computer doesn't recognize phone as usb media mass storage device anymore. yes my computer can still detect the phone, yes drivers installed properly, yes usb debugging on, yes tried to reboot. my phone is connected, but just not as a storage device. no idea what's going on, it's worked before...
any ideas?

bump ttt

help me!!

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Computer won't detect my phone anymore

My phone use to work fine when I connected it to the computer and now it my computer wont recognize it.
I installed the latest drivers from motorola. My phone is in PC mode. Debugging is marked. I don't know what happened.
I am running Darkslide v4.1. I don't know if that helps at all. I just started doing that all of a sudden. I can't access the SD card like I use to be able to.

Nexus S cannot connect to PC

Hi Guys,
I have an Nexus s on stock running 4.1.2 kernal 3.0.31
I'm only new to smartphones and I think i made a boo-boo. While connect over usb, i turned off mass storage mode and pulled out the cable. I only then realised that I should have safely ejected on Windows 7 before turning off mass storage mode.
Now my computer will not even recognize the device. It pops of "usb device not recognised"
I tried installing the samung usb drivers - no results
I tried unistalling some usb ports in device manager in windows and rebooting - no results
help!!!!!
Thanks in advance
I just installed the pdaNet application for windows and that didn't recognize the nexus either!!!
Should I factory reset the phone?
i really wanna install Cyanogen Mod as the phone is running quite slow!!

Z5 not recognized by PC via USB

Hello,
I've been trying to charge my phone through the USB cable that came with the device. It works with the charger, but once i plug it into my pc it doesnt work. When I open Sony PC Companion it doesnt recognize a device either. Now when I enable USB debugging, it works for 2 seconds and then it goes back to non functioning. What i mean by it works for 2 seconds is, the device gets recognized by sony pc companion but then gets unrecognized immediately, i get the charging icon for 2 seconds en the device says its connected to the pc via MTP. But then I can't do anything with it. In device manager it has 2 unrecognized devices: ADB interface and MTP.
What is wrong here?
bump
Try another cable if you have one.
Also install the drivers for your phone from this site.
http://developer.sonymobile.com/downloads/drivers/
Skickat från min E6653 via Tapatalk
J03llV said:
Hello,
I've been trying to charge my phone through the USB cable that came with the device. It works with the charger, but once i plug it into my pc it doesnt work. When I open Sony PC Companion it doesnt recognize a device either. Now when I enable USB debugging, it works for 2 seconds and then it goes back to non functioning. What i mean by it works for 2 seconds is, the device gets recognized by sony pc companion but then gets unrecognized immediately, i get the charging icon for 2 seconds en the device says its connected to the pc via MTP. But then I can't do anything with it. In device manager it has 2 unrecognized devices: ADB interface and MTP.
What is wrong here?
Click to expand...
Click to collapse
without recognizing charging function must work!
but test this >
uninstall PC companion > then go to drive C/Program Files and Files x86 and delete Sony and Sony Mobile folders (if exist)
then restart and Install it again.
If doesn't help
Read this carefully
http://www.howtogeek.com/195607/how...evice-to-show-up-in-file-explorer-if-it-isnt/
:good:
My problem is pc companion force closes when I connect my phone via USB to the pc
Turns out, the phone charges when it is shut down. When i turn it on it wont charge. But it wont be recognized by the pc still. In device manager it shows up as a portable MTP device but I cant do anything with it
Go to recovery and mount usb and system and then try
iv had the same, I cant connect to the PC, im on windows 10, i get USB device malfunctioned. Any update?
dlevick said:
iv had the same, I cant connect to the PC, im on windows 10, i get USB device malfunctioned. Any update?
Click to expand...
Click to collapse
Last week I found a solution, the universal adb driver from Google fixed my problem. The driver from Sony doesn't work, but this one does!
J03llV said:
Last week I found a solution, the universal adb driver from Google fixed my problem. The driver from Sony doesn't work, but this one does!
Click to expand...
Click to collapse
I got that fed up of issues with the z5 I got rid of it after 3 months
dlevick said:
I got that fed up of issues with the z5 I got rid of it after 3 months
Click to expand...
Click to collapse
Yeah I know, I rooted it now though and it feels like an whole other phone

Rooted now windows 10 doesn't recognize device

I recently rooted my s8+. Now when I connect it to my PC (or even my wife's PC), I get the following on my phone, "Attention: the connected device is unable to access data on this device. Please disconnect the USB cable and try again". I'm using the USB cable that came with my phone and the issue is happeing on 2 different PC's. I have USB debugging checked and set to MTP.
in settings, Switch on Developers options in configuratien. Then there is a USB modus setting. Set it to Charging rather then MTP Transfer.
try another USB cable and update the drivers in device manager.
jidamo said:
in settings, Switch on Developers options in configuratien. Then there is a USB modus setting. Set it to Charging rather then MTP Transfer.
try another USB cable and update the drivers in device manager.
Click to expand...
Click to collapse
Ok, I've tried your suggestions but the problem still persists. What's worse, I unrooted the phone and did a factory reset and it STILL is unable to access the data on the device.

Phone not recognised by computer when USB debugging is enabled.

Hello,
I accidentally deleted some pictures on my phone (samsung galaxy core) over the weekend and I am trying to root my phone to recover them. I have tried connecting my computer to my phone with a USB cable, but my computer does not seem to recognise my phone when USB debugging is enabled. When I have USB debugging disabled, my computer recognises my phone without any problems. My phone uses android 5.1.1 and my computer uses windows 8. Is the problem with my phone or my computer? Thanks.

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