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Can't access USB mass storage on my PC

So I can't connect my Droid RAZR to my windows 7 machine...
I have tried a lot of things!
I've tried:
*Different computers including Vista and Linux
*Different cables
*Different fastboot files
*Re-installing drivers
*Factory reset
*PIM sync from the market etc.
What happens when I plug my phone into my PC is the computer recognizes it, it makes a sound, then it says Unknown Device connected or some times it says USB malfunctioned and then on my lockscreen it says the phone is charging but it doesn't show on my battery icon.
Whats also interesting is if I got into Fastboot mode and connect to my computer it says USB connected and then I can use it in RSD with no problems.
I'm on ICS with no root.
Please help!
Sent from my Nexus 7 using XDA Premium HD app

Try turning on USB Debugging (if you haven't), under Settings > Applications > Development.

I had the same prob with my S3... Tip from Post above solved my problem...

neomeone said:
Try turning on USB Debugging (if you haven't), under Settings > Applications > Development.
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Thanks but I've already tried that

Jeanjacq said:
Thanks but I've already tried that
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With the phone plugged in, have you tried opening up the lockscreen so you can get to your phone? Please take a screenshot of the device manager settings.
Computer Management -> Device Manager -> Find the device (double click on it) -> Details -> Hardware Ids
Or you can write out what the hardware ID is. Thanks.
YOu said you also tried it in linux. please post the output from lsusb for any unknown devices

Huawei Mercury
I am also having a similar issue with the pc not recognizing the phone. I never had an issue with this problem. I have only rooted my phone with no custom room. I have always connected my phone to the pc and was giving a connection screen on my phone asking me if i want to connect as a mass media storage. A week ago this behavior stopped. I don't know what to do anymore. I don't remember doing anything to the phone to mess up the setting? I connected it to several computers using different micro usb data cables and nothing occurs.
The only thing happens is my phone receives a charge from the computer and thats it. Any ideas? Is there anyway i can reset the system or what not?

quickser4u619 said:
I am also having a similar issue with the pc not recognizing the phone. I never had an issue with this problem. I have only rooted my phone with no custom room. I have always connected my phone to the pc and was giving a connection screen on my phone asking me if i want to connect as a mass media storage. A week ago this behavior stopped. I don't know what to do anymore. I don't remember doing anything to the phone to mess up the setting? I connected it to several computers using different micro usb data cables and nothing occurs.
The only thing happens is my phone receives a charge from the computer and thats it. Any ideas? Is there anyway i can reset the system or what not?
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same problem here with my S3 mini can anyone help? please

neomeone said:
Try turning on USB Debugging (if you haven't), under Settings > Applications > Development.
Click to expand...
Click to collapse
me also facing same problem and already i turned on USB Debugging mode but nothing happened. still i can't connect USB mass storage of my android device

Hey guys what you should try to do is use this :
after pluggin in your devices and removing their current driver in device manager(control panel>admin tools>computer management>device manager>
and then install this
http://adbdriver.com/upload/AdbDriverInstaller.exe
also make sure you adb debugging is enabled (if it's not visible(setttings>about/info>build number tap it multiple times) usually its settings>dev options>usb debugging.
also maybe try using this software as pc suite myphonexplorer

Can you guys go to the storage menu in settings, press the menu key, select USB connection mode (or something like that) and play around with the settings in there? Try that out.
Sent from my Nexus 4 using XDA Free mobile app

[Q] Sensation XE PC connection Problem!!

Hi.
I just bought a Sensation XE two days ago, Its not completely new I bought it second hand. Previously used for a month.
Problelm is when I connect my USB cable to my laptop, It does not show any option like Mass storage, htc sync, tether etc.
I didn't notice this earlier until I started the unlocking bootloader process and it was stuck at 'waiting for device'. I've tried every possible thing I could find on the internet and couldn't find any problem similar to mine. Tried changing ports, USB cables even the OS(I'm using ubuntu 13.10) to Windows 8. No luck!!
I'm wondering if its a hardware problem, if so can anyone please confirm me so that I can return it back from whom I bought!!
All your help will be appreciated,
Thank you.

akhrot91 said:
Hi.
I just bought a Sensation XE two days ago, Its not completely new I bought it second hand. Previously used for a month.
Problelm is when I connect my USB cable to my laptop, It does not show any option like Mass storage, htc sync, tether etc.
I didn't notice this earlier until I started the unlocking bootloader process and it was stuck at 'waiting for device'. I've tried every possible thing I could find on the internet and couldn't find any problem similar to mine. Tried changing ports, USB cables even the OS(I'm using ubuntu 13.10) to Windows 8. No luck!!
I'm wondering if its a hardware problem, if so can anyone please confirm me so that I can return it back from whom I bought!!
All your help will be appreciated,
Thank you.
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Click to collapse
Hi,
In settings/developer options, have you ticked USB debugging?

Yes, I have. I also have fastboot unchecked in power under settings. Problem is that when I plug in the usb cable the notification bar should show usb debugging enabled and the option for charge, disk mount, HTC sync etc but it's not doing except charging the phone without any of the above mentioned notifications.

akhrot91 said:
Yes, I have. I also have fastboot unchecked in power under settings. Problem is that when I plug in the usb cable the notification bar should show usb debugging enabled and the option for charge, disk mount, HTC sync etc but it's not doing except charging the phone without any of the above mentioned notifications.
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Click to collapse
Hi,
Have you got ADB and Drivers installed?
Do you have windows 7 or 8?
Are you using HTC cable?
Make sure you are not using USB 3.0 slots, or hubs.
Try different slots ,or different PC if you can.

Hi,
Do you know which ROM do you have?
Sent from my HTC Sensation

probably you have to install htc sync too

Nexus 5 Is not seen on PC!

For some reason, my N5 can't be seen on my PC. It doesn't show up in device manager, and the phone itself doesn't prompt me for any kind of connection (mtp for example). I think its a driver issue, does anyone know a way to help?
Sent from my Nexus 5 using xda app-developers app

Same thing with me. But I screwed something up.. I was having trouble with the drivers so I used the first guide on theandroidsoul that was posted in the stickied how to unlock the bootloader thread. After I uninstalled the driver in device manager on my win7 computer like it says in step 3 of the guide my computer no longer detects my nexus5 or nexus4. They both charge but they aren't listen in device manager/no connection sound when I plug them in.
I have restarted my computer a few times. Made sure usb debugging was on in the developer options.Toggled MTP on and off. I also checked on another computer that it wasn't the usb cable.

Same here! anyway to get those old drivers back?

FirePoncho86 said:
For some reason, my N5 can't be seen on my PC. It doesn't show up in device manager, and the phone itself doesn't prompt me for any kind of connection (mtp for example). I think its a driver issue, does anyone know a way to help?
Sent from my Nexus 5 using xda app-developers app
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FirePoncho86 said:
Same here! anyway to get those old drivers back?
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Okay now this is weird. Anyone reading this must think I'm and idiot. I know for sure it wasn't working before. I used 3 different usb cables on both n4 and 5. I wiggled them and held them in place leaning in different directions just in-case the usb male end wasn't making the connection. I just tried the n4 one more time and it worked, then tried the n5 and that worked too.

AndrewJohansen said:
Okay now this is weird. Anyone reading this must think I'm and idiot. I know for sure it wasn't working before. I used 3 different usb cables on both n4 and 5. I wiggled them and held them in place leaning in different directions just in-case the usb male end wasn't making the connection. I just tried the n4 one more time and it worked, then tried the n5 and that worked too.
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pfm

this is what i did to fix mine
first i uninstall all drivers
went to device manager when i had my nexus 5 hooked up and it show nexus 5 with a exclamation mark so i uninstall.but usb debug has to be on.
now disconnect phone and turn usb debugging off .
after u do that connect phone and click on storage and click on 3 dots on corner and select mtp and drivers shoud install and it should work.
its all i did. keep trying.after uninstalling drivers reboot pc too.

littlegreenalien said:
this is what i did to fix mine
first i uninstall all drivers
went to device manager when i had my nexus 5 hooked up and it show nexus 5 with a exclamation mark so i uninstall.but usb debug has to be on.
now disconnect phone and turn usb debugging off .
after u do that connect phone and click on storage and click on 3 dots on corner and select mtp and drivers shoud install and it should work.
its all i did. keep trying.after uninstalling drivers reboot pc too.
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I tried this a couple of times! PTP but MTP isnt...

If anyone was playing around with NRT or other similar tool kits & had universal USB drivers installed to unlock, install custom recoveries & root, that could've "wrecked" other drivers & settings on it (Windows 7 ??) - one way to restore the connectivity to the N5 is to use MS's System Restore, go back to the earlier date - it should be successful restoration after it finished & reboot. Strange & hard to explain, but it worked & it was too late at night for me while helping out to work the logics behind it. The laptop normally see the N5 upon usb cable plugging in & open with the prompt to read the folders & files.
No matter what, usb debugging off & on, it was no good - only recognize the N5 when switched to Camera (PTP) mode & can only see 2 folders, normally - MTP or Media Device is the default setting & all the "SD" folders visible ...
Once reconnecting via usb cable, let it sit for 1 or 2 minutes so that the drivers can "wake" up and install & recognize the device(s).
Grrrrr, upon further checking with my old faithful HTC, the desktop OS seemed to have "corrupted" the USB drivers and now it is only reading it as a Removable Drive & not as HTC device.
I would go back & follow Littlegreenalien's steps to see what happen and then attempt a System Restore, time to brew up some coffee this weekend & deal with this minor challenge. Wondering if it's the new KitKat thing - and, sidenote, both N7 (2012) and N5 are generating random bug reports even on rooted stock rom & kernel. :cyclops:

Didn't think of a system restore! Man that's a good idea, I'll try it when I get home. My N5 also generated a bug report around when I was trying to fix this problem!
Sent from my Nexus 5 using xda app-developers app

littlegreenalien said:
this is what i did to fix mine
first i uninstall all drivers
went to device manager when i had my nexus 5 hooked up and it show nexus 5 with a exclamation mark so i uninstall.but usb debug has to be on.
now disconnect phone and turn usb debugging off .
after u do that connect phone and click on storage and click on 3 dots on corner and select mtp and drivers shoud install and it should work.
its all i did. keep trying.after uninstalling drivers reboot pc too.
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Click to collapse
This was the answer for me as well. All android drivers need to be uninstalled, then let the computer detect the N5 and install drivers
Sent from my Nexus 5 using Tapatalk 4

FirePoncho86 said:
Didn't think of a system restore! Man that's a good idea, I'll try it when I get home. My N5 also generated a bug report around when I was trying to fix this problem!
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Let us know how it turned out, look at Window's Control Panel, do you see Portable Devices & under it, it should say Nexus 5, and click it to see the drivers (total of *.dll's and *.sys on my W7 Ultimate 32-bits OS)
Now that everything has been restored, "Auto Play" popped up after a pause of few seconds with usb making connections. Rebooted the laptop & now it's seeing the HTC again after auto reinstall drivers.
Just in case anyone, off-topic slightly, if anyone is playing with their Nexus 7 sideloading KitKat & small OTA patch, you should also see Android Device under the Control Panel & the Google Nexus 7 ADB Interface - with USB Debug enabled. But, with the Nexus 5 connected, it is showing "Google Nexus 4 ADB Interface" while showing it as N5 under Portable Devices ... what the heck !
I'm going to leave it alone for the time being, if it ain't broke & is working, leave it alone & let it be. Call me lazy, TGIF - not going to go thru the routines of uninstalling drivers, rebooting & all that and ruin the webcam, camera & other usb drivers loaded on the laptop. I can run ADB and Fastboot commands, etc. just fine now.

The simplest and shortest way to connect google nexus5 with PC as MTP(Media device)
FirePoncho86 said:
For some reason, my N5 can't be seen on my PC. It doesn't show up in device manager, and the phone itself doesn't prompt me for any kind of connection (mtp for example). I think its a driver issue, does anyone know a way to help?
Sent from my Nexus 5 using xda app-developers app
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Click to collapse
When I plugged it, there wasn't any yellow exclamation mark within Device Manager. So for me, the drivers were OK. But the device was not listed within my Eclipse DDMS. After a little bit of searching, it was just an option to change in the device settings. By default, the Nexus 5 USB computer connection is in MTP mode (Media Device).
What you have to do is:
Unplug the device from the computer
Go to Settings -> Storage.
In the ActionBar, click the option menu and choose "USB computer connection".
Then select Media device(MTP) or Camera(PTP) based on your requirement...
Plug the device and you should have a popup on the device allowing you to accept the computer's incoming connection..
I hope this will help!

Phone not being recognised as a media device

Hi,
I'm sure this is a simple one but I can't solve the problem!
I have a laptop at home with windows XP which, although it will see the phone as a hardware device, will not let me transfer data to/from it. When I select PTP it works fine but nothing happens with MTP. It works fine on the work laptop...
I've tried uninstalling the drivers, re-connecting phone so the drivers are automatically loaded again to no avail. Tried switching on USB debugging too (this seem to kick start the PTP option though). It may have happened when I was loading lollipop on my phone using my laptop, but I can't be sure. I put the SDK(?) folder on my desktop which I have now deleted, although this idea my be a red herring.
I'm sure this is easy, any ideas?
Cheers.

Check there's not an acer device shown as connected as a recent windows update screwed up the drivers
Sent from my Nexus 5 using Tapatalk

Thank for the reply.
No its not showing Acer, its actually showing "Google Nexus ADB device"?!

With usb debugging both on and off?
Sent from my Nexus 5 using Tapatalk

Tried both and neither make a difference!

It'll be a driver issue, when it happens it's a pain in the ass. When you figure out the fix. You're like 'damn that was simple' always the way! Lol. Have you checked the driver issues thread?
Sent from my Nexus 5 using Tapatalk

I'm sure you're right! No I haven't I'll go have a look.
Cheers

My Pc Won't Recognize Vivo Nex S

Hey guys,
I have an issue that's been frustrating me. I can't connect my Vivo to my pc. I should be fine because I did everything. I uploaded the newest driver (I believe), I downloaded Vivo Assistant to
pc and I turned on USB debugging. When I put on the cable to the phone it does nothing other than charging.
Am I missing something? I'd appreciate any help!
Thanks1

Have you enable under developer setting-select usb configuration-media transfer protocol (MTP)??
By default it's only for charging,actually all the smartphone by default is charging selected and every user must change it to MTP and so pc can recognized it as hard drive.
Sent from my iPad using Tapatalk

paatha13 said:
Have you enable under developer setting-select usb configuration-media transfer protocol (MTP)??
By default it's only for charging,actually all the smartphone by default is charging selected and every user must change it to MTP and so pc can recognized it as hard drive.
Sent from my iPad using Tapatalk
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Yeah, I did actually. My phone is the global version. Can that be the issue?

Alaaddinsarac said:
Yeah, I did actually. My phone is the global version. Can that be the issue?
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Just to clarify situation.
Did you do what I've suggested and still your pc does not recognize your phone??
Did you tried different usb cable or different usb port on pc and still nothing??
This has nothing to do with global or any region parameter.
It's simple how every android device works.
Sent from my iPad using Tapatalk

See if when you connect to pc there's a message in notification center asking how you want to use USB connection. Select file transfer. You access this notification by sliding down from the top of the phone screen edge.
Also, unlock the phone before you connect to pc.

paatha13 said:
Just to clarify situation.
Did you do what I've suggested and still your pc does not recognize your phone??
Did you tried different usb cable or different usb port on pc and still nothing??
This has nothing to do with global or any region parameter.
It's simple how every android device works.
Sent from my iPad using Tapatalk
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Yeah, I did what you suggested but sadly didn't work. I have used a different cable but haven't used a different pc. Maybe I should try that.

Saloei said:
See if when you connect to pc there's a message in notification center asking how you want to use USB connection. Select file transfer. You access this notification by sliding down from the top of the phone screen edge.
Also, unlock the phone before you connect to pc.
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The problem is, I don't get a notification. I get nothing. It just starts charging.
Thanks for the help anyways!

Alaaddinsarac said:
The problem is, I don't get a notification. I get nothing. It just starts charging.
Thanks for the help anyways!
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Click to collapse
Remove MTP or your device from Device Manager and give it another go.