Can't see the storage on my computer or laptop or nowhere - Nexus 4 Q&A, Help & Troubleshooting

It's really annoying guys .. The device is available as adb and fastboot on wug's nexus root toolkit and i can push and pull files
i can do pretty much everything with the device (flashed latest rom - rooted - installed apk) done everything but i can't transfer or view my device on my computer or laptop
the drivers are not the problem whatsoever I deleted all of them and followed the guides, tried linux won't work too .. changed cables tons of times also won't work
changed from laptop to desktop from windows to linux won't work .. the device just won't appear on windows explorer .. =\ =\
my driver test by wug's is passed 100% .. what to do IDK -_-

Any help?
Sent from my Nexus 4 using Tapatalk

Check under Settings -> Memory -> 3 dots (USB Connection) if there is thick checked for MTP connection

Related

Not connecting in Windows 7

Windows cant find a driver for the phone, how do you use this on Windows?
You can install the drivers as part of the Android SDK, or you could search this forum for drivers, or you could goto the Development section and download mskip's Galaxy Nexus 4 Toolkit and install the drivers from there.
uberNoobZA said:
You can install the drivers as part of the Android SDK, or you could search this forum for drivers, or you could goto the Development section and download mskip's Galaxy Nexus 4 Toolkit and install the drivers from there.
Click to expand...
Click to collapse
installed the drivers and Windows sees it as an Android ADB device but it doesnt mount anything. How do I transfer files over USB?
I extracted the drivers from the Android SDK and posted it up. Check my sig for the link.
tried those too and its still not mounting anything
Windows 7 detected my phone without any drivers installed and I was able to mount the internal storage. The only thing the sdk drivers allow for are adb and fastboot interfacing, so they shouldn't be needed if all you are trying to do is mount the device.
try different usb port my pc did that at first.
I'm not sure why, but it worked for me on windows 7 and automatically updated the drivers. The weird thing is that adb recognizes the nexus 4 as a Samsung phone
idividebyzero said:
Windows cant find a driver for the phone, how do you use this on Windows?
Click to expand...
Click to collapse
Same issue here until I switched to the cable that came with the phone and it worked. Maybe just a fluke, not sure.
Sent from my Nexus 4 using xda app-developers app
idividebyzero said:
tried those too and its still not mounting anything
Click to expand...
Click to collapse
Sorry, misread your post. Try restarting, try a different USB port, try a different cable. Also, make sure MTP mode is enabled on your phone (Settings > Storage > Menu > then check Media Device).
idividebyzero said:
installed the drivers and Windows sees it as an Android ADB device but it doesnt mount anything. How do I transfer files over USB?
Click to expand...
Click to collapse
Have you found a solution yet? To transfer files from my PC to the phone, I have to make sure debugging is turned off and connect with MTP mode. But if I want to use ADB, I need to turn debugging on which loses the PC's ability to see the phone at all unless I connect in PTP mode. All a bit weird but at least it works. Have you tried uninstalling and reinstalling the drivers?
Phone mounts fine on 2 different computers, its something with my computer.
Its not the USB cable, tried different ports, I tried USB debugging on and off, camera mode and MTP. Device manager sees it as a Nexus 4 but says the drivers didnt install.
So my next question is why isnt Windows installing the drivers properly?
i have got two nexus 4
and with one of them i am not able to connect it to my main computer (with a second computer it works).
With the other nexus 4 i have no problems on any computer...
os is alway win 7.
just linking and sharing a similar thread [Q]Computer won't recognize phone? which covers same/similar issue and resolution.

How to make Nexus 7 visible for SDK?

SDK can't see my Nexus 7, how to make it visible? I have installed Asus Drivers and turned on debugging, also try turning to Camera mode instead of MTP.
MatthewJackal said:
SDK can't my Nexus 7, how to make it visible? I have installed Asus Drivers and turned on debugging, also try turning to Camera mode instead of MTP.
Click to expand...
Click to collapse
what have you done to test the connections
With the nexus 7 plugged in . on the computer go to Device manager and see if it shows adb as a listed device.. if not..
Download usbdview(google search will find it). With the nexus unpluged scroll thru its list and delete all versions of adb or devices that you do Not have connected to your computer . Plug in the nexus 7.. refresh the list.. Delete the nexus 7.. Unplug it .
Reboot your computer . Install the lastest drivers (there is a thread in dev forum with them) Then see if it shows as a adb device in windows...The pda drivers in the wugs root kit worked best for me...
If this is complicated for you Wugs root tool kit has a step by step guide on how to do this as well as links to drivers... But its basic windows usb trouble shooting.

[Q] How to transfer files to Nexus 7?

Good day, normally when I plug-in my other Android Devices on PC, I'll see them on "My Computer" and can see the files like a normal drive, but with the Nexus 7 I get nothing, I also tried to install the Nexus 7 Toolkit for the drivers, but still can't access the files. I'm on 4.2.1 right now, anybody can help? Thanks in advance!
I installed the drivers from the 'Wugfresh nexus root toolkit', installed the android sdk, installed the pda.net app on the N7 and the win version of pda.net on the pc and then the connection worked. Some have had to go into 'device manager' on the pc and uninstall any reference to the nexus or unknown devices and connect again. Also, usb debugging should be on and you should set the n7 to mtp mode. It is almost always a driver issue.
If you want you can use even airdroid via Wi-Fi connection.
Inviato dal mio Nexus 7 con Tapatalk 2
The Nexus uses the MTP mode to connect to your computer. This mode works best on a recent Windows operating systems with Windows Media Player 13 or better. The Nexus will appear as a Device - usually Nexus7.
Just search this forum for MTP for help with Windows XP, Linux and Apple systems.
Will this work on Windows 7? I tried to check updates on Windows Media Player 12 and it says I already have the latest version, no device on My Computer for my Nexus 7..
Brickoy said:
Will this work on Windows 7? I tried to check updates on Windows Media Player 12 and it says I already have the latest version, no device on My Computer for my Nexus 7..
Click to expand...
Click to collapse
It should just work on a Windows 7 computer - it did on mine. Try turning the Nexus fully off, connecting it to the computer and then turning on the Nexus. I noticed mine updated some drivers when I did this.
Also try another USB cable as those do fail.
If you're looking to transfer stuff like music, video and ect. You can do that over wifi by using an app on the Google play store called airdroid. I use the very same app to transfer files.
Sent from my Nexus 7
I'm on Windows 7 Home 64 Bit, I tried turning it on while plugged on my laptop but still no luck. All my other android devices works fine, it's just the Nexus 7 that is problematic.. I also tried AirDroid, not so good with large files especially movies when I travel
Are you connected to the internet with your windows7 pc?
Maybe it can't download the necessary files/drivers?
---------- Post added at 02:53 PM ---------- Previous post was at 02:51 PM ----------
Maybe this helps:
http://forum.xda-developers.com/showthread.php?t=1934306
Brickoy said:
I'm on Windows 7 Home 64 Bit, I tried turning it on while plugged on my laptop but still no luck. All my other android devices works fine, it's just the Nexus 7 that is problematic.. I also tried AirDroid, not so good with large files especially movies when I travel
Click to expand...
Click to collapse
Is "USB Debugging" off in settings - developer options? Maybe also leave developer options off for now.
I got USB Debugging off, I'm on 4.2.1. Still no luck.. I just use AirDroid now even though its very slow for me..
Well I just connected my Nexus 7 to my PC and straight away my PC asked me if I wanted to view Nexus 7 files.
My PC is running Windows 7 64 bit.
I am able to look what is in the Nexus and I am also able to add or delete files as I want - great. :good:
I solved my problem with transferring large files, I didn't realize it's very simple, instead of MTP I just chose PTP and Windows detected it as a portable device, tranferred files from my PC to the Nexus 7's DCIM folder. Unplug the USB then just move them anywhere on the device's storage using a file manager.. It's that simple..
Brickoy said:
Good day, normally when I plug-in my other Android Devices on PC, I'll see them on "My Computer" and can see the files like a normal drive, but with the Nexus 7 I get nothing, I also tried to install the Nexus 7 Toolkit for the drivers, but still can't access the files. I'm on 4.2.1 right now, anybody can help? Thanks in advance!
Click to expand...
Click to collapse
SOLVED:
in device messenger, right click on 'unknown device' and update driver/browse my computer../let me pick from list.../portable device/Manufacturer(standard MTP device)/MTP USB device
say YES to install anyway (even though it will blow up the world). after install, unknown device changes to Nexus 7 (or 10 I would hope, but I have 7), this also fixes problem with my Kindle Fire HD 7.
YaY!
Brickoy said:
I solved my problem with transferring large files, I didn't realize it's very simple, instead of MTP I just chose PTP and Windows detected it as a portable device, tranferred files from my PC to the Nexus 7's DCIM folder. Unplug the USB then just move them anywhere on the device's storage using a file manager.. It's that simple..
Click to expand...
Click to collapse
I found the same results after rooting my Nexus. Uninstalling WUGs toolkit and restarting restored the MTP mode and ADB also continues to work. This won't erase any backups you've made. If not WUGs maybe something else you've added is blocking the MTP mode.
Sorry I still can't figure it out. I am on stock rom, with root access. I have debug usb enabled. I can connect it as PTP or MTP....with PTP, the nexus 7 is displayed as 'nexus 7' and I can access the DCIM and picture cache folder (pretty useless....). With MTP, the device won't even be detected by windows. It will not search for drivers.
My target is to be able to write bigger files...I am speaking about 1 gigabyte or more. Through WiFi it would be a pain...if it is a picture or even a collection of a few hundreds megabytes....ok, I could do it, but sometimes I need to move GBs of things, and with wifi is obviously too slow....so how do I get to move this stuff via usb? I thought even copying from PC to usb stick, and then copying from stick to nexus (with usb host....stickmount or usb host or another app) would be even faster than doing everything via wifi, but it is just lame.
HELP!
edit: sorry I feel like I have an ipad (grrrr)...never had problems with other android devices
device manager
drumtrucker said:
SOLVED:
in device messenger, right click on 'unknown device' and update driver/browse my computer../let me pick from list.../portable device/Manufacturer(standard MTP device)/MTP USB device
say YES to install anyway (even though it will blow up the world). after install, unknown device changes to Nexus 7 (or 10 I would hope, but I have 7), this also fixes problem with my Kindle Fire HD 7.
YaY!
Click to expand...
Click to collapse
drumtrucker, I think you're on to something here, but you meant "Device Manager" which may be found either in your start menu or by pressing windowsKey+r and typing "control" then hitting enter.
--dchriste

[Q] Nexus 7 USB connectivity to Windows XP SP3

Guys, I know i am repeating again the question but despite reading 15-20 posts and uncountable articles, I am still not able to get my nexus 7 working with the Windows XP SP3.
1) To start with, I downloaded the google drivers from ASUS and the MTP Porting Kit from microsoft.When i plug in the device with USB Debugging on, Windows shows 3 new devices- NEXUS 7 & Android ADB Interface.. and ofcourse Windows XP can not find the drivers for any. So i open the device manager and it shows Nexus 7 under unidentified devices. I install the drivers for ADB interface (the ones i downloaded from Asus) and the device becomes ready to use. But there is no option to browse the device from my computer or portable devices. Then i switch the debugging on, and now there is a new device- MTP under unidentified devices. Then i install the MTP Porting Kit, but the MTP device still shows a problem with the driver.
2) The second part of the problem is that all this did not work and even my WMP11 does not recognise the Nexus 7.
The device is just connected and charging!!! What am i doing wrong here???
try this...
http://forum.xda-developers.com/showthread.php?p=34608868
Sent from my Nexus 7 using xda app-developers app
o82239 said:
try this...
http://forum.xda-developers.com/showthread.php?p=34608868
Sent from my Nexus 7 using xda app-developers app
Click to expand...
Click to collapse
It worked, but the MTP keeps popping up for installation again and again.. and I am STILL NOT ABLE TO SEE MY DEVICE
ansh360 said:
Guys, I know i am repeating again the question but despite reading 15-20 posts and uncountable articles, I am still not able to get my nexus 7 working with the Windows XP SP3.
1) To start with, I downloaded the google drivers from ASUS and the MTP Porting Kit from microsoft.When i plug in the device with USB Debugging on, Windows shows 3 new devices- NEXUS 7 & Android ADB Interface.. and ofcourse Windows XP can not find the drivers for any. So i open the device manager and it shows Nexus 7 under unidentified devices. I install the drivers for ADB interface (the ones i downloaded from Asus) and the device becomes ready to use. But there is no option to browse the device from my computer or portable devices. Then i switch the debugging on, and now there is a new device- MTP under unidentified devices. Then i install the MTP Porting Kit, but the MTP device still shows a problem with the driver.
2) The second part of the problem is that all this did not work and even my WMP11 does not recognise the Nexus 7.
The device is just connected and charging!!! What am i doing wrong here???
Click to expand...
Click to collapse
I have exactly the same problem with my windows xp laptop it was OK until I wiped my laptop and reinstalled xp SP1-3 I can't seem to solve it either.
Sent from my Nexus 7 using xda app-developers app
:-/
Is there any justice for me in this bad bad world of octa-core processors and Razer Edge!!! :'(
ansh360 said:
It worked, but the MTP keeps popping up for installation again and again.. and I am STILL NOT ABLE TO SEE MY DEVICE
Click to expand...
Click to collapse
??? It worked and it doesn't work ???
What worked?
Try to delete the precompiled inf-file 'C:\WINDOWS\inf\wpdmtp.pnf', edit the 'C:\WINDOWS\inf\wpdmtp.inf' (see link in the post in the top...), open the XP device-manager, right-click in the yellow '!' and 'update driver'...
twics said:
I have exactly the same problem with my windows xp laptop it was OK until I wiped my laptop and reinstalled xp SP1-3 I can't seem to solve it either.
Click to expand...
Click to collapse
Do you have edit the 'C:\WINDOWS\inf\wpdmtp.inf'?
Sent from my Nexus 7 using xda app-developers app
I had a lot of problems myself getting Windows XP to work with my Nexus 7 as well... eventually I discovered that installing the latest version of Windows Media Player fixed the problem.
I wrote up a post on this issue on another forum (Sorry, XDA - this was before I discovered you guys), back in December of last year.
Anyway, here is my original post...
http://www.nexus7nexus10.com/forum/nexus-7-help/2600-cannot-connect-pc-2.html#post36608
(Actually, this whole thread is worth reading.)
The only nuisance factor is having to remember to re-enable USB debugging (Titanium Backup needs USB debugging enabled, and complains if itsn't) AFTER I've run some MTP Windows XP related file backups (USB debugging needs to be disabled, or MTP won't work)...
....or at least that is my experience.
Hope this is of some use.
Rgrds,
Ged.
Hello guys,
I have the same issue on windows XP with Nexus 7. I tried everything what was suggested and nothing is working.
I have Windows XP SP3 with WMP11 and MTP porting kit installed as well. the device is recognized and driver is instaled fine. But it's not visible on "my computer" in MTP mode. I tried to turn on usb debugging and still device is invisible in windows explorer, the same is when usb debugging is turoned off.
When device is in PTP mode it appears in "my computer" and i'm able to browse it and see all pictures and photos.
How can i browse my device in MTP mode and copy files there? Please reply if anybody knows what to do to fix this issue.
Thank you.
ansh360 said:
Guys, I know i am repeating again the question but despite reading 15-20 posts and uncountable articles, I am still not able to get my nexus 7 working with the Windows XP SP3.
1) To start with, I downloaded the google drivers from ASUS and the MTP Porting Kit from microsoft.When i plug in the device with USB Debugging on, Windows shows 3 new devices- NEXUS 7 & Android ADB Interface.. and ofcourse Windows XP can not find the drivers for any. So i open the device manager and it shows Nexus 7 under unidentified devices. I install the drivers for ADB interface (the ones i downloaded from Asus) and the device becomes ready to use. But there is no option to browse the device from my computer or portable devices. Then i switch the debugging on, and now there is a new device- MTP under unidentified devices. Then i install the MTP Porting Kit, but the MTP device still shows a problem with the driver.
2) The second part of the problem is that all this did not work and even my WMP11 does not recognise the Nexus 7.
The device is just connected and charging!!! What am i doing wrong here???
Click to expand...
Click to collapse
Recently got a 2012 Nexus 7 from a retailer selling this model with updated Android at very attractive price, and initially able to connect to computer so promptly rooted the device with the Nexus Root Toolkit from Wugfresh Development (in this forum), afterwards had same problems with not being able to read / transfer files.
Tried every fix I could find in other threads, and although device manager saying that connected as 'ADB Device' with debugging on, or 'Google Nexus 7 ADB Device' with MTP on and debugging off, still stuck with no access.
Looking closer at the MTP configuration ('Google Nexus 7 ADB Device') under device manager noticed that details listed manufacturer as 'ClockWorkMod' , and eventually that this originated within a Windows\Inf file titled 'oem60'.
I cut and pasted the 'oem60' file to another directory (to keep it safe just in case this upset something else) then on reconnecting the Nexus 7 as MPT with debugging off, device manager found and installed the correct driver at last. Now able to see and transfer files to / from it.
Presumably could alter the relevant lines in the 'oem60' file, which aren't hard to find, and put it back to original directory, but my other devices also working fine so not done so as yet.
Taowtp said:
Recently got a 2012 Nexus 7 from a retailer selling this model with updated Android at very attractive price, and initially able to connect to computer so promptly rooted the device with the Nexus Root Toolkit from Wugfresh Development (in this forum), afterwards had same problems with not being able to read / transfer files.
Tried every fix I could find in other threads, and although device manager saying that connected as 'ADB Device' with debugging on, or 'Google Nexus 7 ADB Device' with MTP on and debugging off, still stuck with no access.
Looking closer at the MTP configuration ('Google Nexus 7 ADB Device') under device manager noticed that details listed manufacturer as 'ClockWorkMod' , and eventually that this originated within a Windows\Inf file titled 'oem60'.
I cut and pasted the 'oem60' file to another directory (to keep it safe just in case this upset something else) then on reconnecting the Nexus 7 as MPT with debugging off, device manager found and installed the correct driver at last. Now able to see and transfer files to / from it.
Presumably could alter the relevant lines in the 'oem60' file, which aren't hard to find, and put it back to original directory, but my other devices also working fine so not done so as yet.
Click to expand...
Click to collapse
The above workaround was spot on, thanks

[Q] ADB drivers not working

Hello. Im new to the Nexus 10. I downloaded skipsoft Android toolkit, installed adb drivers in the package and rooted the Nexus and installed recovery..it was easy using the toolkit. So the ADB drivers must have worked- at least in the environment it is used in to do these things. But these drivers dont work to transfer files between the nexus and the computer running winxp. I have USB debugging and PTP, have tried every other dirver package that has been mentioned on all available forums, have tried different usb ports, different cables etc. n my computer the device is recognised as a Nexus 10 but clicking on it gives a blank page, so cannot see the Nexux files. WTF this is driving me mad. Any ideas?
Re
Hi Ghosta,
Are you using a USB 3 port? as i have had many strange issues with these the ports. The issue is caused by one of the intel drivers cant remember exactly which way but there is no easy way to fix this. If this is your issues i would try and find if you have a USB 2.1 port you can use or the Esata ports on laptops tend to be usb 2.1 inside...even though they dont look like it haha
Hope this helps
ghosta12 said:
Hello. Im new to the Nexus 10. I downloaded skipsoft Android toolkit, installed adb drivers in the package and rooted the Nexus and installed recovery..it was easy using the toolkit. So the ADB drivers must have worked- at least in the environment it is used in to do these things. But these drivers dont work to transfer files between the nexus and the computer running winxp. I have USB debugging and PTP, have tried every other dirver package that has been mentioned on all available forums, have tried different usb ports, different cables etc. n my computer the device is recognised as a Nexus 10 but clicking on it gives a blank page, so cannot see the Nexux files. WTF this is driving me mad. Any ideas?
Click to expand...
Click to collapse
What does Device Manager show? Device name, its Properties and exclamation mark?
You do know that if your device has a "password" then you must be logged in to see its contents.
peterk-1 said:
What does Device Manager show? Device name, its Properties and exclamation mark?
You do know that if your device has a "password" then you must be logged in to see its contents.
Click to expand...
Click to collapse
Thanks for the replies and suggestions. All shows up OK in device manager, the device is not password protected, and the laptop has usb2 ports. I had another try today, after connecting the nexus it shows up in my computer as a camera, labelled nexus 10, with the camera icon. When I click on the icon it opens a special folder, must be a camera folder and the camera and scanner wizard starts. After a while it detects the photos on the nexus ( I have loaded a lot on it via USB otg using flash drive ), but thumbnails of the photos are not downloaded as I usually see when I connect a camera. The wizard downloads photos back to the computer, but each photo is about 18 kB instead of the 2 mb they originally were. So it appears a connection is happening, but a very strange one. I don't like to be beaten on problems like this one, but searching the net has not given me any answers, and I don't understand the android system well enough to know what to try next.
I think your device is working. If you connect it up as it now is and then go into Settings > Storage and tap the top RH corner menu you get the USB Computer Connection and select that and change it to MTP you should find it is now visible in My Computer or after auto install of the driver it will be visible. I'm brain dead - you said you had a PTP connection!
peterk-1 said:
I think your device is working. If you connect it up as it now is and then go into Settings > Storage and tap the top RH corner menu you get the USB Computer Connection and select that and change it to MTP you should find it is now visible in My Computer or after auto install of the driver it will be visible. I'm brain dead - you said you had a PTP connection!
Click to expand...
Click to collapse
No PTP conection or MTP connection either. The Nexus also shows up in Device Manger under Imaging Devices when USB deugging is on, which is causing the camera and scanner wizard to start, although it doesnt work properly. When i disable it nothing happens at all. No idea where to go from here.
There is or was an issue with XP see http://forum.xda-developers.com/showthread.php?t=2305943
peterk-1 said:
There is or was an issue with XP see http://forum.xda-developers.com/showthread.php?t=2305943
Click to expand...
Click to collapse
Thanks for the suggestion, I had already tried that but I did it again just to make sure. It did not work for me.
Have you tried following the driver install guide from Wug's toolkit? I've never used Skipsoft's but if it doesn't have you delete old drivers properly it's possible there's some old or corrupted driver sticking around from all the installs you've done. If you follow Wug's guide exactly you should end up with the only the correct drivers installed. Also, what ROM and kernel are you using? It's possible the issue is there.
capnkrunch said:
Have you tried following the driver install guide from Wug's toolkit? I've never used Skipsoft's but if it doesn't have you delete old drivers properly it's possible there's some old or corrupted driver sticking around from all the installs you've done. If you follow Wug's guide exactly you should end up with the only the correct drivers installed. Also, what ROM and kernel are you using? It's possible the issue is there.
Click to expand...
Click to collapse
I used a program called usbdeview to uninstall every USB driver with an "android" or "adb" description which should have cleaned up my drivers? Then after reinstalling drivers I tried again no difference. I ran android-tools and can push and pull files to and from the computer and nexus, (from command line) so I believe I have eliminated hardware problems and software problems on the nexus. This leaves the computer, which works perfectly with my other android devices running 4.1.1.
Just in case this helps. In usbdeview I have 5 nexus 10 entries. They all have the vendor id of Google 18d1 and a unique Product ID . Which driver connects is related to the device settings:
PID Device settings
4ee1 MTP
4ee2 MTP + USB debugging
4ee5 PTP
4ee6 PTP + USB debugging
d002 USB debugging
With the device connected I can change settings and see the change in connected driver in USBDeview.
peterk-1 said:
Just in case this helps. In usbdeview I have 5 nexus 10 entries. They all have the vendor id of Google 18d1 and a unique Product ID . Which driver connects is related to the device settings:
PID Device settings
4ee1 MTP
4ee2 MTP + USB debugging
4ee5 PTP
4ee6 PTP + USB debugging
d002 USB debugging
With the device connected I can change settings and see the change in connected driver in USBDeview.
Click to expand...
Click to collapse
This info does provide me with some way forward. With USB , when connected ptp I have a nexus 10 USB composite device and a nexus 10 digital still camera connected with the green light in USB deview, and also a blank device name, connected, description android composite device with a purple light. I'm guessing purple means not working. But changing drivers does nothing to change the purple light. Switching to mpt gives an additional blank name Google nexus adb interface also with purple light shown as connected. All connected devices show vendor 18d1. Drivers tried 1) clockworkmod (supplied with skipsoft); 2) naked drivers 3) Google drivers. Any clues what to try next?
2 things to check. I just tried running usbdeview from Wug's toolkit. It was v2.0 and wasn't the same as the version I have installed v2.3 - and there have been a significant number of changes. If you have XP pro x64 then you must use the x64 version of usbdeview - again I think Wug's may only ship with 32 bit usbdeview http://www.nirsoft.net/utils/usb_devices_view.html You will also find an explanation of the coloured radio buttons.
If you find you need to update usbdeview then I would suggest you uninstall the device drivers (instructions in Wug's toolkit?) then new drivers from http://developer.android.com/sdk/win-usb.html#top and follow the linked install instructions.
peterk-1 said:
2 things to check. I just tried running usbdeview from Wug's toolkit. It was v2.0 and wasn't the same as the version I have installed v2.3 - and there have been a significant number of changes. If you have XP pro x64 then you must use the x64 version of usbdeview - again I think Wug's may only ship with 32 bit usbdeview http://www.nirsoft.net/utils/usb_devices_view.html You will also find an explanation of the coloured radio buttons.
If you find you need to update usbdeview then I would suggest you uninstall the device drivers (instructions in Wug's toolkit?) then new drivers from http://developer.android.com/sdk/win-usb.html#top and follow the linked install instructions.
Click to expand...
Click to collapse
I gave up completely on this, and connect via wifi using ES file explorer. I bought my wife a new tablet an Acer Aconia A1-830 and it has the same problems, impossible to connect via ADB, with exactly the same symptoms. Yet our phones connect via ADB without a problem, but both are Androild 4.1 or earlier and the tablets 4.2 or younger. Obviously an Android generated problem that arose when 4.2 was released and on which has no fix.

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