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nexus 7 drivers problems

Hi, I have enbled the usb debug option on my nexus 7 so I can develop applications, I have also set the connection property to camera (PTP) and after hours trying to find why my device was not listed in my developing software I have found that there's a conflict in the device manager.    I have followed these steps to correct this : http://www.asus.com/support/Knowledge-Detail/28/2/Nexus_7/D53452AE-143C-42F1-BDC1-7F168085F0D7/

It's not working because I don't have the "USB composite" listed, I have some other choices but none will install.    I'm pretty much out of ideas from here.

I'm using windows 8, I have tested in my wmware windows 7 environment and the tablet is installed correctly.

Thank you for any help on this matter.

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Molnár István
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I have tried to uninstall the driver and then install it from the usb_driver folder, I always have a code 39 message saying that the driver in missing or corrupted.   Currently I have two adb installed on my computer, one that came with eclipse and the other that came with delphi XE.    I have tried to plug my lonovo yoga tablet and this one too is not recognize, worse than that, no adb driver is showing up with this tablet.    At home if I connect the yoga tablet on my other computer, all is working fine.
Here are the steps I have done after viewing the aboved recommanded YouTube video.

1. Uninstalled drivers (nexus 7 and adb).
2. Installed the android SDK.
3. Installed a more recent JDK version.
4. Download from the SDK the USB drivers.
5. Installed manually the inf file from the extra\Google\usb_driver folder.
6. I still have an error, I have deleted the drivers again.
7. Downloaded the latest_usb_drivers from android.
8. Installed drivers from that folder.
9. Still not working, deleted the drivers.
10. Installed the nexus 7 driver (not adb), said to choose from a list, said "have disk", specified the usb_driver folder and I'm having a message that no compatible drivers were found (X64).
11.  I have remove the usb debug option, just connected the tablet and saw that no ADB was showed (which is normal I think) and that the nexus 7 still have a yellow exclamation point, not recognized, still the missing or corrupted drivers.

I have done pretty much what was mentioned in earlier posts, I'm not sure what I can do next.

I have one question though, the drivers from Google android are called usb drivers, are these drivers to detect the nexus 7 tablet or are these adb drivers which are two different things I guess?