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  1. Thread Author  Thread Author    #1  

    Question USB Device Not Recognized

    An hour with Level 3 Samsung tech support. Another with Sprint. No one has the answer to why just 1 of my computers runnning XP won't recognize my Intercept when connected.
    Things covered:
    Yes, it is the original cable.
    Yes, I have tried all 8 USB ports.
    Yes, I have rebooted and powered off and remounted and pulled batteries and reinstalled drivers I didn't need in the first place.
    Yes, I've had all the hardware checked for errors by expensive professionals.
    Yes, I am sure it is the original cable...



    Open for suggestions.
  2. #2  
    ziou's Avatar

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    a little more specific please, what exactly happens when you connect your device? did you connect the device before and was recognized? I ask you cause I had a very similar experience with my droid
  3. Thread Author  Thread Author    #3  

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    Works on other computers and netbooks. Just not this one computer. No matter what is done, DM still lists it as an Unknown Device. I know the computer is shiney. Just can't understand what I'm not seeing to get it to recognize the phone.
  4. #4  

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    It's a problem with Windows where the hardware identifier is recognized as an "unrecognized device". You can resolve it by clearing the USB history, restarting the computer, and plugging in.

    The following page describes the process, and the registry locations are the same for xp/vista/7. Usual disclaimers about going into the registry, if you're not sure what you're doing, have a professional tech do it for you. One wrong move can render your windows install useless.

  5. #5  

    Default

    USB 1.0 hub. I would guess at this being an incompatibility issue with some USB chip in the phone. I have just noticed this issue and hit this thread.

    I could not get the phone to be recognized after spending hours thinking it was a Win 7 and driver issue.

    USB 1.0 hub works every time. Funny because I had a an identical used phone purchased from the same vendor on e-bay around the same time, and the other worked fine. USB 1.0 hub resolved my issue.

    Thought I'd chime in, and give an solid answer as to how to workaround the issue. (Although I don't know why, but it works!)
  6. #6  

    Lightbulb Try to Install USB Drivers and then try to connect




    Please try to install appropriate USB Drivers on your PC and then try to connect your phone to PC.


    For 32 Bit Windows (XP / Vista):

    Try EasyTether Lite Drivers:



    Click on 'Samsung' here:

    Supplementary Windows-only drivers (require the core package above): Samsung / LG



    How to Install official Samsung Drivers for Win XP/Vista.:

    Detail instructions at:






    Click on Software Tab

    See download icon/link under column File



    I found that Windows 7 is very fussy about Android USB Drivers.






  7. #7  

    Default Re: USB Device Not Recognized

    I have windows 7, it recognizes my USB with my phone about 1 in 7 times. Why sometimes, but not always?
  8. #8  

    Default Re: USB Device Not Recognized

    hey guys I'm having a similar problem. for the past month Ive been trying to sync my phone to my PC and every time i plug the usb cable I keep the pop-up on the bottom right saying usb device not recognized. when i first had this problem i read that I shuld uninstall the htc sync drive, which i did and my problem was solved and i could upload music but then a week later i got the same problem, and i tried installing the driver again and i ithink ive been installing the wrong one cause it wasnt the same from the original one i had,a nd i dont know how to reinstall it from my phone to my PC cause thats what it did when my was working. Ive tried debugging and still nothing. I have no clue what to do and its really frustrating. btw i have a HTC EVO 4G if that helps in any way........Plz help me
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  9. #9  

    Default Re: USB Device Not Recognized

    Hey iv been around on sdx for a while now, for those of you running windows 7 trying to connect your intercept to the pc, installing the moment usb drivers works everytime, i learned this because i had just upgraded to windows 7 last week and the intercept driver wasnt working so i looked up the moment, cause it has simular hardware (example= we used their custom recovery on our phone when we didnt have one) and bang, it hooked up right off the bat.
  10. #10  
    newboyx's Avatar

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    Quote Originally Posted by Jthellraiser View Post
    Hey iv been around on sdx for a while now, for those of you running windows 7 trying to connect your intercept to the pc, installing the moment usb drivers works everytime, i learned this because i had just upgraded to windows 7 last week and the intercept driver wasnt working so i looked up the moment, cause it has simular hardware (example= we used their custom recovery on our phone when we didnt have one) and bang, it hooked up right off the bat.
    Good tip, the Intercept is pretty finicky.
  11. #11  

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    Quote Originally Posted by Jthellraiser View Post
    Hey iv been around on sdx for a while now, for those of you running windows 7 trying to connect your intercept to the pc, installing the moment usb drivers works everytime, i learned this because i had just upgraded to windows 7 last week and the intercept driver wasnt working so i looked up the moment, cause it has simular hardware (example= we used their custom recovery on our phone when we didnt have one) and bang, it hooked up right off the bat.
  12. #12  

    Default Re: USB Device Not Recognized

    How? How Do you get the driver without internet access? How do you get it at all? I just recently switched To windows 7 Also.
  13. #13  

    Default Re: USB Device Not Recognized

    This might be an older thread, but I just bought a new Samsung Galaxy S II Skyrocket with AT&T, and it installed perfectly on my Laptop, (WITHOUT Kies, by the way!) but NOT my desktop.

    What I THINK happened was that when I first got the phone, I just assumed that Windows would recognize the phone on it's own. Silly me. When I first plugged it in, I had NOT installed the drivers. My Windows told me that it had found (in succession) a SAMSUNG_Android, a Samsung LTE Card USB Drive, and a Samsung LTE USB Drive, but EACH TIME, it immediately said that it could not find the right driver. Then I got the dreaded "UNKNOWN DEVICE" note, and then of course "A USB DEVICE HAS MALFUNCTIONED".

    INSTALLING THE DRIVERS AFTER THE FACT WILL THEN LIKELY BE USELESS

    I've spent about 6 HOURS EACH DAY this week pulling my hair out trying to determine the reason. I've found and followed more recommendations than I can count. Installed Kies. Uninstalled Kies. Install drivers, uninstall drivers, delete all the USB connections in device manager and let windows rediscover them, try to update the "Unknown Device" with any and all of the INF files in the Samsung USB Drivers directory. Ran two different Registry Cleaners.

    NO LUCK.

    SO I did it the hard way

    Set Device Manager to show you ALL devices, even the hidden ones, and unused ones. There's countless sets of instructions on how to do that on the web. Just Google it.

    1. Uninstalled Samsung Drivers.
    2. Uninstalled Kies (You really don't need it anyway.)
    3. Did a plain old "Search" for any remaining SAMSUNG folder in My computer and deleted them.
    4. Deleted all Unknown Devices under USB in Device Manager.
    5. Edited the System Registry to remove all references to Samsung or Kies.
    6. Ran a registry cleaner

    Here's the hard part:

    Dug into System Devices on XP on my LAPTOP (The machine with the "Known Good Configuration" that works). I determined that there are 2 ENTRIES EACH IN THE FOLLOWING AREAS FOR THE SAMSUNG GALAXY S II SKYROCKET on a computer that operates correctly:

    Under DISK DRIVES: SAMSUNG LTE CARD USB DEVICE and SAMSUNG LTE USB DEVICE
    Under Storage Volumes: 2 (Two) GENERIC STORAGE VOLUMES
    Under USB Controllers: 2 (Two) USB MASS STORAGE DEVICE entries.

    CAREFULLY examine the Driver Details for these 6 (Six) entries, and write them down!

    It's the USB Controller entries that seem to be key, however: The Details will look something like this:

    USB\VID_04E8&PID_685B\10F918B6

    Whatever the string is, search your registry for the last 8 digits: in my case, 10F918B6, and also for the PID_685B entries (Make sure "Match whole string is NOT checked)

    I ended up with 3 keys: HKLM\System\ControlSet001\Enum\USB\VID_04E8&PID_685B; HKLM\System\ControlSet002\Enum\USB\VID_04E8&PID_685B; and HKLM\System\CurrentControlSet\Enum\USB\VID_04E8&PID_685B

    ALSO: Under THOSE, you'll note a DRIVER value that might start with: 36FC9E60...

    SEARCH FOR THAT TOO! I found: HKLM\System\ControlSet001\Control\Class\36FC9E60...

    EXPORT ALL OF THESE KEYS TO A LOCATION OF YOUR CHOOSING.

    SEARCH ALSO for "Samsung": You should also find: HKLM\Software\Samsung\USB\Driver Under that will be a string that starts: D0795B21...

    EXPORT THIS KEY, Just to be safe.

    If you search for D0795B21... you'll find HKLM\Software\Microsoft\Windows\CurrentVersion\Uninstall, and under it will be references to the Samsung USB Driver Directory files in Windows Explorer.

    MIGHT AS WELL EXPORT THAT ONE TOO.

    Now that you have these keys exported to a Flash Drive or something, go to the machine that DOESN'T recognize your Skyrocket.

    Make sure you've uninstalled as good as you can, all the old attempts to install. Remove the Unknown Device, Uninstall the Samsung Directory, Do a search for SAMSUNG in "Search", and delete all the folders. Search your registry for Samsung (and you might as well search for the same keys you found on your good machine.) and remove all the old keys.

    Run a registry cleaner if you have one.

    Reboot.

    Install the Samsung Drivers again!

    I then verified in my registry that Samsung was in it's place in HKLM\Software\Samsung\USB\Driver and so was the D0795B21 string. Also present was the HKLM\Software\Microsoft\Windows\CurrentVersion\Uninstall entry with the references to the Driver folders.

    On a whim, I tried to have XP recognize the Skyrocket again, but mine AGAIN failed.

    I checked the registry, but the 3 registry keys containing 10F918B6 and the connected Class Key (36FC9E60) were NOT present (Yet!)

    Plug in your Flash Drive. Click each registry icon on the flash drive to incorporate the keys from your known good configuration into the registry of the computer that DOESN'T work. You'll have to confirm that you REALLY want to plug those entries into your computer.

    I then went back into my Skyrocket. Went into USB. Tapped Connect. Plugged the cable in.

    My computer IMMEDIATELY recognized a SAMSUNG_Android, a Samsung LTE Card USB Drive, and a Samsung LTE USB Drive.

    Bingo. Done. I've attached my pertinent Registry Keys in a ZIP. As noted, I didn't need the Samsung Key, or the Uninstall Key, as reinstalling the Drivers added those, but I did need CS001, CS002, CCS, and Class.
    Attached Files Attached Files
  14. #14  
    A-android-B's Avatar

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    I too can add a +1 to the usb hub. Make sure its not a high speed usb2.0 hub. I got a 99cent unpowered from hong kong and it works everytime with my windows and linux. Before I had the hub I scoured the internet and tried everything. I guess it has something to do with the time delay and differences making the usb stacks semi incompatible but if it just happens t connect at the right time it is still possible to get connected sometimes. That's why you might be able to connect 1 in seven times or some machines connect almost every time. But the low speed hub slows everything down enough to allow it to connect every time

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  15. #15  

    Default Re: USB Device Not Recognized

    my andro9id is not reconised by my computer
  16. #16  

    Default Re: USB Device Not Recognized

    My tablet is doing the same and it's taking way longer for the options to the usb cord to come up and i did a reset and it's still doing it help?

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