Samsung Galaxy S II :: Computer Won't Recognize - USB Device Not Recognized Error
May 7, 2012
believe the source of the problem to be a faulty install of ICS plus a later rooting, as the phone would intermittently go from Android Phone to Unable to Recognize USB Device, to just not being able to recognize the phone. I've uninstalled KIES along with the drivers and installed them back again to no avail. Is it possible to flash the phone with a working Android version without using the computer - through the SD card?
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Oct 2, 2011
i updated my SGS 2 in software update for the first time a few days ago (never done that since i got it in end of may). It looked like it worked at first, it rebooted it self after a successful update. But when i was about to reboot it my self after a few hours it went hi-wire. I couldn't boot it and the screen was switching between the loading battery (but i wasn't charging it) and a empty battery with a warning sign between it every 3 sec. But after a while i got it working by repeatedly press the start button and putting the charge cable in it.so when i was now going to update it for the new 2.3.4 through Kies i tried for the first time to connect my phone with the usb-cable, but I'll never got the computer to recognize my phone. It won't show up with USB mass storage enable/disable, USB debugging unchecked/checked. I have tried reinstalling Kies and the Samsung USB driver, cleaning with CCleaner, cleaning the regedit for samsung files, but without luck.
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May 6, 2012
I've started to get the "USB Device Not Recognized" error almost every time I connect my S2 to my laptop. This started happening after I flashed the phone with an official version of ICS 4.0.3. The installation went flawlessly, yet I am having a hard time having the phone recognize the computer.
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Jul 1, 2015
My computer doesn't recognize my device when it is plugged in.
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Apr 28, 2012
My iPhone 4 is not being recognized as a USB device by my computer, therefore I can't synch to iTunes. It is also not being recognized when I plug it into the USB port in my car, so it is something with the phone, not my PC. I have the latest iOS on the phone and everything was working fine until today.
Info:
iPhone 4, iOS 5.1
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Jun 28, 2012
When I plug in my iPhone 4 to the computer the USB device is not recognized and the device doesn't show up on iTunes.
Info:
iPhone 4
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Nov 9, 2011
I have a Windows Xp service pack 3 and I already install Desktop Manager6.1, the problem is that the computer does not recognize any blackberry device, I tried with three diferents blackberry and no one works. Windows try to install it and later solicites a driver for the device, I alredy see in other computer what drivers the blackberry needs to works and copy them to my Windos Xp but still does not work, is there a driver or something for that windows recognize the blackberry?
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Feb 26, 2012
I have my backup files. But my computer does not recognize my device due hardware problems. Is there any way to upload my backup files without using desktop manager? I should have use blackberry protect in hindsight.
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Apr 19, 2012
When I connect my phone to my computer it makes a noise but doesn't show the iPhone under my computer it also doesn't charge the iPhone when it is connected to it except for a few seconds when I reboot my laptop. When I search under Device manager there is absolutely nothing there. I was attempting to restore my phone yesterday and couldn't do it on my phone alone nor when plugged into my computer so I restored it to a back up on another computer. Also every other computer I've plugged it into recognizes it right away but none of the other one's are mine please assist I don't want to lose all my app's and music thats stored on this computer and I'm going off to college in the fall.
Info:
iPhone 4, iOS 5.1
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May 18, 2012
authorized computer won't recognize device
Info:
iPhone 3G, Windows 7, device doesn't appear on itunes
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Jun 26, 2014
I am trying to transfer photos to and from my phone. However, when I plug in my iphone4S into the computer via USB it will not recognize it as a device. I know that the ports work, as the computer recognizes thumb drives, etc.Â
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Oct 26, 2014
My 4 month old Xperia Z2 has always worked fine until today. It was connected to my Mac computer, and I was asked to update Sony bridge for MAC. After about 10 mins it said Update Failed on the computer. I disconnected the phone, but now the phone wont turn on - all I get is an error message saying "Software update failed, make sure that your phone is connected to the computer and try again"
However when I connect it, the device isnt recognised.
I cant switch the phone off or on, all thats happening is a continuous loop of red light and then the error message (it's on charge at the moment)....
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Dec 21, 2010
I'm trying to get my Samsung SGH-T255G to connect to my PC, but I'm getting a USB Device Not Recognized warning when I plug the USB in. I've tried both the front and rear ports, no difference.I have the Samsung driver v14.0.0.162 installed (did not plug in cable during install).I downloaded both Samsung PC Studio 3.2.3 and PC Studio 7.2.24.9. The applications work fine, but won't connect because of the Device Not Recognized issue. The phone sees USB power and begins charging when connected. I have it turned on and at the main "idle" screen. Does the phone have to be in a certain mode to connect? Not familiar with how to do this. I'm running XP Pro on the PC.
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Nov 26, 2011
I have an error 201 message and my device is caught in endless loop. SPent 1 hour with VErizon last night- and computer will not recognize my device (my guess is that is the endless loop is interfereing) we went to the "wipe" option but to no avail. ANyone have any ideas before I punt this thing and get an I PHone 4 S (and spend a couple of hundred dollars)?
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Jan 2, 2010
When i hook up the usb cable to the phone and pc i get a message on pc that usb not recognized device attached has malfunctioned and on the phone says connect failure. Has anyone else had this problem and if so what is a fix for it.
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Jan 16, 2012
9780 started overheating. Display black but possible to read error 507 message. Desktop software does not recognize plugged in device. When battery is insert device still overheats. What to do?
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Aug 25, 2011
I purchased a 16gb micro sd for the phone. Copied files to it and inserted it into phone. When phone is connected to usb the card mounts and I can see it from the PC and copy files to it. When I try to browse the card from the phone, it is not found. I thought I had formatted it FAT32, but of I look at card properties in file explorer on the PC, it says 'File System: Generic hierarchical'. So I'm thinking perhaps it is not formatted properly. If I am to try another format, is it best to let the phone format it, or do it in a card reader on the PC first? I'm worried if I let the phone do it I may wipe my internal SD by mistake.
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Nov 15, 2011
Basically when trying to play .mp3 files certain albums/folders aren�t being recognized by the music player. I have a folder called Music and within that I keep a load of folders with albums inside each. However for the albums that wont play, if I move individual songs outwith their album folder so that they just sit as loose files within the music directory then the music player recognises them.
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Feb 3, 2012
So far my SD card has unmounted itself twice, and I've had to remove the battery and reseat the card. Yesterday it unmounted, and now I can't get the phone to recognise there's a card installed (I've tried 2 different ones). Running Gingerbread 2.3.4 standard Samsung firmware, no network customization and not rooted.
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Jul 29, 2012
I'm new to smart phones and trying to find my way around them. I had an Orange San Deigo phone and purchased a few apps for it and they ran very well (It's a pity the phone didn't work properly) I was upgraded to the Galaxy S2. I have now tried to install the apps on to the Galaxy but the Galaxy is not recognized in the download screen
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Jan 23, 2012
After 5 months cool job my phone 2.3.3 GT-I9100 SGS2 running India distribution unlocked. Not rooted start showing constantly an icon of a plain as it was in flight mode and if you go to settings it shows that the flight mode is off. Also it is not recognising any SIM. Currently I am in UK.
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Jul 2, 2010
no matter what settings I use on the 9650 "Memory" settings. I cann't get any computer (Windows 7 or XP Pro) to recognize the device as "mass storage device" so I can access the memory card. There is plenty of items on the card, and I can access them fro mthe decive, but the computer won't "find" it. This is with DM 5.0 and 4.7, on windows XP Pro and Windows 7.
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Jun 1, 2015
I was recently trying to root my galaxy s5 (At&T, G900A) on android lollipop and so first I wanted to downgrade to kitkat for root and decided to do so with odin. I followed some instructions online and when I tried to follow the instructions it kept failing in Odin; so I've decided not to go through with the root and wanted to get back to stock lollipop, but when I restart the phone I get the error message "firmware upgrade encountered an issue. Please select recovery mode in Kies and try again." But when I plug my s5 in and open kies it always gives me the message "this device isn't supported by kies" and I have the newest version (Kies 3).
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Jul 3, 2015
I have been trying to connect my s6 edge to win7 without luck. I have tried the following (solo and mixing some changes) :
upgrade to latest Kies3
install Smart Switch
install Samsung USB driver
change the PC USB port
enable and disable the developers option
enable and disable the USB debugging
all resulted in the PC to be charging the s6 edge battery.
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May 4, 2010
I was given a BB Curve 8310 to attempt a repair. When I attach the USB cable to the BB the system tray does not pop up with a notification that says "found new hardware" like it normally does when you plug a BB in. When the phone boots up it displays error msg " JVM Error 513". I attempted to looking into the device by using "cracmem" and "JL_Cmder" and no data is to be found and thus there is nothing to wipe. I suspect that the device has already been wiped thus the no data. I have pulled the battery from the phone and reinstalled; unplugged the usb cable during the BB boot process and nothing is happening. The DM application loader will not allow me to procede due to computer not recognizing the BB device thus it is not generating the "USB:UNKNOWN".
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Oct 1, 2011
I cant get Kies or my computer to recognize the samsung galaxy S2. If I connect the phone via USB cable to my computer without kies open, it keeps going in the connect/disconnect routine without stopping. It just keeps looping. If I plug in the phone with Kies open, I get the error message that I have to connect it in a different mode: "reconnect the device in Samsung Kies (PC Studio) mode. Current connection mode not supported by Kies."
I downloaded Kies while in America, but now I am in England going to school. I have a Samsung Galaxy Tab 10.1 that connects to my computer and to Kies flawlessly.
I just got a notification that kies needed to be upgraded, so I did that and still no luck. How can I get this phone play fair with my computer? I have lots of pictures on my micro SD card, and I dont want to keep pulling out the card because the phones back cover is quite crappy and I dont want the tabs to wear out.
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Jun 23, 2012
My blackberry has come up with an error message JVM Error 505. I've tried everything from taking the battery out to updating the latest software on my mac and still the error message appears. when I connect the device to the computer it won't even register my blackberry device. it says that everything is up to date. this is driving me insane.
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Apr 20, 2014
I just finally switched from an iPhone to the new Samsung Galaxy s5, so excuse me if this is a redundant question. I have searched everywhere for an answer and can't find one.
I used "DoubleTwist" to transfer all my songs from iTunes to the s5. When I open the "music" app (which I'm assuming is a samsung app as it came pre installed on my device) all my playlists/artists/songs are there perfectly. I moved all of the songs to the micro sd so that I can have more storage space on the device itself. Now, when I open the same music app it is empty. I can play the songs only if I go to "my files" ---> "sd card" --> "music". They is extremely annoying because that option only has all my thousands of songs in one giant list, no playlists/albums/artists, etc.
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Jun 6, 2015
I've had other phones and never had this problem; you plug in the USB and it recognizes it as a drive. I just switched from S4 to S6 and it won't recognize it. I've even tried different cables.
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Jan 25, 2013
The charger port was having problems and wasn't charging, so I changed the charger flex following online instructions. I am 99% sure I did it correctly as it all works now, but the Galaxy S2 won't recognise my ThreeUK Sim anymore. It recognises others such as orange and t-mobile (It's Unlocked with Root). I put the old charger flex cable back in and it's working with my ThreeUK sim but it won't charge again so I want to know, does the charger flex cable change what sim cards it can read etc? I don't want to order cable to fix my phone before I know what to look for in it in case that has the same problems as the one I've ordered.
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Jan 14, 2010
Does anyone know of a setting that will let this phone work as modem?I have the driver and dial up networking setup but no matter how I dial it it always says error 777 other computer not responding. I think something in the settings default disables it being used as a modem.Any ideas? Maybe something in the *#6984125*# menus?
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