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USB device not recognized on my laptop but recognized in other pcs/lap

Q: USB device not recognized on my laptop but recognized in other pcs/lap

Hello everyone..
Yesterday my laptop pushed a new Win 10 update, and all went fine, or at least I think so.
But today I see that my Sony WALKMAN - which I used with no problem until now, can't be recognized anymore.

Basically it just shows as (E or Usb Drive E: but when I click it it says "Please insert a disk into E:/" like there is nothing there.

Now the interesting part is.. if I go to Device Manager I see it and clicking on properties etc t says it's working fine.

But if I go to Disk Management, the Drive shows as 14 gb of unallocated space and it's greyed out.

However, if I put it on my brother's laptop, it works perfectly and it can be opened, music moved into it etc - it shows as Healthy - Primary Partition in Disk Management. So it doesn't seem broken...

It's the same on each of the 4 usb ports btw. But, other usb devices (2 phones, 1 tablet) don't have any issue and are detected.

What could have caused this? I tried the basic Disable/Enable in Device Manager and also Uninstall Driver.. It doesn't do anything, it appears back when I replug it in.

No change in Safe Mode and no change after sfc /scannow

If anyone has any idea I'd be happy to try anything to fix this..


Preferred Solution: USB device not recognized on my laptop but recognized in other pcs/lap

I recommend downloading and running DAP. It can help sort out any driver and firmware related issues on your system

It's worked out well for many of us in the past.

You can download it direct from this link http://downloaddap.org. (This link will open the download page of DAP so you can save a copy to your computer.)

A: USB device not recognized on my laptop but recognized in other pcs/lap

This problem is being reported by many forum members with many different USB devices. It seems that Windows 10 Anniversary is having problems properly recognizing certain USB drives and devices. So far, no one has come up with a clear fix for this issue but it sounds like it is clearly related to the Anniversary update. For the record, I did a clean install and have not had any issues but most of the people reporting this problem make reference to updating to Anniversary.

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I have a PC which is having a lot of trouble recognizing a USB data acquisition device. Starting from a situation where the PC *does* recognize the device, here is the basic pattern:

1. PC shows device in Device Manager under "Data Acquisition Devices".

2. If the PC is power-cycled via the power plug itself, the device is no longer recognized under Device Manager ("Unknown Device").

3. If the PC is power-cycled via Start Menu --> Turn Off, same results as above, no longer recognized.

4. If the PC is power-cycled via Start Menu --> Restart, no problems, device recognized.

When the device is not recognized, unplugging and replugging the USB cable makes no difference to the situation. In order to correct the issue, I disable and then enable via Device Manager (which also involves a restart).

This pattern is extremely repeatable.

I am working with WinXP SP2, Pentium, 2.8 GHz, 504 MB RAM.

This PC was returned from a customer site - the PC and USB device are used in a machine my company manufactures. Apparently this issue just started happening one day. We want not only to correct the issue, but in fact to understand the root cause and ensure it will not happen again in the future.

Any suggestions would be greatly appreciated - thanks!

A:USB Device Recognized / Not Recognized based on shut-down method

You could try reinstalling the usb drivers.
JohnWill has fix that is worth a try

Johnwill's solution

Create a file with NOTEPAD containing the following lines and save it as FIX.REG
-------------------------- Use text after this line --------------------------------

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Environment]

-------------------------- Use text before this line --------------------------------

Double click on FIX.REG and say yes to the Merge Into Registry question.

Unplug ALL USB devices.
Open Device Manager.
View, Show Hidden Devices.
Uninstall all devices under USB Controllers.
Uninstall all devices under Disk Drives that you know are not present.
Uninstall all devices under Storage Volumes. Say no to any reboot prompts until you are finished. Also, if a Storage Volume doesn't uninstall, ignore it and move to the next one.
If you have a yellow ? with unknown devices, uninstall all of the entries there as well.

When this is done, reboot TWICE.

Reconnect the USB devices and see if they're recognized properly.

NOTE: If you have a USB keyboard and/or mouse, you'll have to modify the instructions and leave enough parts for those to function. I don't have one yet, so I haven't had time to modify the instructions.
Microsoft MVP - Shell/User

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I'm using an Acer Aspire 5100 with Windows XP installed. Due to malware or some other problem, and because I was due, I formatted my hard drive and installed XP. This is the first time I've done so with this laptop. I downloaded and installed drivers that appeared to be missing - my display drivers for my monitor, and for the wireless card.

Problem: I can hear no sound. The only sound that has played is a PC Beep. Windows does not recognize my sound card; the drivers are not installed properly. It seems that I cannot install them.

The PDF containing the list of drivers is here: http://www.acerpanam.com/synapse/forms/acerdrivers.cfm ; scroll down to Aspire 5100.

My sound is not working. Volume Control tells me there is no mixer, and everything dealing with my sound settings is faded out (there are no devices to select), and no options.

Here's my device mananger: http://i31.photobucket.com/albums/c395/-FLCL-/DeviceManager-1.jpg

I have only updated drivers for the BroadCom Adapter and my Monitor/Display.

The driver I should have installed for sound, according to the PDF, is the Realtek Audio Driver v5.10.0.5257. I downloaded this, but cannot install it. Under my device manager, I have 'Audio Codecs' and 'Legacy Audio Drivers', but those don't seem to work. I cannot uninstall them, and windows will not let me override the drivers with my own.

Thanks in advance.

A:No Sound device/mixer recognized on formatted laptop.

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I tried replacing the hard drive on my Inspiron 9300 with a 200G drive.  The administrative computer tools in Windows XP recognized it, but the BIOS showed it as 130G or so.  I finally had to replace the drive with a smaller one.  I had the latest BIOS version.  Is there a BIOS fix that will allow the larger hard drive to be used?

A:Hard drive not recognized by BIOS but recognized by WINDOWS Inspiron 9300

Not on the 9300s that use EIDE (parallel ATA) drives, no - the limit is 137G in BIOS setup.

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I just rebuilt an old system using Windows 7 Home Premium after using WinXP pro for many years. The primary hard drive is WDC 150 Mg and Win7 is installed and updated to current with SP1. I dropped a second WDC hard drive in, formatted and was going to use it for a 2nd backup unit. Both of these are sata. Both hard drives are recognized by Disk Management but when I select Computer on the start menu ONLY the primary 150 Mg drive is recognized. If I plug in an external drive, both Computer and Disk Management recognizes the external drive. How do I have Win7 recognize my backup WDC drive so I can use it.

Thank you

A:hard drive NOT recognized in computer but IS recognized in disk mgmnt.

Quote: Originally Posted by PERSIL

I just rebuilt an old system using Windows 7 Home Premium after using WinXP pro for many years. The primary hard drive is WDC 150 Mg and Win7 is installed and updated to current with SP1. I dropped a second WDC hard drive in, formatted and was going to use it for a 2nd backup unit. Both of these are sata. Both hard drives are recognized by Disk Management but when I select Computer on the start menu ONLY the primary 150 Mg drive is recognized. If I plug in an external drive, both Computer and Disk Management recognizes the external drive. How do I have Win7 recognize my backup WDC drive so I can use it.

Thank you

Had similarities on my pc.

Goto BIOS, there you have 4 options.

Primary Master
Secondary Master

Primary Slave
Secondary Slave

Set it as follows:

Primary Master -----> Main Boot HDD
Secondary Master -----> EMPTY

Primary Slave -----> CD/DVD RAM
Secondary Slave -----> Secondary backup HDD
Hpe it helps!


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I have a Fujitsu P1510D, XP Pro w/ SP2. Just received my NU USB2.0 DVD drive. When I first plugged it in it wasn't recognized, a little fiddling and it was... and Nero started to install. I stopped the installation and ran AVG to check for viruses. AVG ran fine, but when it stopped, seems the drive went *poof*. Nero's install screen was still up, but it couldn't find anything.

I've tried plugging it into both of the laptop's USB ports and into the hub, not recognized. Reboots with and without it plugged in. Removed "unknown device" in Dev Manager, plugged back in. Nothing. It doesn't show up as a drive, and each time I plug it back in it says the drive "malfunctioned". Tried going into Administrative Tools/Drive Management, but only the hd is there..

Tried System Restore. Interestingly, in going through the prompts, it said that no changes would be made to Device D:, though that drive letter wasn't there.

I've tried it on another laptop too, it says installing, ready to use, malfunctioning. Does this mean it's completely hosed and I should send it back, or is there something else I can try before I box it back up?


A:Solved: "usb device not recognized" on laptop

The fact that it failed the same way on two systems doesn't bode well for the health of the drive. I'd send it back.

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Hello everyone,
i hope you can help me sorting out this issue that is causing me a hard headache at the moment.

I've bought this new Lenovo Z50-70 laptop with windows 8.1 preinstalled on it. Fresh new.

I'm trying to connect via usb a guitar audio interface (Line6 POD HD500) so i installed the drivers via the .exe setup file i downloaded from Line6's site.
The device worked fine on my previous HP pavilion with windows 7.

Now when i completed the installation, i connected it and i had this error:Windows has stopped this device because it has reported problems. (Code 43)A request for the USB device descriptor failed.
I used slimdrivers to update all the other drivers, in case it was a conflict causing the error.
I checked via command prompt with command "pnputil -e" and i saw a driver from the vendor of the device listed, so it is installed correctly i think.
I tried all USB ports i have, 3.0 and 2.0 on one side of laptop and 2.0 on other side.

When on device manager, if i click update drivers and choose the "let me pick from a list of device drivers.." i don't see the company name of the device.

i saw that another guy posted a really similar problem on SevenForum and he figured out how to force windows to use the drivers but he didn't post the solution.. Here is the post: Can't get Windows 7 x64 to use the drivers I've installed repeatedly Solved - Windows 7 Help Forums

Edit: the software tool from which i can update drivers and other things for my g... Read more

A:USB device not recognized. Device descriptor request faile

I am having the same exact problem as you, Cattanius. I couldn't get it to connect to my computer over 2 years ago and then just decided to try it the other day. I didn't expect anything to show up in device manager because I thought the usb port was fubar, but then I see the same message you got and all of the sudden there's hope! I hope.

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I have an 8GB sd card i used while traveling and upon trying to get the pictures from it the computer does not recognize the card at all, no prompts, nothing. I have tried it in multiple pcs and macs and no response. My Cannon Rebel XS camera says no images found. However, when I plug it into my brother's Cannon PowerShot it actually recognizes and shows all pictures on the card. Does anyone have any reason why this is happening and how I can recover the pictures? I am not willing to just format to make the card work again, I must have these pictures.

A:SD Card not recognized in computer but recognized on camera

Have you tried leaving the card in the camera and attaching to the computer to d/l the pictures that way. I have an Olympus camera and the pictures will d/l fine with the card left in the camera.

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Hello all. It has been a while since I've needed help but my run of luck has hit an ugly downturn. Moved my computer three weeks ago and had not plugged it all back together till last night. All these years I had used it without a password to log in but a few months back a tech friend expressed horror at this so I started using one. Last night no matter what I did it wouldn't let me log in, saying incorrect password. Today as I messed around again I went through the steps of asking it to reset password (even though I didn't have disc for reset) and realized it does not seem to be recognizing my internal drive. If one of my externals are on they come up but if I turn off externals I get a bubble that says 'No Drive. This feature requires removable media etc.' My drive seems to be running and the Windows logos do appear during boot. My keyboard seems to be functioning to type password, but when I hit F8 while rebooting I get no reaction, so cannot boot to safe mode, just goes right back to log in page. I have had mold/moisture issues in this new house but have had a dehumidifier running since just a few days after computer arrived here. However I do see some evidence of mold or dust in the case, not a lot but some. Not sure what the root of this problem is but I am trying hard not to panic. Any ideas?

A:Internal drive not recognized/password not recognized

Your tech. friend may have mis-understood when you need a password.
If you are at home and only you and you trusted family have access to you computer, there is no need whatsoever for a logon password.
The only time I have ever needed one is when I was using my own laptop on clients site when I was contracting and I would leave it on the desk over lunch.

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This has been a problem for some time now, and one by one all of my flash drives seem to be malfunctioning. When I insert the devices into the USB port it comes up with the message on the bottom right side of the screen saying "USB device not recognized" and when I click on it it says to "reconnect the device, if Windows still does not recognize it, then please replace the device".

I have tried various methods on the internet and I have also tried inserting it onto other computers but it seems to be the actual device and not the USB port that is the problem. What annoys me the most is that I was about to make a backup of the data on another flash drive, and I am really hoping I can recover it (about 13 years of photos etc. on there).

It must be the connecter as when I insert the device it vibrates and I can hear the disc (or whatever it is) spin and it even makes the sound on the computer (at least its picking it up) yet when I access My Computer there is nothing there. Intrestingly when I unplug it for a short period of time a folder comes up titled something along the lines of "General drive" (I forget what it is called and will check later when I have it with me). When I click on this it comes up with an error message saying "J: Drive refers to a location that is unavailable.."

I hope this can get fixed eventually,
thanks in advance.

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hello, last night i took my sisters mouse and use it on my laptop then once i was done using it i place it back into ther USB and a message in the bottom right told me that the USB devise was not recognized, also i rtyed putting it in the one where the keybord went into then the keybord was not recognized eather?? im guessing it has to do with the USB's its self and not the mouse/keybord? it also might be some kind of visus i already got rid over over 2k visus's from her pc

A:USB Device Not Recognized

Your sister's laptop might need Windows reinstalled if you removed 2K viruses from her computer. Go to the Virus & Malware Removal thread and perform the 8-Step removal instructions. Post the logs created

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Here we go again,
my xp notebook constantly displays the "usb device not recognized" etc.
I don't have any usb devices plugged in!
Also, i get the pop up, up to 4 times when i open the top on the netbook.
It's an msi U210.
xp home
Thanks in advance

A:usb device not recognized...xp

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my hp Laserjet p1006 say the of the USB devices attached to this computer has malfunction and window does not recognize it. i have tried it to different computers but t still say the same problem. please help

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My hp Laserjet P1006 printer say one of the USB devices attached to this computer has malfunction and window does not recognize it. but i tried different laptops and and desktops but it repeat the same message saying, one of the USB devices attached to this computer has malfunction and window does not recognize it.

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I have a customer with a new notebook computer running Windows XP. It's a custom built computer from Nobilis, so I don't have a model number to provide. Several times a day, it shows a "USB device not recognized" error message (see screenshot below). Unfortunately, I couldn't reproduce the error last time I was on-site, so he emailed me this screenshot. He doesn't connect anything to the computer (not even a printer or mouse). Any ideas what would show up as unknown, but only sometimes?

A:USB device not recognized

Take a look at all the usb ports and see if one looks damaged.
if there is a bent pin Mike it can cause that error

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Hey all,
I'm running win 7 64bit on a P6X58D premium mobo

I just build the computer and had a brand new SSD that i loaded windows onto. now none of my USB stuff will work
none of them work, but when I plug them in windows detects them and just goes right away and says that they dont work usb device not recognized)

I've tried updating windows, disabling usb in the bios, turning off and unplugging and waiting a few minutes, installing all the drivers I can find for usb, nothing seems to work.

Please let me know if anyone knows whats going on and how I can fix it! thanks!!!!

A:USB Device not recognized

Brand new install of M/board etc

Double check front (& rear) usb peripheral leads/connections. Could be wrong way around or connector misplaced & missing pins.

Did win 7 update all its drivers over the internet - not off your motherboard cd?

Are there any malfunctioned drivers in 'device manager' Try clicking on the very top icon and "scan for hardware changes" one or two drivers may be lurking and not loaded properly at first install.

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Hello guys, i recently bought a laptop and bought a mouse, speakers, etc, but suddenly, windows asked to restart, i restarted the laptop and when i turned it back on the Mouse wouldn't work anymore, flash drives won't work either, i did system restore and it wouldn't fix, i had to re-install the OS to get it working again, it did, now i turned off the laptop at night to go to sleep, and when i wake up and turn the laptop on, the usb units won't work again.

I already did going to device manager, uninstall everything under usb and restarted, but nothing happened.

Hope you can help me


A:USB Device not recognized


It sounds like the USB devices are going to "sleep" and not turning on again. Turn OFF selective suspend using this, and see if it helps.

USB Selective Suspend - Turn On or Off


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Firstly, sorry if this is in the wrong forum, I wasn't sure where to put it.

For the last week or so I keep getting this error message in the bottom left hand corner of my screen.

"USB Device Not Recognized
One of the USB Devices attached to this computer has malfunctioned, and Windows does not recognize it. For assistance in solving this problem, click this message"

After clicking on it I get another window which consists of "USB Root Hub (2 Ports) and a drop down of Unused Port and Unknown Device. I have attached screenshots of this to help.

The only things connected by USB are my Wireless Adaptor, Speakers, Mouse, Keyboard and occasionally printer. Everything seems to be working fine so I can't see the problem, probably something simple that I'm missing.

Any help would be greatly appreciated.

A:USB Device Not Recognized

Go into the Device Manager and see if you see any yellow question marks. If so post a screenshot.

Try unplugging each USB item until the issue goes away seeing which is the issue.

It may be the printer coming awake from being asleep.

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Well, just a couple days ago, I went to plug in my PSP system to put music on it. I have done this many times in the past, and I do it quite frequently, so I expected it to be like every other time, but, to my surprise, in the lower right of my computer screen, an error message pop'd up reading,

"USB Device Not Recognized
One of the USB devices attached to this computer Has
malfunctioned, and Windows does not recognize it.
For assistance in solving this problem, click this message"

When I click the message, all it shows is my USB ports, with my PSP as a not recognized USB device... What happened? I'm stumped.... Keyboard USB's, and Bluetooth USB's still work, just not the PSP. I've formated, and un-installed and re-installed, and nothing works... >.<

A:USB Device Not Recognized

Help Plox... Also, my PSP works on other computers, so It's not the PSP or USB cord...

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It started a few days ago. My external hd is not recognized. also my usb head set doesn't work. My ipod and sansa mp3 players work find as well as my usb thumb drives. I posted here because I am not sure if this is a hard or software issue. Thanks in advance for any help.

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I just purchased a game controller, specifically a thrustmaster firestorm dual analog 3, and it is supposed to be automatically recognized by windows 98se, as an "HID compliant Game Device" however, nothing happens when i plug it in to one of my computer's usb ports. The LED on the controller lights up when i plug it in, so its getting power, but it is not being recognized. My usb ports are on a pci card, so i'm not totally convinced that they are working, but they show up in the device manager. I'm wondering how I can be sure that my usb ports are functioning correctly, and if they are, what can i do to get my computer to recognize the game controller when i plug it in.

A:usb device not recognized

The easiest way to check them is to find a USB device that you know to be functional and try it on your system.

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Hello, I have a desktop computer with xp 2 installed, 250 gb seagate hdd, intel dual core proccessor, asus k5kpl motherboard. I have 4 ports. Few days ago I bought nokia c2-02 and also bought a data cable. When I attached it to the computer it said "Usb device not recognized". Coudn't understand was it a data cable or phone problem ?? Few days later I bought a bluetooth device to connect my phone but I got the same message "usb device not recognized" when I connected the bluetooth device. I tried all 4 ports. But my pendrives and memorychips are working fine. Have no Idea what's going on. Please help me. I wanna know what is doing problem? Is it the devices or my computer ports or others ?

A:Usb device not recognized

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I tried looking up what could cause this, but too many results and nothing percise.

I have an custom made computer with an intel motherboard (an old D850GB) all was well and then I reinstalled windows p. I used to have USB when I first installed it, but I think I wound up getting a bunch of windows updates all at once, and then the next thing I know when I tried to access something with USB, NOTHING happened.

I have a PCI USB 2 card that doesn't work and neither do the two slots on the motherboard. I have NO Idea what could have gone wrong. Any pointers would be nice.

The motherboard comes with a cd, and I tried to install the software that came with it but it fails every time.

I'm totally stumped.

A:No USB device recognized

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Hello, when i plug in my ipod to my windows xp computer, the following pops up in the bottom right hand corner in a little box with an "!"

One of the USB devices attached to this computer has malfunctioned, and Windows does not recognize it.

A:USB device not recognized PLEASE HELP!

As always this could be due to quite a few things.

Bad USB cable
Bad/Loose Connection

Though a more common reason for this is drivers.

I would check the Device Manager for "splats" (eg. !, ?)

You may just find your device in their, just waiting for the drivers to be installed!

Let me know how it works out.

Also, for a site with some other good ideas, look here: http://www.genesoc.com/node/405

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i formatted my WD My Book external hard drive and still when plugged in, the "drivers" are not found. shouldn't it simply be found as a USB Mass Storage Device? any help would be greatly appreciated
EDIT: ok so just as i was about to give up hope searching the internet i found this article, followed the instructions and it actually worked!

Vista Driver Problems installing a USB Media Reader - A solution! Teknobabble’s Weblog

if anyone else is having these problems, check the article out.

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I have a Gateway 4540 Laptop with XP Pro SP 2.I dropped it the other day. Anyway, I use it with an iPod. When I moved the usb cord to the iPod the computer went off...cold. It would'nt start. The power light just flickered when I pushed the power button. After a few minutes it powered up when I pushed the button but it no longer recognizes any usb devices including a mouse, the iPod, storage device, nothing. I get a pop-up saying "usb device not recognized...One of the usb devices attached to this computer has malfunctioned, and windows does not recognize it." I checked the device manager. Everything seems to be in order and working. When I open it there are no expanded catagories, usb or otherwise. I read an article saying that it was a service pack problem so I installed service pack 2, which I was avoiding. Now the pop-up does it's thing on it's own instead of when I plug something in to the usb. By the way, before I installed sp2 I ghosted everything back to before this all happened with no help. Another thing, just before all of this happened, I transferred some mp3's with a scandisk usb flash card when I clicked on the icon to disconnect the window poped up telling me to select the device you want to unplug and click stop. Well instead of selecting the device I selected the top of the tree, the one that says mass usb storage device with the usb emblem and then clicked stop. I don't know if mabe I stoped the usb controler from running o... Read more

A:usb device not recognized

I have a Gateway 4540 Laptop with XP Pro SP 2.I dropped it the other day.Click to expand...

Sounds like you`ve damaged the laptop.

Take it in for repair.

Regards Howard

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My Buffalo HD-HB250U2 ext. harddrive is not recognized when I plug it in.
In device manager it is listed as unknown device

Help please I have all my music on that drive


A:Usb Device Not Recognized

if the harddrive came with a disk install it. if it didn't, go to the manufacturers website and try to find a driver for it.

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Hey guys. I'm trying to get my Cowon J3 MP3 player to work with my HP Elitebook 8440p. I know, I know- who uses MP3 players anymore right? Well I love this thing to death- it sounds great and has awesome battery life even after something like 7 years or more.

My problem is when I try to connect it to my Windows 10 laptop I get 'USB device not recognized." I've googled the problem as many ways as I can think to do so, and tried many solutions but nothing seems to work. the device is able to connect in both MTP and MSC mode, but neither will work.

I'm currently traveling, and before I left home I plugged it into my windows 10 desktop and interacted with it via windows media player no problem, so I find it unlikely to be a problem with the player itself. I'd try it on another computer but I'm surrounded by macs... (I did try plugging it into my roommates mac just cuz but no luck there either).

If anyone could suggest something that might get this gem of a legacy device to interact with my laptop I'd be extremely grateful
Thanks for reading!

A:usb MTP device not recognized

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I recently posted here about a USB problem. The thread is located here: Unkown Device - Usb - Tech Support Forum

Please read my initial post and the responses before you post to this thread.

The solution in that thread worked for a few days until the problem was back all of a sudden. So i uninstalled all USB devices and re installed all under the n7110 drivers in the chipset section. This again worked for a few days until the problem returned. But now, the problem seems to be there no matter what even if I do an entire reinstall of my drivers. Any help?

A:Usb device not recognized

Please do not make a new thread about the same problem. Just continue on with your other post.

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I am trying my darndest to set up a home network. I finally got done with the main computer last night, and it's working fine with the wireless router - Linksys G Speedbooster, after spending hours on the phone with Link tech support and then the DSL company to get them to see each other.

The problem is now I can't get the older computer to "recognize" the USB wireless adapter I'm plugging in. The computer is an older model HP Brio running XP Pro, and the tech guy from Linksys is telling me that the USB port (there's only 2 on the back of this machine) is too old/slow, and that's why I'm getting the error message in the title of this thread. He said I should contact HP to "update the USB drivers." Is that even possible? Based on what I'm reading, it sounds like I need either a wireless adapter "card" as opposed to the USB type (to avoid the whole USB issue?), or get a new card for the USB to get it to work faster and see the newer stuff I'm plugging in there.

Your thoughts are much appreciated...this is exhausting!

At this point,


A:USB Device Not Recognized

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plz see attached file, i have to bear the notification sound continuosly,
i have tried uninstalling and reinstalling, updating but still problem not resolved.

A:USB Device not recognized

Quote: Originally Posted by farrukhali14

plz see attached file, i have to bear the notification sound continuosly,
i have tried uninstalling and reinstalling, updating but still problem not resolved.

Ok so I saw the attached file. Whats the question/problem?

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Here is the background on my system.

HP Pavilion DV7t 3000 CTO running W7 SP1, Intel Core i7 processor, 4 GB RAM.

Had an issue pop up the other day involving the left hand side dual USB ports where if I connect ANY peripheral USB device that device is not recognized. I thought it may simply be a driver issue so I checked for driver updates and none where found. Both ports run off of one power strip inside the laptop. Pics enclosed. I have tried everything known to man (at least that I can find via Google) to try and resolve the issue aside from replacing the USB ports. Finding the part shouldn't be too hard but installing it may be without a detailed breakdown of how to do it.

Before I drop my time and money on a new USB board what else can I try?

A:USB Device Not Recognized

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Greetings everybody,

I have a Removable Memory of over 200GB where I saved all my videos and photos plus other stuff. Recently, every time I go to My Computer, either I don't see any G or if there is, then all the items show empty folders. After I pluged and unpluged its USB and power cables, it usually worked. Today, however, I cannot make it work. Everytime, I plug it to the computer, I get a message saying:
"USB device not recognized. One of the USB devices attached to this computer has malfunctioned and windows dows not recognize it. For assistance in solving this problem click this message." I do click the msg but I don't get anywhere.

What do you think the problem could be? I am terrified of the possibility of losing years of photos and videos. This was supposed to work as my backup system!!

Your help is greately appreciatred,

A:USB Device not Recognized

Make sure your external drive is unplugged and go into device manage - scroll down to your usb ports and delete them. Reboot the computer and see if your OS, XP I assume, re-establishes your drivers for them. then plug in your HD and see if you can find your files. Luck Jazz

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Hello Tech guys,
I am using HP PC with OS: windows 7 64-bit,
have iTunes installed and always updated, in recent few days I couldn't connect my iPhone 4s with the PC, and seeing a message that saying (USB Device not recognized).
I tried to restart, to remove iTunes and re-install etc..
becoming very annoying since I can't download some stuff to PC,
any idea that help to solve this issue will be highly appreciated,
Best regards

A:USB device not recognized

Does it only happen with iTunes?

They have a few more suggestions here: http://support.apple.com/kb/TS1538

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Every time I plug in any USB device into my Acer Aspire 5100 laptop, I get the dreaded USB device not recognized pop up message. I have been trying for months to fix this, but cannot find any solution.

some info:
Vista home edition 32bit
AMD Turion 64 x2 mobile TL-52
Acer Navarro MOBO, ATI Xpress 200 chipset

I have tried unplugging the computer and letting the battery drain, updating drivers, system restore... nothing helps.

the problem started about a week after I reinstalled windows on my machine after a power outage caused my computer to cease booting at all. I plugged in my new ipod nano, and updated it one time, and then my USB ports never worked again after that first time plugging in my nano. No devices work, no mouses, no printers, no flash drives.

please help! Thank you!

A:USB device not recognized

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I recently wanted to use the Mobizen app on my android phone, so I installed the app on my phone and PC, but when it came to me plugging my phone into my PC the "usb device not recognized" pop-up came up on the bottom right of my screen, this did not happen before, I really need help.

Thank You,

A:USB device not recognized

The app should have no effect on the phone being recognized by the PC.

What OS are you running?

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I use a Dymo label printer to print shipping labels for my business. Earlier today, it was working fine. A few hours ago, I went to print a label...and nothing happened. So I checked the printer and it said "offline". In an attempt to try and bring it online, it then gave me the status of "not connected". Then, I uninstalled the printer thinking I could reinstall it and fix all my problems. So now, i've been trying to re-install my printer, but when I go through the steps for the Dymo software and I get to the spot that says, "now plug your printer into the USB port and Windows will complete the install process", I get an error message that says "USB device not recognized. The last USB device you connected to this computer malfunctioned and windows does not recognize it".  Please help! I need to be able to print labels!THanks in advance

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I'm Running Vista 32bit home edition on dell 1420 laptop.

i took my USB key to work this morning to get some files but it wasnt recognized by any of the computers... then i came home and moved my harddrive from my laptop to my roommates computer to transfer some files but thatt was not recognized there. ( it was working minutes b4 on my own laptop). came back to my laptop and now my USB flash driver and my external harddrive are not recognized by my own laptop either...

i get the message "USB Device not Recognized" they don't show up in disk Management for me to be able to format them

My usb drives seem to be working fine since my wireless mouse is still working.

the flash drive is a kingston 2gb datatraveler one. i got it last boxing day. didnt actually ever use it has been on my desk for a couple of months now.

my external hardrive was working minutes b4 i disconnected it to move it to my friends computer.

I have ALOT of data on my seagate 320gb hard drive and really really need them.

any help would be appreciated.

A:USB Device not recognized


well i connected my harddrive to desktop directly and found it to be working properly... got a new enclosure and its back to normal..

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Hello. This is frustrating me a lot.

Yesterday I finished working on a song with my M-Audio Keystation 61ES and switched it and my computer off. The next day, I go to plug it in and turn it on, and Windows 7 greets me with "USB Device Not Recognized, USB device has malfunctioned"

I have downloaded the latest drivers from the M Audio website, I have reset the computer (and turned it off at the wall), uninstalled the driver with device manager and manually selected the new M Audio drivers, added a registry key (http://www.ntcompatible.com/Desperately_need_help_---_USB_Devices_Not_Recognized_t32356.html), tried a different USB port, tried a different USB cable.

What happened? Why is the device suddenly not working today?

Running out of ideas, all help is appreciated.

Windows 7 Ultimate 64 Bit
Gigabyte G880GM UD2H
AMD Phenom II x4 955
AMD Radeon 6870

A:USB Device not recognized

Test the device on another PC. Then you will know if you have a PC or USB device issue.

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I am getting a constant error. When the error happens I hear the usb connection alert sound and a pop box appears in the lower right corner of my screen.
I tried installing the chipset drivers again and when that didn't work i did a system reinstall. The only us devices I am using is my wired mouse and keyboard. Both usb devices work. I am not sure what else to do.

A:USB Device Not Recognized

hi and welcome to seven forums

have a read of this link here it covers your problem >>> Fix Windows 7 “USB Device Not Recognized” Error>>> Fix Windows 7 “USB Device Not Recognized” Error | Windows EXE Errors

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First off i have to say i know VERY little about computers. this morning when i turned my computer on i couldn't get my external hard drive to work . I kept getting the message USB Device not Recognized.....One of the USB devices attached to this computer has malfunctioned and windows does not recognize it. I then unplugged everything from my usb ports and figured out that the only things that would be recognized were the mouse and the keyboard. I have tried the system restore but that has not helped. The Device Manager Just says No drivers are installed for this device even though i have (up until this morning) been useing these devices with no problems for months.

A:USB Device not Recognized

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Hi guys-

I just bought a new mobile phone and tried to connect it to my PC using a USB cable (which came as an accessory with the phone), Windows XP SP3 gave me the following error: "USB Device not recognized". But the phone is charging and I checked Device Manager->Universal Serial Bus Controllers and there were no yellow exclamation marks either.

In total I have 6 physical USB Ports, 4 in the back & 2 in the front. On one of the ports on the back I have my HP Printer connected (the device is in power off mode).

The error message displayed is consistent for the 2 ports in the front, but for 2 out of the 4 ports in the back the phone connects perfectly displaying the internal & external memory in 2 separate drives, as for 1 port in the back it says "High speed usb device attached to non high speed hub"

What is going on??

System specs:
Motherboard: Intel 945GTP
Processor: P4 3.2 GHz
DVD Writer: HP dvd1260
Video Card: nVidia 9500 GT 1GB

A:USB Device not recognized

Hi Ax, Heres a link I found that shows a fix for your exact problem.


It simple and definately worth a try. Let me know if I can help further. I will monitor this thread through out the day. If this fixes your problem please post back so I can move on to other issues.


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1. It used to work (the flash drive)
2. It works on other computers
3. Other USB devices work

I am using Windows XP SP1

A:USB Device Not Recognized

Try this click Start>>Run type cmd click Ok.

In the Command Prompt type chkdsk /r click Enter

You will be asked if you want a check disk to run on next startup click Y and then press Enter

Restart your PC

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My mainboard is an Intel 440ZX 100Mhz. I have a P II 400. Also, I'm running Windows 98.

Anyhow, the mainboard has 1 PCI slot which has my 56K Motorola modem into it. The modem has a jack for a microphone (which is the only reason I need it, to use my mic).

I haven't used the modem in over 1.5 years since I have cable internet, so I don't know when my the modem became inactive.

Anyhow, when I went to Control Panel -> Systems -> Device Manager, I am told the PCI Communication Device is unknown, so I clicked the remove button (to remove the PCI device, hoping that the next time I reboot, Windows will notice the device and tell me to install it).

When I reboot, windows didnt' recognize it, so how can I get windows to recognize it? I opened up my PC and made sure the modem card is plugged into the slot correctly already.

Thanks in advance.

A:PCI Device not recognized

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I have a Philips Freevents laptop. This afternoon when booted it up the USB Mouse wouldn't work (the red LED is off too) and I got a messages that a USB Device is not recognised.

I have tried two other mice and neither worked, although their LEDs lit up.

When I clicked on the messages in Windows it told me that a USB Root Hub wasn't working.

I scanned previous threads and uninstalled all the root hubs and the unknown device in Device Manager. These then reinstalled during a reboot. But it hasn't made any difference - still getting error messages and mice not working.

Begninning to assume it's a hardware fault with the hub - but strangely an MP3 player is working fine and charging from the USB port.

Any help gratefully recieved.



A:USB Device Not Recognized

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When I plugged my HP Scanjet 3970 to my PC, Windows show me a message "USB Device not Recognized". What is my problem?

 My Motherboard USB is 2 and 3.

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