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This page offers six solutions to fix the USB device not recognized issue in Windows 10/8/7/XP. If you get this error message 'The last USB device you connected to this computer malfunctioned, Windows does not recognize it' or you cannot open your device, accessing data, read this article to fix this issue without data loss.

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6 Fixes| USB Device Malfunctioned and Not Recognized

This page unveils six solutions to fix the 'USB device malfunctioned and is not recognized' issue. If you are having this USB device error, don't worry. Pick up any method below to make your USB recognizable and work again.

Workable Solutions	Step-by-step Troubleshooting
Fix 1. Unplug Computer	Shut down computer > Unplug the power cable > Replug and restart the computer a few minutes later..Full steps
Fix 2. Change USB Cable/Port	Check the available USB cables and ports one by one > If USB cable or ports itself is damaged, change it ..Full steps
Fix 3. Update Device Driver	Open Disk Management > Expand 'Universal Serial Bus Controllers' > Right-click 'Generic USB Hub'..Full steps
Fix 4. Fix Root Hub	Open Device Manager > Expand Universal Serial Bus Controllers > Right-click USB Root Hub..Full steps
Fore More Fixes	Change USB settings and reinstall USB driver to make USB recognized (in Fix 5 and 6)..Full steps

Update/Rollback a device driver if the USB device not recognized. Device Manager operation is another widely suggested way to troubleshoot a non-recognizable USB device on Youtube and IT forums. Does this method apply to your situation? Go on to have a check. Type device manager in the search box to open Device Manager. This software lets you discover devices and display basic information about them such as name, status and connecting part. It also acts as a base to install plug-in software with additional features. The following functions can be used by installing plug-ins which are enclosed with the download file: - Review and change device set-up information. Turn over the device so you can see a label on the back or bottom of the unit. Look for a character string next to the serial number, the looks like: “VER X.X”. This is the hardware version of the device. Note 1: The firmware of EU and US are different hardware versions, do not use each other's firmware to upgrade your device. Download Acer support drivers by identifying your device first by entering your device serial number, SNID, or model number. The selection of a controller is the first step to building a driver. It must have a minimum of 4 output pins for the stepper. Additionally, it must contain timers, ADC, serial port, etc. Depending on the application in which the driver will be used.

'USB device not recognized' is an error that usually occurs to the Windows computer when you plug in a USB device. Here, the USB device mentioned by Windows is a general concept, not limited to a USB hard drive or flash drive, but other devices using a USB port for connection, including a USB mouse, keyboard, Android phone, camera, printer, etc. When Windows generates such an error, the USB will not show up on your computer. As a result, you can't open your device or access your data. In different situations, the error is followed by different messages.

'The last USB device you connected to this computer malfunctioned, and Windows does not recognize it.'

'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.'

The USB device malfunctioned and not recognized error has frustrated a large number of users. If you are one of the victims, here are some fixes you can try to resolve the issue and make your device detected.

How to Fix USB Device Not Recognized in Windows 10/8/7/XP/Vista

If your device is not recognized at the moment, you can try the below six solutions to make it show up again. You don't have to try every method, but we strongly recommend you follow the sequence, which our experts have tried many times.

Fix 1. Unplug your computer to fix the USB device malfunctioned

It sounds like a piece of cake thing to do, but it works! For most of not recognizing USB gadgets, there is typically nothing wrong. A computer restart could solve it. This way is meant to reboot the motherboard, which has all of the computer hardware connected to, including the USB ports. Rebooting the motherboard usually helps solve the temporary insufficient power supply for outside devices.

Step 1. Cut your computer power at its source, which is unplugging your computer from the wall outlet.

Step 2. Leave the computer alone for a few minutes, and then replug it in the wall outlet for a restart.

Step 3. Now check if the computer is able to detect the USB device and assign a drive letter to it.

If this fix failed, don't panic, the next methods are also doable.

Fix 2. Change the USB cable or USB port to Fix USB device not recognized

Is the computer's USB port working properly? You need to check the available USB ports one by one to see whether it is a computer hardware problem or a problem with the device itself. If changing to another port solves the problem, then there is something wrong with the previous port. You can give up that broken port, or send your computer for repair.

Fix 3. Update/Rollback a device driver if the USB device not recognized

Device Manager operation is another widely suggested way to troubleshoot a non-recognizable USB device on Youtube and IT forums. Does this method apply to your situation? Go on to have a check.

Step 1. Type device manager in the search box to open Device Manager.

Or you can press Windows + R keys simultaneously to bring up the Run box, then type devmgmt.msc, and hit Enter.

Step 2. Expand 'Universal Serial Bus Controllers' and you will see the item called 'Generic USB Hub'. Righ-click on the first Generic USB Hub and choose Properties.

Step 3. Now, navigate to the 'Driver' tab, choose 'Update Driver..'.

Step 4. When asked how do you want to search for driver software, there are two options.

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1. Search automatically for updated driver software

This way is an automatic update by Windows. When it finished, all you need to do is to disconnect the USB device, restart the computer and reconnect it again. Windows will install the latest driver for you.

2. Browse my computer for driver software

When you choose this option, you need to continue with the other pop up 'let me pick from a list of device drivers on my computer.'

From the list, select Generic USB hub, which normally the only choice. Click 'Next' and then Windows will install the driver for you.

In the same path to update the driver, you can also try to roll back to the previous driver before the error occurs. Instead of selecting 'Update Driver' in the 'Driver' tab, choose 'Roll Back Driver' this time.

The changes made on the computer power and the device driver should take effect, and your USB device will no longer report issues. Otherwise, try the rest three methods one by one.

Fix 4. Fix USB Root Hub to Fix USB drive not recognized

The USB root hub is the software driver that lets you connect multiple USB peripherals to your computer. Most computers have multiple root hubs so you can share the data bus across multiple devices. So if the computer cannot recognize your USB drive, you can try to fix the USB root hub.

Step 1. Open Device Manager. Find the Universal Serial Bus controllers option and single click it to expand.

Step 2. Find the USB Root Hub option in this category. Right-click it and choose Properties.

Step 3. Go to the Power Management tab and uncheck the 'Allow the computer to turn off this device to save power' option. Then click OK to save your change.

Fix 5. Change the USB Selective Suspend Settings

Another possible reason why your USB got malfunctioned is the hub driver suspends the USB automatically. In this case, change the USB selective suspend settings could help.

Step 1. Right-click on the Windows icon and click Power Options.

Step 2. In the Choose or customize a power plan windows, click Change plan setting

Step 3. In the Edit Plan Settings window, click Change advanced power settings.

Step 4. In the Power Options window, find and expand USB settings, expand USB selective suspend settings and Disable both On battery and Plugged in settings.

Step 5. Then Click Apply and OK to save the settings.

Fix 6. Uninstall USB device driver to make USB recognized

Being different from the options of updating or degrading the driver version, uninstalling the driver could result in a total disability of all the USB ports. So take care of this last-try method.

Step 1. Quanta computer apbu laptops dell. Open Device Manager (Right Click on Windows Logo and Click Device Manager).

Step 2. Now find and expand Universal Serial Bus controllers. Now right-click on USB drivers and click Uninstall. Do for all USB drivers one by one.

Step 3. Now, restart your PC. The USB drivers are automatically re-install and solve the corrupted USB devices problem.

Further Troubleshooting: Data Recovery

Those six ways we mentioned above are all the possible ways said to be helpful to fix the 'USB device malfunctioned and not recognized' error.

If one of the fixes worked, you should be able to access your USB and use the saved data again.

What if you opened the USB drive but find something missing? You need third-party software to retrieve your data. Here, EaseUS disk data recovery can help even when your USB device is listed in disk management but not showing up on your computer. The program works well in Windows 10/8/7/XP and other previous versions.

Step 1. Run USB data recovery software.

Connect the USB flash drive to your computer and launch EaseUS USB data recovery software on your PC. Select your USB drive which marks as a removable disk, and click 'Scan' to start finding your lost files.

Step 2. Scan all lost files from USB.

EaseUS Data Recovery Wizard will thoroughly scan your USB flash drive and find all your lost data on it. After the scanning process, use the Filter feature to filter a specific file type. You can check and preview found USB files in this program.

Step 3. Restore all lost files from USB.

A double-click will allow you to preview the file results. Choose the target files and click 'Recover' to save them to a secure location on your PC or other external storage devices.

To retrieve data from USB devices, we suggest you save retrieved files to another secure location in case of further problems.

Format USB to NTFS/FAT32 and recreate partition on USB

Some people encountered more serious issues than once. They said the same USB device starts malfunctioning again after a short period of time after the repair. If this is the case, formatting and recreating a new partition can help.

• Connect the USB to the PC, right-click on This PC/My Computer and select Manage.
• Enter Device Manager, select Disk Management, locate and right-click on your malfunctioned USB, and select Format volume..
• Complete the Format process and set the file system to NTFS or FAT32.

Now you can check if the USB shows up in your computer or not, if not, continue with the steps below:

• Open Disk Management, right-click on USB and select Delete Volume, complete the process.
• When USB shows as unallocated, right-click on it and select New Simple Volume, set the drive letter and file system (NTFS/FAT32) for it, and complete the process.

After this, you should access the USB drive on your PC and save data on it again.

Software Updates

For Latest Support information and Downloads, please visit http://www3.jvckenwood.com/english/download/

For updates to professional models, please visit our PRO support page at http://pro.jvc.com/firmware

End-User License Agreement

Before you download any software or firmware you must agree to our End-User License Agreement.
Installing or using the firmware indicates your acceptance of these terms and conditions.
View the End-User License Agreement

GPL/LGPL Source code is available to you, please visit http://www3.jvckenwood.com/english/download/gpl/

Projectors

DLA-RS4500

Calibration software.

DLA-X570, DLA-X770, DLA-X970

Calibration software.

DLA-X570, DLA-X770, DLA-X970 firmware update

Firmware upgrade (v30.1) for DLA-X570, DLA-X770, DLA-X970

DLA-X550, DLA-X750, DLA-X950

Upgraded firmware and recommended settings for HDR content.

DLA-X500, DLA-X700, DLA-X900 firmware update

This update improves reliability of both RS232C and LAN communication, especially when a test pattern is displayed.
View the DLA-X500 & DLA-X700 & DLA-X900 update procedure
Download the DLA-X500 & DLA-X700 & DLA-X900 update file (zip format)

DLA-X70R, DLA-X90R firmware update

This update addresses Incorrect color may appear in certain modes.
View the DLA-X70R & DLA-X90R update procedure
Download the DLA-X70R & DLA-X90R update file (zip format)

DLA-X90R firmware update

This update addresses Projector inoperative under certain conditions, Lens Aperture inoperative under certain conditions, limited the input level of HDMI signal in THX mode, reverse acting of Pixel Shift partially with upside-down installation, calibration inoperative in certain operations, message for fine adjustment when calling Lens memory.
View the DLA-X90R update procedure
Download the DLA-X90R update file (zip format)

DLA-X70R firmware update

This update addresses Projector inoperative under certain conditions, Lens Aperture inoperative under certain conditions, limited the input level of HDMI signal in THX mode, reverse acting of Pixel Shift partially with upside-down installation, calibration inoperative in certain operations, message for fine adjustment when calling Lens memory.
View the DLA-X70R update procedure
Download the DLA-X70R update file (zip format)

DLA-X30 firmware update

This update addresses remaining picture mode display on screen when pushing the picture mode button of the remote controller, Projector inoperative under certain conditions, message for fine adjustment when calling Lens memory.
View the DLA-X30 update procedure
Download the DLA-X30 update file (zip format)

DLA-X3 firmware update

This update contains HDMI 1.4 improvements.
View the DLA-X3 update procedure
Download the DLA-X3 update file (zip format)

DLA-X7, DLA-X9 firmware update

This update addresses CEC Operation, HDMI 1.4 improvements, a Lens-shift direction of the ceiling mode, smoothness of the Color management adjustment, and improve the 2D to 3D (and 3D to 2D) mode switching
View the DLA-X7 & DLA-X9 update procedure
Download the DLA-X7 & DLA-X9 update file (zip format)

DLA-HD350BU firmware update

This update improves IR sensor detection
View the DLA-HD350BU update procedure
Download the DLA-HD350BU update file (zip format)

DLA-HD750BU firmware update

This update improves IR sensor detection and expands Color Management System adjustment range
View the DLA-HD750BU update procedure
Download the DLA-HD750BU update file (zip format)

Everio and Camcorder

GC-XA2 update

This update improves the reliability of the social website connection.
View details

GC-PX100 update

This update improves the reliability of the record operation.
View details

GZ-E300, GZ-E306, GZ-EX310, GZ-EX355, GZ-HM65, and GZ-VX815 update

This update improves the reliability of the record operation.
View details

GC-XA1 update

Update for use with iOS6 devices. Improvement of WiFi function and other stability improvements.
Caution: Please also update the WiVideo iOS App.
View details

GZ-E10 and GZ-HM40 update

This update addresses picture shaking during recording.
View details
Get the GZ-E10 and GZ-HM40 update

Everio MediaBrowser update

This update corrects connection issues.
View details

GC-FM2 and GC-WP10 update

This update improves stability.
View details

GC-FM1 (Picsio) firmware update

This update improves the camera speaker sound and improves the camera's Auto White Balance.
View the GC-FM1 update procedure
Download the GC-FM1 update file (exe format)

GZ-HD3 firmware update

This update address issue when camera doesn’t memorize the date/time settings.
View the GZ-HD3 update procedure
Download the GZ-HD3 update file (zip format)

Car A/V and Navigation

For Latest Support information and Downloads, please visit http://www.jvc.net/cs/car/

Video, DVD & Blu-ray

XV-BP1 firmware update

This update addresses playback issues with some movies: playability and stability.
View the XV-BP1 update and procedure.

XV-BP10 / XV-BP11 firmware update

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This update addresses playback issues with some movies: playability and stability.
View the XV-BP10 / XV-BP11 update and procedure.

DR-MV79 firmware update

This update address issue when recording is interrupted due to copy protection as well as digital audio output improvement when HDMI is used.
View the DR-MV79 update procedure
Download the DR-MV79 update file (zip format)

DR-MV100 firmware update

This update address issue when recording is interrupted due to copy protection as well as digital audio output improvement when HDMI is used.
View the DR-MV100 update procedure
Download the DR-MV100 update file (zip format)

Television

LT-42B300 firmware update

For latest Blu-ray disc compatibility
View the LT-42B300 update procedure
Download the LT-42B300 update file (zip format)

Audio and Home Theater

RD-N1 firmware update:

This update addresses:
Corrects other brand LCD remotes from affecting operation of this model
View the update procedure
Download the update file (zip format)

RV-NB50 and RV-NB52 firmware update:

This update addresses:
Improvemed iPod Touch Connection
Improvemed sound quality
Improvemed timer set method
View the update procedure
Download the update file (zip format)

TH-D5 and TH-D50 firmware update:

This software update address issue when a thin blue line along left edge of High Definition TV screen is visible when connected thru HDMI to TH-D5/D50.
View the THD5 and THD50 update procedure
Download the THD5 and THD50 update file (zip format)

TH-D60 firmware update:

This software update address issue when a thin blue line along left edge of High Definition TV screen is visible when connected thru HDMI to TH-D60.

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View the THD60 the update procedure
Download the THD60 update file (zip format)

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CyberLink Media Server

Update version 1.1

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for DD-3 Network Media System
After installing CyberLink Media Server from the supplied CD-ROM, it is recommended that you upgrade CyberLink Media Server to enable you to utilize the latest functions. Refer to the web-site http://www3.jvckenwood.com/english/download/index.html for upgrading CyberLink Media Server.

XA-HD500 Firmware Upgrade Version 1.00.1071:

This firmware version address the issue when a high speed USB 2.0 HUB is connected to your PC and a mixture of slower FULL or LOW SPEED USB devices are connected to the HUB, then the PC may not recognize XA-HD500 properly.
Please read the instructions, before attempting to upgrade the firmware.