How to solve USB device not recognized or USB not mounted problem. – wintips.org

Several times I have had problems with USB devices in all versions of Windows. For example, a USB device (such as a printer, scanner, or webcam) is not working, or a USB storage device (such as a USB flash drive) is not detected at all. Problems with USB devices can occur for various reasons.

For example, a USB storage device with “Remove the equipment safely” option or program or after Windows Update or virus attack. If you are having problems with USB devices, you can use this troubleshooting guide to solve your USB problems.

USB device not recognized

USB errors – symptoms that can be fixed using this guide:
– USB device not recognized
– The USB printer was not recognized or did not print
– The USB storage device cannot be recognized or ejected using the Safely Remove option.
– The USB device driver was not successfully installed or Windows could not mount the USB device.
– Unknown USB device in Device Manager (error code 43)

How to solve USB device detection problems.

Before proceeding with the solutions given below, do the following:

1. Full to close go to your computer and unplug the power cord. (If you have a laptop, remove the battery as well). Leave it unplugged for about 5-10 minutes and then reconnect the power cord (and battery). Turn on your computer and check if your USB devices are working.

2. If you have a laptop:

  • Turn off the laptop.
  • Disconnect the AC power adapter and battery.
  • Leave your computer unplugged for about 15 minutes.
  • Reinsert the battery
  • Turn on your laptop.
  • Connect all USB devices one by one.
  • Check if USB not recognized issue is resolved and USB devices are working.
  • Connect the AC power adapter.

3. Change the USB cable that connects your computer to the USB device.

4. Download Hirens BootCd and start your computer MiniXP environment. Plug the USB flash drive into an empty port. Open Windows Explorer and check if you can access the contents of the USB flash drive. (Instructions for downloading and running your PC from HirensCD MiniXP You can find it in steps 1, 2 and 3 of this guide). If you cannot access the contents of the USB flash drive, it is possible that the USB ports on your motherboard are damaged.

5. Scan your computer for malware using the instructions in this guide: Quick Malware Scan and Removal Guide.

Solution 1: Diagnose and fix USB problems with Microsoft USB Fix It utility

Solution 2: Use the Windows troubleshooter to diagnose and fix USB errors

Solution 3: Change USB suspend settings

Solution 4: Change USB power management settings

Solution 5. Install the latest Intel drivers using the Intel® Driver Update Utility.

Solution 6: Completely remove and reinstall all universal serial bus controllers and USB devices

Solution 1: Fix USB problems with Microsoft USB Fix It utility.

1. First, download the Microsoft Fix It utility to your computer.*

*Notes:
– Windows 8 and 8.1 users should download Windows 8 USB Debugging software.
– Windows 7 USB Fix it Utility can also work for Windows Vista and Windows XP.
– Windows Vista users can also try the USB Devices Fix It utility for Windows Vista.
– Windows XP users can also try USB Fix for Windows XP.

2. Running Microsoft fix tool and “Accept it“.

usb-fix-it-utility

3. selectIdentify issues and apply fixes for me (Recommended)” option.

windows-7-repair-usb

4. Let the troubleshooter fix the USB problems and “The next one“.

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If your problem is solved, close the troubleshooter and check the operation of your USB devices.

Solution 2: Diagnose and resolve USB issues using the Windows troubleshooter

1. open”Troubleshooting; DEFECTS” from Control Panel. For this:

  1. Click on “WindowsPicture-201_thumb8[1] + “RClick the ” button to download Running dialog box.
  2. write “control Panel” and press Enter.

control Panel

2. “ChangeView” from option “Small iconClick ” and “Troubleshooting; DEFECTS“.

troubleshooting;  DEFECTS

3. In the “Hardware and Sound” section, click the “Device Settings” button.

configuration-device

4. When Troubleshooting equipment and devices appears on the screen, press “The next one“.

hardware-devices-troubleshooting

5. After the troubleshooter completes diagnostics, apply all requested fixes and check USB functionality.

Solution 3: Change USB suspend settings.

1. It’s open Power options from Control Panel. For this:

  1. Click on “WindowsImage-201_thumb8_thumb + “RClick the ” button to download Running dialog box.
  2. write “control Panel” and press Enter.

control Panel

2. Double click open “Power options“.*

* Note: If you don’t see “Power optionsChange the “”.View“: “Small icon“.

power capabilities

3. click onChange plan settings“.

change-plan-settings

4. Click on “Change advanced power settings“.

advanced power settings

5. In advanced power settings, expand “USB settings” and “ installUSB Selective Suspend Settings” to “Off“.*

* Note: For laptop computers, you need to change this setting in both fields: On the battery & Networked.

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6. Click on “OK” and restart your computer.

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Solution 4: Change USB power management settings.

1. Unplug all USB devices and open Device Manager. For this:

  1. Click on “WindowsPicture-201_thumb8 + “RClick the ” button to download Running dialog box.
  2. write “devmgmt.msc” and click Enter.

image

2. In Device Manager, double click expand”Universal serial bus controllers“.

universal-serial-bus-controller

3. Double click on “USB root slot” to open its features.

usb-root-hub

4. click onPower management“.

power management

5. Remove the mark (uncheck)”Allow the computer to turn off this device to save power” option and press “OK“.

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6. You need to follow the same process for all USB Root Hub devices (Steps 3, 4 and 5).

7. close”Device Manager” button and reconnect all your USB devices.

Solution 5: Install the latest Intel drivers using the Intel® Driver Update Utility.

1. Install the Intel® Driver Update Utility.

2. When the installation is complete, press the button Start scanning button and let the program detect and find the latest drivers for your Intel devices.

Intel® Driver Update Utility

3. After scanning, Download drivers found.

Download Intel® Driver Update Utility

4. Finally click Installation Follow all instructions to install the latest Intel drivers found and restart your computer.

Install Intel® Driver Update Utility

Solution 6: Completely remove and reinstall Universal Serial Bus Controllers and USB devices.

1. Unplug all USB devices and open Device Manager. For this:

  1. Click on “WindowsPicture-201_thumb8 + “RClick the ” button to download Running dialog box.
  2. write “devmgmt.msc” and click Enter.

image

2. In Device Manager, double click expand”Universal serial bus controllers“.

usb-root-hub

3. Right click on each USB device found there and select “Delete“.

*Note: If you lose connection with a USB keyboard or USB mouse during shutdown, disconnect them from the network and reconnect them to the computer.

remove the usb

4. Restart your computer.

5. After restarting, wait until Windows automatically reinstalls all USB serial bus controllers.

6. Now connect your USB devices (one by one) and check if your computer can recognize them correctly and without errors.

Attention: At this point, if the USB device is still not recognized by Windows, you should remove the specific USB device using Device Manager and reinstall it.

7. Remove unknown USB devices.

Example 1: If you have connected a USB flash drive (USB storage device) and it is not visible in Windows Explorer, find this storage device in Device Manager and delete it. After uninstalling, disconnect the storage device from your computer and reconnect it.

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Example 2: If you connect your mobile phone (using a USB cable) and it is not recognized by Windows, find your mobile phone in the Device Manager (usually it is located in the “Portable devices” section) and delete it. After the shutdown, disconnect the USB cable of the Mobile device from your computer and reconnect it.

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Good luck!

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