Sometimes, when you plug a USB device to your Windows 10, Windows 8 or Windows 7 computer, you may receive a USB Device Not Recognized pop up message. If your USB device is not detected, then this post will show you how you can troubleshoot the issue. You may follow these suggested solutions in any order you think is bets suited for your version of Windows OS.
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On a Windows 10 computer you may see the following message:
The last USB device you connected to this computer malfunctioned and Windows does not recognize it. Try reconnection the device. If Windows still does not recognize it, your device may not be working properly.
1] A simple restart of the Windows computer can sometimes solve this problem. Unplug your USB, restart you computer and plug in and see if it works now. If it does not, shut down your computer, wait for a few minutes and then start your computer again.
2] To avoid a possible conflict between two connected USB Devices, disconnect your other USB’s, connect this one and see if it helps.
3] Run devmgmt.msc to open Device Manager. Under Action tab, select Scan for hardware changes and see if it helps.
3] Check if you need to update your drivers. Open Control Panel > Printers and devices. Check if you can see any entry for Unidentified USB device or Unknown Device. Open its Properties and update its driver, if an update is found to be available.
4] From the Device Manager, under USB Root Hub Properties, uncheck Allow the computer to turn off this device to save power. See if this helps. If not check it back again.
5] Run the Hardware and Device Troubleshooter or the Windows USB Troubleshooter and check if it helps. The automated tools check the hardware or USB connected to the computer for any known issues and fix them automatically.
6] If you are using Windows 8, Windows 8.1, Windows Server 2012 R2 or Windows Server 2012, there is a specific issue that affected this version of Windows. This could happen, if your USB port gets disabled after you safely remove the device from the port. Download and request a hotfix from KB2830154 if you face this issue.
7] If its your USB 3.0 device that are not being recognized, see this post on USB 3.0 External Hard Drive not recognized in Windows. Also see this post USB Devices not working in Windows.
8] This post will help you if your External Hard Drive is not detected.
Hope something helps.
Have more tips on this? Let us know them via comments section below.
Related read: Fix Unknown USB Device error message on Windows 10.
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When it comes to computer problems in the office, Murphy's Law often applies – PCs fail when you need them most. If you attempt to install an application from a CD, and the computer does not recognize the disc, the media could just be defective. If you're sure the disc is okay, replacing the optical drive in a desktop PC is not too difficult. However, if you don’t have time to replace a faulty CD/DVD drive, you can use network sharing or a portable storage device to install the program from the disc.
Go to another computer connected to the same network router as the PC with the defective CD/DVD drive. Insert the installation disc with the data you need into the optical drive of the second computer. If the AutoPlay window opens, close it.
Press 'Windows-E' to open a new File Explorer window. Click 'Computer' in the navigation pane.
3.Right-click the drive letter of the CD/DVD drive, and then click 'Properties.' Click the 'Sharing' tab.
4.Click the 'Advanced Sharing' button. Enable the 'Share this Folder' option in the Advanced Sharing window, and then click 'Permissions.'
5.Select the 'Everyone' option in the Groups or User Names list, and then enable the 'Full Control,' 'Change' and 'Read' options under the Allow header. Click the 'OK' button to close the Permissions window.
Click 'Apply,' then 'OK' in the Advanced Sharing window. Click 'Apply,' then 'Close' in the Properties window for the CD/DVD drive.
7.Go to the computer with the defective optical drive. Press 'Windows+E' to open File Explorer, and then click 'Network' in the navigation pane. Wait a few seconds for computers on the local network to appear in the Network folder.
8.Double-click the network name of the computer in which you inserted the optical disc. After you double-click the name of the computer, File Explorer displays the shared drives, folders and devices on the computer. Double-click the drive letter of the optical drive on the remote computer.
9.Double-click the 'Setup.exe' or 'Install.exe' file on the remote optical disc, and then follow the prompts to install the program normally. Alternatively, copy files from the disc in File Explorer just as you would from a local drive or disc.
Go to a computer with a working CD/DVD drive. Insert the disc into the optical drive and close the AutoPlay window if it appears.
2.Plug the USB flash drive into an empty USB port on the computer. Wait a few seconds for Windows to detect the flash drive and initialize it.
3.Press 'Windows+E' to open File Explorer. Click 'Computer' in the navigation pane, and then select the drive letter of the CD/DVD drive. Right-click the drive CD/DVD drive letter, and then click 'Open.'
4.Press 'Ctrl+A' to select all of the files and folders on the disc. Press 'Ctrl+C' to copy all of the files and folders to the Windows Clipboard.
5.Click 'Computer' in the navigation pane again. Double-click the drive letter of the USB flash drive in the File Explorer window. Press 'Ctrl+V' to copy all of the files and folder from the optical disc to the flash drive.
6.Remove the USB flash drive and connect it to the computer with the defective optical drive. Open File Explorer run the 'Setup.exe' or 'Install.exe' file from the flash drive just as you would from an optical disc. Alternatively, copy needed data from the USB flash drive to a folder on the PC.
Jeff Grundy has been writing computer-related articles and tutorials since 1995. Since that time, Grundy has written many guides to using various applications that are published on numerous how-to and tutorial sites. Born and raised in South Georgia, Grundy holds a Master of Science degree in mathematics from the Georgia Institute of Technology.
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