How to Split a USB Partition. Resize a Partition on Windows 7 For Free. How to Format a 2TB My Passport External Hard Drive on a PC.

Hello Don, Welcome to Microsoft Community. I understand that your USB device is not recognized by the laptop.

This issue might occur due to various reasons like corrupt drivers, security software etc. A question, what is the make and model of your computer? Firstly, let's identify if the USB drive is listed in Disk Management.

Right-click on Windows icon and select Disk management and find if the USB drive shows up there and post back your findings. Let's check the status of the USB device in Device Manager. Go to Device Manger and expand USB controllers and right-click to check the properties and device status. Method 1: Run the Troubleshoot Hardware and Devices. Hardware troubleshooter reviews, diagnose and identifies operational or technical problems within a hardware device.

Press Windows Key +R, type Control Panel. Type troubleshooting in the search bar, click on troubleshooting. Click on Hardware and Devices. Follow the steps from the wizard to run the troubleshooter. Method 2: Uninstall and re-install USB drivers: a.

Press Windows Key +R and type devmgmt.msc to open Device manager. Expand Universal Serial Bus controllers at the left bottom. Right-click the first USB controller under Universal Serial Bus controllers, and then click on Uninstall to remove it.

Repeat these steps for the entire USB controller under Universal Serial Bus controllers. Restart the computer. After the computer starts, Windows will automatically scan for hardware changes and reinstall all the USB controllers that you uninstalled. Refer the article for more information: Hope this helps. If you have any queries, feel free to contact us again.