Not every time our USB Hard Disk Drives work flawlessly. Sometimes Windows gives us some strange errors while plugging in the USB hard drive. The most common error is “USB Device not recognized: One of the devices attached to this computer has malfunctioned and windows do not recognize it.” Don’t panic, most of the time it can be easily solved.
The main cause of such error is corrupt USB driver or unstable USB controllers.
Here are easy steps to overcome the issue for computers running Windows 7
Step 1: Click Start, and search for Device Manager in the search box
Step 2: Click the Disk Drives from the list of Hardware
Step 3: Right-Click the USB Hard Disk Drive which is not getting recognized, and click Uninstall
Step 4: The External Hard Drive should get uninstalled now. Disconnect the USB cable and reconnect after a minute.
Step 5: The driver for the USB Hard Disk Drive should load automatically, and your External HDD should get listed in Windows Explorer.
If the above steps fail to solve your problem, visit Microsoft’s support website for detailed instruction. They even have alternate solutions to the above issue. Also make sure that you are have all the latest updates for your windows operating system together with good anti-virus application.