If you're prompted for an administrator password or confirmation, type the password or provide confirmation. Open Computer Management by clicking the Start button, clicking Control Panel, and click System and Security viewed by Category View.Ĭlick Administrative Tools, and then double-clicking Computer Management. If your hard drive, thumbnail drive, memory stick, or flash memory is recognized in Disk Management but not displayed in Windows Explorer, the drive may not have been assigned a drive letter by Windows. Method 1: Run the automated troubleshooter for your version of Windows: To resolve the issue follow the steps in the methods listed below starting with method 1, if the steps in that method do not resolve the issue, continue to the next method: Method 6: Corrupted registry keys may be causing issues with connecting to your CD or DVD drive Method 5: Your USB drive may be corrupted Method 4: Make sure that the drive is Online Method 3: Make sure that the disk drive is Enabled Method 2: Make sure that the drive has a drive letter assigned in Disk Management Method 1: Run the automated troubleshooter for your version of Windows Your drive does not have a drive letter assigned to it in Disk ManagementĬorrupted registry keys may be causing issues with connecting toyour CD or DVD drive

This can be caused by any of the following:

When looking for attached hard drives, USB flash drives or CD and DVD drives using Windows Explorer, you may notice that some drives are not seen in Windows Explorer or the drive may disappear after a short time or when Windows resumes from Sleep or Hibernation. Microsoft Windows XP Professional Microsoft Windows XP Home Edition Windows Vista Business Windows Vista Enterprise Windows Vista Home Basic Windows Vista Home Premium Windows Vista Starter Windows Vista Ultimate Windows 7 Enterprise Windows 7 Home Basic Windows 7 Home Premium Windows 7 Professional Windows 7 Starter Windows 7 Ultimate More.

Pen drive detected but not opening