What do I do with "unknown" devices in Device Manager? Intended For Windows Vista Windows XP Windows 2003 Windows 2000 Windows Me Windows 98 Windows 95 This means that Windows has detected a device for which it has no driver. Go over the other devices in your system, see if you have any hardware that isn't listed, and then contact the manufacturer of the missing devices for the appropriate drivers. Note that sometimes the Device Manager lists devices that either don't exist or exist but don't need drivers. Written by: Annoyances.org Last updated: Wednesday, February 7, 2007 Care to discuss this article with other Windows users? Select your operating system here, and click Continue to post your question. - Choose your OS -Windows 7Windows VistaWindows Server 2003Windows XPWindows 2000Windows MeWindows 98Windows 95 Previous discussions about this article: (open a message to see applicable responses, if any) [Windows 98] sound drive (Samer Ghandour: Wednesday, September 5, 2001) [Windows 98] How do I get rid of default monitor in device manager (George Snow: Thursday, November 1, 2001) [Windows 2000] Question about 'What do I do with (mark harley: Saturday, November 24, 2001) [Windows XP] Question about 'What do I do with (clyde sauls: Thursday, December 27, 2001) [Windows 98] Question about 'What do I do with (Jeff: Thursday, January 3, 2002) [Windows 98] Solution to 'What do I do with ''unknown'' devices in Device Manager?' (Steve: Wednesday, February 13, 2002) [Windows 98] Question about 'What do I do with ''unknown'' devices in Device Manager?' (Sita: Monday, April 22, 2002) [Windows 98] Question about 'What do I do with ''unknown'' devices in Device Manager?' (Juergen: Saturday, June 15, 2002) [Windows 98] Question about 'What do I do with ''unknown'' devices in Device Manager?' (mahesh bhat: Saturday, July 6, 2002) [Windows 98] Question about 'What do I do with ''unknown'' devices in Device Manager?' (rogen: Saturday, August 17, 2002) [Windows XP] Empty Device Manager (Tye: Wednesday, April 30, 2003) [Windows XP] Question about 'What do I do with ''unknown'' devices in Device Manager?' (Duc: Sunday, September 21, 2003) [Windows XP] No Driver for Nvidia PCI System Management (N. blake: Thursday, October 23, 2003) [Windows XP] Question about 'What do I do with ''unknown'' devices in Device Manager?' (Sherri: Thursday, November 27, 2003) [Windows XP] Question about 'What do I do with ''unknown'' devices in Device Manager?' (Dave: Tuesday, December 23, 2003) [Windows XP] Question about 'What do I do with "unknown" devices in Device Manager?' (Will Gunther: Thursday, May 20, 2004) [Windows XP] Question about 'Volume Control:There are no active mixer devices available (Mycall: Sunday, August 7, 2005) [Windows XP] Question about 'What do I do with "unknown" devices in Device Manager?' (Wade McClain: Thursday, November 24, 2005) [Windows 2000] Question about 'What do I do with "unknown" devices in Device Manager?' (Slugo: Sunday, April 9, 2006) [Windows XP] ncscv32.exe (Bildad Koske: Friday, July 20, 2007) [Windows 95] Question about 'What do I do with "unknown" devices in Device Manager?' (Jeff Deane: Sunday, September 9, 2007) [Windows XP] Question about 'What do I do with "unknown" devices in Device Manager?' (Jenny Pollard: Saturday, January 19, 2008) [Windows XP] Question about 'What do I do with "unknown" devices in Device Manager?' (ed gennrich: Wednesday, March 5, 2008) Return to "Troubleshooting"