The information in this article applies to:
SYMPTOMSWhen running on Windows 95 OSR 2.1 or OSR 2.5, a blue screen appears when manually or programmatically disabling a USB host controller. CAUSEThis problem occurs because of a fault in the USB host controller driver. RESOLUTIONThere is no workaround for Windows 95 OSR 2.1 or 2.5. The problem does not occur under Windows 98. A USB controller can be successfully disabled using Device Manager, or programmatically via DiChangeState. STATUSMicrosoft has confirmed this to be a bug in the Microsoft products listed at the beginning of this article. MORE INFORMATIONIf a user tries to disable a USB host controller via Device Manager or via a DiChangeState call, a blue screen occurs because of a fault in the USB host controller driver (Uhcd.sys or Openhci.sys). Additional query words:
Keywords : kbDDK kbKMode kbOSR210 kbOSR250 kbVideo kbWinOS95 |
Last Reviewed: May 20, 1999 © 2000 Microsoft Corporation. All rights reserved. Terms of Use. |