This article was previously published under Q158155
When you start Windows NT and you log on, the following error message mayappear:
Error: SAS Window: Winlogon.exe There is no disk in the drive. Please insert a disk into drive A:
Systems that have bootable CD-ROMs and Award BIOS with a date code prior toSeptember 25, 1996 may experience this problem. The Award BIOSes withrelease dates prior to September 25, 1996 enable bootable CD-ROM support byusing floppy and hard disk emulation. Windows NT 4.0 does not supportemulation mode CD-ROM booting.
Disable the bootable CD-ROM functionality of the system BIOS or of the SCSIcontroller BIOS.
To disable the bootable CD-ROM support of the Award BIOS:
Restart the system.
Press the DEL key to enter the BIOS Setup menu.
Move the cursor to BIOS Feature Setup and press the Enter key.
Click BOOT Sequence.
Change the boot sequence so that the CD-ROM appears after the hard disk drive.
Microsoft has confirmed this to be a problem in Windows NT version 4.0. Weare researching this problem and will post new information here in theMicrosoft Knowledge Base as it becomes available.
The third-party products discussed here are manufactured by vendorsindependent of Microsoft; we make no warranty, implied or otherwise,regarding these products' performance or reliability.