Booting MS-DOS with QEMM DOSDATA.SYS Starts Windows 95

Last reviewed: January 16, 1998
Article ID: Q119067
The information in this article applies to:
  • Microsoft Windows 95

SYMPTOMS

When you press the F4 key when the "Starting Windows 95" message appears, your computer may not start with your previous version of MS-DOS. You may see the "Starting MS-DOS" message, but shortly after this message appears, your computer restarts and the "Starting Windows 95" message is displayed again.

CAUSE

QEMM versions 7.03 and later install a utility called DOSDATA.SYS in the CONFIG.SYS file. When this file is read, it forces the computer to reboot so that it can optimize memory allocations made from the first boot cycle. Windows 95 does not support the DOSDATA.SYS utility included with QEMM versions 7.03 and later.

RESOLUTION

To boot MS-DOS, follow these steps:

  1. Press F4 when you see the "Starting Windows 95" message.

  2. The computer reboots after DOSDATA.SYS is read and displays "Starting Windows 95" again.

  3. Press F4 when you see "Starting Windows 95" the second time. This allows the computer to continue booting MS-DOS.

-or-

  1. Remark out any statements for QEMM in the CONFIG.SYS file by placing a semicolon before those statements and then reboot your computer.

    NOTE: If you are running Windows 95 (not your previous version of MS-DOS), modify the CONFIG.DOS file, not the CONFIG.SYS file. If you booted MS-DOS, modify the CONFIG.SYS file.

  2. Press F4 when you see the "Starting Windows 95" message.

NOTE: You may have to edit your MSDOS.SYS file to boot your previous version of MS-DOS. For additional information, please see the following articles in the Microsoft Knowledge Base:

   ARTICLE-ID: Q118579
   TITLE:      Contents of the Windows Msdos.sys File

   ARTICLE-ID: Q121963
   TITLE:      Requirements to Boot Previous Operating System

MORE INFORMATION

QEMM is manufactured by Quarterdeck Office Systems, a vendor independent of Microsoft; we make no warranty, implied or otherwise, regarding this product's performance or reliability.

Additional querey words: 95 qemm386 3rdparty

Keywords          : appscomp diskmem win95 wpp95 kb3rdparty kbsetup kbtool
Version           : 95
Platform          : WINDOWS


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Last reviewed: January 16, 1998
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