A "clean boot" (starting your computer after all unnecessary commands have been removed from your CONFIG.SYS and AUTOEXEC.BAT files) is used as a basic troubleshooting step to test possible conflicts between Windows for Workgroups and various terminate-and-stay-resident (TSR) programs and device drivers. There are different types of clean boots; the correct one to use depends on whether or not Windows for Workgroups has been installed.

For more information on clean booting, see Chapter 6 of the "Getting Started with Microsoft Windows for Workgroups" version 3.1 manual and Chapter 11 of the version 3.1 "Microsoft Windows for Workgroups Users Guide."

NOTE: This article explains how to clean boot your system up to the point when you start Windows. To start Windows without loading any third-party programs, you must clear the StartUp group, clear the LOAD= and RUN= entries in the WIN.INI file, and ensure the SHELL= entry in the SYSTEM.INI file is loading PROGMAN.EXE. Also, make sure the SYSTEM.INI file does not include third-party virtual device drivers (VxDs) or other third-party Windows components.

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Before Clean Booting

Create a bootable floppy disk that contains the MS-DOS system files and any other files that are required to make the system operational, such as disk- compression utilities (for example, Stacker), disk partitioning drivers (for example, Disk Manager), and other third-party device drivers.

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To Clean Boot Before Running Windows Setup

If there is no disk compression software, disk partitioning software, or other third-party drivers necessary to start the computer, the machine can be started from a floppy disk that contains only the MS-DOS system files, without a CONFIG.SYS or AUTOEXEC.BAT file.

If there is disk partitioning, disk compression, or other third-party software required to boot the computer, the startup files on the disk created above should appear as follows:

   CONFIG.SYS                              AUTOEXEC.BAT
   ----------                              ------------

   FILES=45                                PROMPT $P$G
   BUFFERS=20
   <Third-party disk partitioner>
   <Third-party disk compression driver>
   <Other required third-party driver>

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Windows for Workgroups 3.1 Clean Boot

AFTER Windows for Workgroups version 3.1 is installed, a clean boot should appear as follows:

   CONFIG.SYS                                AUTOEXEC.BAT
   ----------                                 ------------

   FILES=45                                  <WFWG 3.1 dir>NET START
   BUFFERS=20                                PROMPT $P$G
   DEVICE=C:\<WFWG 3.1 dir>\HIMEM.SYS        PATH C:\Windows;C:\DOS;C:\ 
   <Third-party disk partitioner>            SET TEMP=C:\<valid path>
   <Third-party disk compression driver>
   <Other required third-party drivers>
   DEVICE=<valid path>\PROTMAN.DOS /I:<valid PATH to PROTOCOL.INI>
   DEVICE=<MAC DRIVER>.DOS
   DEVICE=<valid path>WORKGRP.SYS
   SHELL=C:\<valid path>\COMMAND.COM  /E:1024 /P
   STACKS=9,256
				

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Windows for Workgroups 3.11 Clean Boot

AFTER Windows for Workgroups version 3.11 is installed, a clean boot should appear as follows:

   CONFIG.SYS                                AUTOEXEC.BAT
   ----------                                ------------

   FILES=45                                  <WFWG 3.11 dir>NET START
   BUFFERS=20                                PROMPT $P$G
   DEVICE=C:\<WFWG 3.11 dir>\HIMEM.SYS       PATH=C:\Windows;C:\DOS;C:\ 
   <Third-party disk partitioner>            SET TEMP=C:\<valid path>
   <Third-party disk compression driver>
   <Other required third-party drivers>
   DEVICE=<WFW 3.11 dir>IFSHLP.SYS
   SHELL=C:\<valid path>\COMMAND.COM  /E:1024 /P
   STACKS=9,256
				

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Exceptions

The following are examples of drivers that SHOULD NOT be removed; they are used when the computer is turned on to make the hard drive accessible. This is not a complete list, but it does include most of the commonly used drivers:

Hard Disk Drivers:      SQY55.SYS, SSTBIO.SYS, SSTDRIVE.SYS,
                        AH1544.SYS, ILIM386.SYS, ASPI4DOS.SYS,
                        SCSIHA.SYS, SCSIDSK.EXE, SKYDRVI.SYS,
                        ATDOSXL.SYS, NONSTD.SYS.

Disk Partitioners:      DMDRVR.BIN, SSTOR.SYS, HARDRIVE.SYS,
                        EDVR.SYS, FIXT_DRV.SYS, LDRIVE.SYS,
                        ENHDISK.SYS.

Disk Compression Utilities: STACKER.COM, SSWAP.COM, SSTOR.EXE,
DEVSWAP.COM
				

If the purpose of a device driver or program is unknown, DO NOT remove it. Most device drivers and programs will display a message describing their purpose when they are initialized.

A clean boot DOES NOT include:

•	DOS=HIGH,UMB
•	EMM386.EXE
•	INSTALL=SHARE.EXE
•	INSTALL=FASTOPEN.EXE
•	Third-party memory managers
•	RAM disk devices
•	JOIN, GRAPHICS, PRINT, SUBST, APPEND
•	MODE for printer redirection
•	Multiple path statements
•	MS-DOS-level mouse drivers
•	Third-party disk caches
•	Various third-party TSRs
•	LOGIMENU, CLICK
•	Virus checkers
•	Drivers for scanners/fax
•	Drivers for CD ROM/network
•	Tape backup spoolers/redirectors/buffers
•	Data acquisition units
•	Keyboard accelerators/buffers

For information on clean booting Windows 3.0, query on the following words in the Microsoft Knowledge Base:

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