Manually Updating the Startup Disk After Installing MS Plus!

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Article ID: 136900 - View products that this article applies to.
This article was previously published under Q136900
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SYMPTOMS

If you do not update your Windows 95 Startup disk (also known as the Emergency Boot Disk) either when you install Microsoft Plus! for Windows 95, or when you run DriveSpace 3, you may not be able to start your computer with the Startup disk.

CAUSE

The Startup disk has not been updated for DriveSpace 3. Therefore, DriveSpace 3 compressed volume files (CVFs) cannot be mounted or repaired.

RESOLUTION

If Windows 95 starts normally, you can create a new Startup disk with updated files by following these steps:
  1. In Control Panel, double-click the Add/Remove Programs icon.
  2. On the Startup Disk tab, click the Create Disk button.
If you cannot start Windows 95 normally, you must replace the Scandisk.exe and Drvspace.bin files on the Startup disk with updated versions compatible with DriveSpace 3. To do so, follow the steps in the appropriate section below.

Using the Microsoft Plus! CD-ROM

NOTE: If you cannot access the CD-ROM drive, the real-mode drivers for the CD-ROM drive are probably not being loaded in the Config.sys and Autoexec.bat files. You must load the appropriate drivers for the CD-ROM drive to function.

For additional information, please see the following article in the Microsoft Knowledge Base:
135174 Cannot Access CD-ROM Drive in MS-DOS Mode
Or, if you have not started Windows 95, view the Config.dos and Autoexec.dos files with a text editor. If they exist, copy the lines for the CD-ROM driver and Mscdex.exe to the equivalent Config.sys and Autoexec.bat files.

When you have finished updating the Startup disk, remove these lines from the Config.sys and Autoexec.bat files.

To update the Startup disk, follow these steps:
  1. Boot your computer to a command prompt, and then insert the Startup disk in drive A.

    NOTE: The instructions in this section assume that you are using floppy disk drive A for the Startup disk. If you are using a different drive, modify the instructions in this section accordingly.
  2. Insert the Microsoft Plus! CD-ROM in the CD-ROM drive.
  3. Type the following command, and then press ENTER
    copy <cdrom drive>:\win95\*.* a:
    where <cdrom drive> is the drive letter for the CD-ROM drive.
  4. Type a:, and then press ENTER.
  5. Type the following commands. Press ENTER after each command:
    ren scandisk.exe scandisk.w95
    ren drvspace.bin drvspace.w95
    ren scanplus.exe scandisk.exe
    ren drvplus.bin drvspace.bin
  6. Restart your computer with the Startup disk in the drive.

Using Microsoft Plus! Disks

NOTE: The instructions in this section assume that you are using floppy disk drive A. If you are using a different drive, modify the instructions in this section accordingly.
  1. Boot your computer to a command prompt.
  2. Type the following command, and then press ENTER:
    md c:\tempplus
  3. Type the following command, and then press ENTER:
    copy c:\windows\command\extract.exe c:\tempplus
  4. Put disk 1 of the original Microsoft Plus! disks in drive A, type the following command, and then press ENTER:
    c:\tempplus\extract a:\plus_1.cab drvplus.bin /l c:\tempplus
  5. Replace disk 1 in the floppy disk drive with disk 2.
  6. Type the following line, and then press ENTER:
    c:\tempplus\extract a:\plus_2.cab scanplus.exe /l c:\tempplus
  7. Place the Startup disk in drive A.
  8. Type the following commands. Press ENTER after each command:
    copy c:\tempplus\scanplus.exe a:\
    copy c:\tempplus\drvplus.bin a:\
    ren a:\scanplus.exe a:\scandisk.exe
    ren a:\drvplus.bin a:\drvspace.bin
  9. Restart your computer with the Startup disk in the drive.

Properties

Article ID: 136900 - Last Review: September 27, 2013 - Revision: 1.2
APPLIES TO
  • Microsoft Windows 95
  • Microsoft Plus! 95 Standard Edition
Keywords: 
kbnosurvey kbarchive KB136900

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