Knowledge Base

MS-DOS Err Msg with DiscTec: Unrecoverable Disk Error

Article ID: 105062

Article Last Modified on 5/6/2003

Microsoft MS-DOS 5.0 Standard Edition
Microsoft MS-DOS 5.0a
Microsoft MS-DOS 6.0 Standard Edition
Microsoft MS-DOS 6.2 Standard Edition
Microsoft MS-DOS 6.21 Standard Edition
Microsoft MS-DOS 6.22 Standard Edition

This article was previously published under Q105062

SYMPTOMS

You may receive the following error message when you try to install MS-DOS:

Unrecoverable Disk Error
Hard Disk is not readable.

CAUSE

This problem occurs when the DiskStor DISCTEC.SYS removable device driver is loaded in memory.

RESOLUTION

To work around this problem:

Edit your CONFIG.SYS file to remark out (REM) the command for DISCTEC.SYS.
Restart your computer.
Install MS-DOS.
Edit your CONFIG.SYS file and add the DISCTEC.SYS command.
Restart your computer.

Additional query words: 6.22 6.20 stepup Upgrade Step-Up

Keywords: KB105062