DOCUMENT:Q74422 17-DEC-2000 [msdos] TITLE :MS-DOS Does Not Upgrade from Compaq DOS 2.11 PRODUCT :Microsoft Disk Operating System PROD/VER:MS-DOS:5.x,6.0,6.2,6.21,6.22 OPER/SYS: KEYWORDS: ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft MS-DOS operating system versions 5.0, 5.0a, 6.0, 6.2, 6.21, 6.22 ------------------------------------------------------------------------------- SUMMARY ======= Compaq DOS version 2.11 is equivalent to MS-DOS version 2.1. Microsoft MS-DOS 5 or later Upgrade requires MS-DOS 2.11 or later to upgrade DOS to version 5.0 or later. The following error message is likely to occur when upgrading from Compaq DOS 2.11: YOUR VERSION OF DOS CANNOT BE UPGRADED BY SETUP MORE INFORMATION ================ You may receive this message when installing to the hard disk or to the floppy drive. To upgrade to MS-DOS 5.0 or later, use the following steps: 1. Install MS-DOS 5.0 or later on another computer by typing "setup/f" (without the quotation marks). 2. Boot the original computer using the startup disk. 3. Verify that the hard disk is functional under MS-DOS 5.0 or later (the CHKDSK [no /f] command will verify proper disk access by the current DOS version). 4. Use the SYS command to copy the system files onto the hard drive. 5. Copy the MS-DOS 5.0 files or later from the working disks to the DOS directory on the hard drive. 6. Restart the computer from the hard disk. Additional query words: 6.22 5.00 5.00a 6.00 6.20 ====================================================================== Keywords : Technology : kbMSDOSSearch kbMSDOS621 kbMSDOS622 kbMSDOS620 kbMSDOS600 kbMSDOS500 kbMSDOS500a Version : MS-DOS:5.x,6.0,6.2,6.21,6.22 ============================================================================= THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES SO THE FOREGOING LIMITATION MAY NOT APPLY. Copyright Microsoft Corporation 2000.