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invalid command.com

Posted on 1997-07-03
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Last Modified: 2013-12-29
I recently upgraded my system from a 486DX2 to a Pentium-S and am running Windows 3.11.  Whenever I set my system to 32-bit access, everything seems to run fione until I exit. I then get the message "invalid command.com  system halted".  I have removed all references to command.com in the DOS directory from my autoexec.bat and config.sys files.  When I rename the command.com in the DOS directory and restart, I still get an error "Cannot find PATH:C:\DOS\COMMAND.COM".  This does not stop the system from loading and I still get "invalid command.com" on exit.
Does anyone know why this path is still present or how to change it?
Also, is this the answer I am looking for or do I need a new version for the Pentium?
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Question by:dgo4th
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Expert Comment

by:humberto063097
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You couldn't remove command.com from c:\, because if you do
that, because if you do that the computer wouldn't start. When
you exit windows and get "invalid command.com" put in config.sys:
shell=c:\command.com.

ATTENCION: the file command.com must exist in c:\
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by:dgo4th
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This answer has already been tried.  The problem does not concern accessing a correct command.com.  The problem has to do with 32-bit access.  When The system is set to 16-bit access, there is no problem.
Thanx, anyway
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Accepted Solution

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glon earned 100 total points
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It sounds like you need the correct 32-bit device driver for your hard drive. Determine the manufacturer of your hard drive then check their web site for the appropriate driver. Without it, you should leave 32-bit disk access off.
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by:dgo4th
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I think you have hit it on the head.  This driver had been inadvertently deleted when the system upgrade took place.  However, upon obtaining this file and entering it in the system.ini file I obtained some more conflicts which will take a little work on my part to rectify.
Thank you

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