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Dos Compatabiltiy Mode

Posted on 1997-02-03
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Last Modified: 2013-12-16
Installed a game on a Packard Bell 486 computer running win95 with 8mgs of
ram.  The game (Titantic) installed direct X, since then we see the CD ROM
drive and it loads  the driver but won't recogonize any cd's.  Asside from
this windows is running in Dos Compatability mode, which, from what we can
gather means that there is a conflict between a real mode driver and a
windows protected mode driver.  We have tried everything to get it back to
the way it should be, but we can't.  Since we have Windows on CD, we
borrowed the disk version to reinstall windows, thinking this would cure
the problem, but it didn't.  According to the message that comes up about
dos compatibiliity mode windows should tell us what driver is causing the
problem, but it doesn't.  We have tried to reconfigure the Autoexec and
config and even remmed it out, we have looked in the registry and found
nothing.  

We have since removed the Harddisk control driver which had an exclamation point and reinstalled win95 again and rebooted.  We are still in Dos compatabiltiy mode even after reinstalling
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Question by:realtor020297
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jerryd earned 100 total points
ID: 1744939
URGENT!  This many not be the answer, but I have run across this same exact problem.  I assume you mean that when you go to the System Properties - Performance tab, your Disk Drive is running in DOS Compatability mode.  The reason for this is because YOU HAVE A BOOT SECTOR VIRUS!  Please forgive me if I'm wrong on this one, but the symptoms are identical to the system I had the probelem with, and I spent 3 hours before I was guided to the MS Knowledge Base document # Q130179 which can be found at
http://www.microsoft.com/kb/articles/q130/1/79.htm
I hope this isn't the problem, but if it is, hope this gets to you in time.  Most anything will be able to clean it.  Good Luck.
Jerry

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