Check the MS Knowledge base, there are several possible causes, but the most
common one I have seen is a NOIDE entry in the registry. Open regedit, do a
search for "noide" and delete the entry if it is there. Usual disclaimers
about backing up the registry apply. The second most common reason I have
seen is a boot sector virus, run a virus protection program to check for
that.

Karl



> hi...jim in minnesota.  yesterday i posted re: a problem with my win 95a
> laptop running
> in ms-dos compatibility mode file system.  thanks to a tip from a group
> member  i checked my device manager and found under "hard disk
> controllers" yellow error signs attached to "primary ide controller
> (single fifo)" and "secondary ide controller (single fifo".  the third
> listing under hard disk controllers, "standard dual pci ide controller"
> does not show an error.  as per a suggestion, i removed the "standard
> dual" and re-booted. however, the errors and dos compatibility remain.
> checking faulty controllers, i get this message under device status
> "this device is not present, not working properly, or does not have all
> the drivers installed."  but i am told the standard dual pci ide
> controller is working properly.  i pulled the laptop hard drive out.  it
> is a toshiba md2720fc, a standard drive pci ids controller, hardware
> version 004.

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