Windows 95 is booting up saying that it is using compatibility mode for the hard disk. This problem is usually caused by misconfiguration, particularly old drivers that are left over after an upgrade from an older operating system. Scan the system for viruses .
Viruses can cause compatibility mode to be used.
Older versions can cause this problem. You may have an incorrect or incompatible set of bus mastering drivers installed. This will cause Windows 95 to use compatibility mode. See here for more help on bus mastering drivers . This page has been served 4628 times.