CD-ROM driver not on list of Windows 95 supported drivers due to not installed.
Cause:
Windows 95 does NOT include drivers for every CD-ROM on the market. However, Windows 95 can use many older drivers that were originally designed for DOS and Windows 3.x by loading the driver and MSCDEX (the Microsoft CD-ROM extensions) from CONFIG.SYS and AUTOEXEC.BAT. If older drivers are already installed when Windows 95 Setup begins, it automatically detects and configures the older drivers.
Solution:
Add a DOS/Windows 3.x real-mode driver to Config.sys, add Mscdex to Autoexec.bat, and re-run Windows 95 Setup.
NOTE: Contact the manufacturer to make sure a Windows 95 driver is not available. A Windows 95 CD-ROM driver should offer better performance.
1) Turn on the computer and monitor.
2) Press F8 when 'Starting Windows 95' appears on the display.
3) Use the arrow keys to select 'Command Prompt only' from the 'Microsoft Windows 95 Startup Menu' and press ENTER.
4) Do one of the following to install the DOS/Windows 3.x CD-ROM driver:
a) If an Install program was provided with the CD-ROM, run the DOS/Windows 3.x CD-ROM driver Install program.
b) If no Install program was provided:
1] Determine the filename of the DOS/Windows 3.x CD-ROM driver.
2] Copy this file to a directory on the hard disk.
3] Type EDIT CONFIG.SYS and press ENTER.
4] Add the following line to Config.sys:
DEVICE=C:\<path>\<driver name> /D:<driver ID>
(where <path> is the hard disk directory that contains the DOS CD-ROM driver, <driver name> is the CD-ROM driver filename, and <driver ID> is a maximum eight-character identifier for the CD-ROM driver).
EXAMPLE: The following is a Config.sys device driver line for a Mitsumi IDE CD-ROM drive:
DEVICE=C:\CDROM\MTMCDAI.SYS /D:MTMIDE01
5] Save the changes to Config.sys.
6] Type EDIT Autoexec.bat and press ENTER.
7] Add the following line to Autoexec.bat:
C:\WINDOWS\MSCDEX /D:<driver ID> /L:D
(where <driver ID> is the same driver ID that was specified in the CD-ROM device driver line in Config.sys, and the 'D' in '/L:D' is the drive letter to assign to the CD-ROM while running Windows 95).
EXAMPLE: The following is the MSCDEX line in Autoexec.bat for a Mitsumi CD-ROM drive:
C:\DOS\MSCDEX.EXE /D:MTMIDE01 /L:D
NOTE: The <driver ID> matches that in the example of a device driver line from Config.sys.
8] Save the changes to Autoexec.bat and exit the editor.
5) Press CTRL+ALT+DEL to reboot the computer.
6) Make sure the CD-ROM drivers load correctly, and that the CD-ROM drive is accessible from MS-DOS.
7) Re-run Windows 95 Setup. (Windows 95 will automatically detect and configure the older drivers.)
