CDRom drives and how to set them up.
FOR WHEN WINDOWS CRASHES, WHEN YOU'VE DELETED
IMPORTANT STUFF, YOU NEED TO RE-INSTALL WINDOWS,
AND YOU CAN'T ACCESS THE D DRIVE
find existing, get hold of new MSCDEX.EXE
(to run CDROM drivers)
find existing, or get hold of new (eg from floppy)
CDROM driver file(s)
put these files in sensible places on the c:\ drive
(or in subdirectories) and write down the locations
on a scrap of paper
add a line to the AUTOEXEC.BAT as follows (EXAMPLE):
C:\DOS\MSCDEX.EXE /D: 12345678 L:D
and note that the last bit (L:D) sets the NAME of the
CDROM drive to 'D'
add a line to the CONFIG.SYS file as follows (EXAMPLE):
DEVICE=C:\DCROM\DRIVERNAME
where drivername is the name of the right driver file
(usually a .sys or an .exe file with a name like
NEC_IDE.SYS)
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Or alternatively get a Windows startup disk, which
will automatically install the CD-Rom driver and put you into DOS
ready to run Windows setup.