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5. Check that the color-coded edge on the IDE cable aligns with pin 1 on the IDE port and is closest to the
power cable on the CD-ROM drive. See Attaching the Cables to the Drive.
6. Check that the IDE cable is connected to the proper IDE port connection. See Installation Requirements
for more information.
7. Check the CD-ROM drive and any other device on the IDE cable for the proper settings. See Selecting an
IDE Port for more information.
8. If the middle connector on the IDE cable is attached to the IDE port on the system board, remove the
connector and reattach the cable. If there is only one device on the IDE port, attach the connector at one end
of the cable to the IDE port and the connector at the other end to the device, leaving the middle connector (if
there is one) open.
If there are two devices on the IDE port, attach the connector at one end of the cable to the IDE port. If there
is a hard disk drive, attach it to the connector at the other end of the cable and attach the CD-ROM drive to the
middle connector.
You cannot access the CD-ROM (DOS and Windows 3.X) or the CD-ROM icon (Windows) does not
display.
Your CD-ROM device driver might not be loaded or cannot be found. Before checking the CONFIG.SYS and
AUTOEXEC.BAT files, make a backup copy of these files in a convenient directory.
1. At the DOS prompt:
a. Type copy CONFIG.SYS CONFIG.IBM and press Enter.
b. Type copy AUTOEXEC.BAT AUTOEXEC.IBM and press Enter.
2. Use a text editor such as E or Edit. At the DOS prompt, type E (or your editor name) CONFIG.SYS and
press Enter.
3. Insert the following line at the top of the CONFIG.SYS file to allow for more than five drive letters, if
needed.
4. Check for the line that refers to the device driver.
If this line is not present, add it.
5. Save the CONFIG.SYS file and exit.
6. Type E (or your editor name) AUTOEXEC.BAT, press Enter.
7. Check for the line that refers to the device driver.
If this line is not present, add it.
8. If the Windows screen automatically displays when you start your computer, check that the line
comes before the line that starts Windows (WIN). If not, move the MSCDEX statement above this line in the
file.
9. Save the AUTOEXEC.BAT file and exit.
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