Below
is a listing of what causes CDR 101, 102 and 103 errors when accessing CD-ROM
drives. If you are looking for additional CD-ROM troubleshooting help, see our CD-ROM page.
CDR 101
Cause:
Driver issue / Hardware issue.
Recommendations:
Boot to a: - Attempt to boot from a
boot
disk that has CD-ROM support. Test the CD-ROM drive. If the drivers are properly
loaded on the diskette, however, you still receive a problem, it's a good possibility it is a
hardware issue; attempt to reset the cables.
Check cables - If you have moved or installed anything recently into your computer,
or booting from A does not detect the CD-ROM, it's a good possibility the cables may not be
connected or are loose within your computer. It is recommended that you open your computer and
reseat the cables connected on the back of your
CD-ROM drive
and connected to your Motherboard.
Check drivers - Verify you have the latest
CD-ROM Drives
Booting A works however without disk it does not work - It's a good
possibility that the drivers are not being loaded properly within your autoexec.bat /
config.sys. See our CD-ROM drivers page for additional driver
installation help.
CDR 102
Cause:
Generally caused by software driver issues.
Recommendations:
Remove /e from mscdex.exe
Set emm386.exe to auto in the autoexec.bat by adding /auto to the end of the emm386 line
within the config.sys
CDR 103
Cause:
CD does not follow the ISO-9660 standard.
Recommendations:
Ensure that the CD is clean. Follow steps on
cleaning
page.
Extra Information:
If this issue is occurring with one CD, it is a good possibility the CD
either does not follow the above standard or that the CD was incorrectly made. It is
recommended you contact the manufacturer of the CD. However, if
this issue occurs with every CD, it's a good possibility that the CD-ROM drive may
physically have issues and it is recommended you contact the
manufacturer
of the CD-ROM drive.
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