CDROM or Dvdrom Not Showing on Desktop

CD-ROM and DVD-ROM problems are defined by the inability to see the CD or DVD on the desktop or to open a CD or DVD that is loaded into the drive.

Possible Cause

Possible Fix

Bad CD-ROM or DVD-ROM disc.

Try using a known-good compact disc.

CD-ROM or DVD-ROM disc didn't load properly.

Manually eject the disc and try again. Push a paper clip through the manual eject hole located on the right side of the CD/DVD slot. Restart the iMac after the disc ejects. Note: The power must be on to eject a CD or DVD disc.

Corrupted system software

If the CD-ROM or DVD-ROM drive fails to mount, boot off the system CD that came with the unit. Do you see the CD-ROM or DVD-ROM drive on the desktop now? Yes: Reinstall system software. (You must use the system software CD that came with the unit to get the correct version of the Mac OS.) No: Go to the next step.

Master/Slave switch set incorrectly on the back of the CD-ROM or DVD-ROM drive.

Make certain the Master/Slave switch (located under the CD Adapter board) on the drive is set to Slave. The Slave position is the switch closest to the CD Adapter connector on the back of the CD-ROM or DVD-ROM drive. The switch is set correctly at the drive vendor, but it may have been moved by mistake.

Loose cable.

Check all cables running to and from the CD-ROM or DVD-ROM drive at both ends and make sure they are attached securely.

Bad CD-ROM or DVD-ROM drive.

Replace CD-ROM or DVD-ROM drive.

Bad HD/CD/DVD data cable.

Replace the HD/CD/DVD data cable.

Bad logic board.

Replace the logic board.

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