IBM 6644, 6645, 6646 manual CD-ROM Drive, Try reading the CD with a known good CD-ROM drive

CD-ROM Drive

IMPORTANT: For the diagnostics procedure of CD-ROM drive, use an external USB diskette drive to load the diagnostics program from the diskette.

001 - START

•Insert the diagnostics diskette into the USB diskette drive and ensure that there is no CD in the CD-ROM drive.

•Select Interactive Tests menu, then select and execute CD-ROM Test.

002 - DO YOU SEE A MESSAGE “NO CD-ROM DRIVE OR MSCDEX DEVICE DRIVER INSTALLED.”? (YES, READ AHEAD. NO, GO TO 003.)

•Exit the diagnostics program and power off the system.

•Check and ensure that the CD-ROM drive power cable and audio and data cables are not damaged and are connected properly.

•Check and ensure that the CD-ROM drive driver is loaded correctly.

•Load default settings.

003 - DO THE TESTS OF OPEN/CLOSE TRAY BY DIAGNOSTICS PROGRAM AND BY DEPRESSING CD-ROM DRIVE BUTTON WORK? (YES, READ AHEAD. NO, GO TO STEP 006.)

•Load a known good data CD into the CD-ROM drive and try to read its content by typing DIR at DOS prompt.

004 - CAN A CD BE READ FROM THE CD-ROM DRIVE? (YES, THEN THE CD-ROM DRIVE FUNCTIONS NORMALLY. NO, READ AHEAD.)

•Try reading the CD with a known good CD-ROM drive.

005 - IS THE CD STILL NOT READABLE? (YES, READ AHEAD. NO, GO TO STEP 006.)

•Replace system board.

62 IBM Desktop System HMM