Chapter 4 112Diskette drive LED comes on for more than 2minutes when reading data.1. Diskette2. Diskette drive connection/cable3. Diskette drive4. Main boardDiskette drive LED fails to light, and the driveis unable to access for more than 2 minutes.1. Diskette2. Diskette drive power3. Diskette drive connection/cable4. Diskette drive5. Main boardDiskette drive test failed. 1. Diskette2. Diskette drive3. Diskette drive cable4. Main boardHard Disk DriveNOTE: Ensure hard disk drive is configured correctly in BIOS Setup, cable/jumper are set correctlybefore diagnosing any hard disk drive problems. (If only one drive is installed, please makesure the drive is connected to master connector or the drive is set to master.)Hard disk drive test failed. 1. Enter BIOS Setup and Load default settings.2. Hard disk drive cable.3. Hard disk drive.4. Main board.Hard disk drive cannot format completely. 1. Enter BIOS Setup and Load default settings.2. Hard disk drive cable.3. Hard disk drive.4. Main board.Hard disk drive has write error. 1. Enter BIOS Setup and Load default settings.2. Hard disk drive.Hard disk drive LED fails to light, but systemoperates normally.1. With the system power on, measure the voltage of hard disk LEDconnector.2. Hard drive LED cable.CD/DVD-ROM DriveNOTE: Ensure CD/DVD-ROM drive is configured correctly in BIOS Setup, cable/jumper are setcorrectly and its laser beam is clean before diagnosing any CD/DVD-ROM drive problems.CD/DVD-ROM drive LED doesn't come onbut works normally.1. CD/DVD-ROM driveCD/DVD-ROM drive LED flashes for morethan 30 seconds before LED shutting off.Software asks to reinstall disc.Software displays a reading CD/DVD error.1. CD/DVD-ROM may have dirt or foreign material on it. Check witha known good disc.2. CD/DVD-ROM is not inserted properly.3. CD/DVD-ROM is damaged.CD/DVD-ROM drive cannot load or ejectwhen the system is turned on and its ejectbutton is pressed and held.1. Disconnect all cables from CD/DVD-ROM drive except powercable, then press eject button to try to unload the disk.2. CD/DVD-ROM drive power.3. CD/DVD-ROM driveCD/DVD-ROM drive does not read and thereare no messages are displayed.1. CD may have dirt or foreign material on it. Check with a knowngood disc.2. Ensure the CD/DVD-ROM driver is installed properly.3. CD/DVD-ROM drive.CD/DVD-ROM drive can play audio CD butno sound output.1. Ensure the headphone jack of the CD/DVD-ROM has an output.2. Turn up the sound volume.3. Speaker power/connection/cable.4. CD/DVD-ROM drive.Real-Time ClockReal-time clock is inaccurate. 1. Ensure the information in the Standard CMOS Feature ofBIOS Setup is set correctly.2. RTC battery.3. Main boardError Symptom Action/FRU