NEC NX7700i/5080H-32 Operation Manual page 166

Troubleshooting
• Check that the VGA console brightness is set to the proper level.
(4) Console commands cannot be entered.
• Check that the keyboard and mouse are connected properly.
• Check that the keyboard and mouse are connected to the I/O module properly.
- Are the right cables used?
- Are the connectors firmly inserted?
(5) The OS does not boot.
• Check that the Power LED of each package turns on.
• Check that the SP console does not display errors.
• When the OS is booted from the DVD-ROM unit on the I/O module, check that
DVD-ROM/CD-ROM unit is connected properly.
• When the OS is booted from the DAT unit on the I/O module, check that the digital audio
tape is loaded correctly.
• When the OS is booted from the HDD on the I/O module (core module), check that the
HDD is connected properly.
(6) The DVD-ROM/CD-ROM medium cannot be read.
• Check that the orange LED on the DVD-ROM unit lights.
• Check that the medium is loaded on the DVD-ROM unit properly.
• Check that data is saved on the medium properly.
- Use more than one medium for confirmation.
• Check that the DVD-ROM unit operates normally.
(7) The digital audio tape cannot be read.
• Check that the green LED on the DAT unit lights.
• Check that data is saved on the digital audio tape properly.
- Use more than one tape for confirmation.
• Check that the DAT unit operates normally.
(8) The system does not recognize the SCSI or HDD.
• Check the settings in BIOS Setup.
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