NEC POWERMATE CT 815 - RELEASE NOTES, Инструкция по обслуживанию и справочник

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7-2 Troubleshooting
This section provides information to help isolate and repair system malfunctions at the field
level. The system has a built-in program that automatically checks its components when the
system is powered on. If there is a problem, the system displays an error message. If this
happens, follow any instructions on the screen.
If screen messages do not help or an error message does not appear, refer to the information in
this section to help determine and correct the problem. For the more common problems, refer to
“Checklist” for assistance. If the information in the checklist does not help, refer to
“Diagnostics” for more detailed problem solving.
If disassembly is required, see Section 3, “Disassembly and Reassembly.” Jumper setting
information is given in Section 2, “System Configuration” and in Section 4, “System Board.”
Checklist
Check the following information for a match to a system or component problem and the possible
cause and solution.
System Problems
!
No power and power lamp not lit.
Check that the power switch is on.
Check that the power cable is plugged into the system power socket and that the other end is
plugged into a live, properly grounded AC power outlet or surge protector.
Check the outlet or surge protector by plugging in a lamp.
!
Non-System Disk error message displays when the system is started.
A diskette is in the diskette drive, and the diskette drive is set before the hard drive in boot
order. Remove the diskette from drive A and restart the system.
!
Operating system not found error message displays when the system is started.
If a CD is left in the CD-ROM drive, the system may not be able to boot. Try removing the
CD and rebooting.
!
System does not boot and error message displayed on screen.
Run the Setup Utility (see Section 2, “System Configuration”). Check that the parameters
are set correctly, particularly if you just installed an option.
!
System emits continuous beeps.
Turn the system off, wait at least five seconds, and turn the system on. If the beeps
continue, call NECC Technical Support Center (see Section 8, “NECC Information
Services” for telephone numbers).
!
System does not maintain date, time, or system configuration information.
Replace the CMOS battery (see “CMOS Battery” in Section 3, “Disassembly and
Reassembly”).
!
System does not boot from hard drive.
The system usually tries to start from the diskette drive before it starts from the hard drive.
Remove the diskette from the diskette drive.
Run the Setup Utility (see “Advanced Menu” in Section 2, “System Configuration”) and set
the Boot parameter to hard disk device instead of floppy disk device.