NEC Ready 9734ES Pro, Инструкция по обслуживанию и справочник

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4. Check hard disk cable and hard disk.
Replace as necessary.
5. Replace system board (or hard disk
controller PCB if the system board controller
is not used).
Memory malfunction Total memory not recognized. 1. Reseat DIMMs.
2. Systematically swap DIMMs.
3. Check to see if the DIMM configuration is
valid (see Section 3).
4. Replace DIMMs.
5. Replace system board.
Fax/data/
speakerphone
board malfunction
No output from board. 1. Check interrupts (see Appendix C).
2. Check DMA channels (see Section 1).
Keyboard or mouse
malfunction Monitor has prompt, but cannot
input data.
1. Check that keyboard/mouse is plugged in.
2. Check password (see Section 2).
3. Disable password (see Appendix C).
4. Replace keyboard (or mouse).
5. Replace system board.
Monitor malfunction Unable to synchronize display.
1. Adjust the monitor’s synchronization
controls.
2. Check that the monitor’s resolution
matches the video setting or the video driver
used.
3. Check that the utility is not selecting a
refresh rate/resolution that is not supported
by the monitor.
4. Check that the driver used matches the
capabilities of the video controller and video
memory.
Wavy display.
1. Check that the computer and monitor are
not near motors or electric fields.
Blank display.
1. Press any key or move the mouse to ensure
power management has not blanked the
display.
2. Check that the monitor power switch is
on.
3. Check that the monitor cable is attached to
the video connector at the back of the
system.
4. Check cable connections between the AC
power supply and monitor.
5. Adjust brightness and contrast controls on
the monitor.
6. Replace system board or graphics board,
depending on model.
7. Replace monitor.