Troubleshooting 7-7
Problems and Solutions
Problem
Symptom
Solution
Keyboard or mouse
malfunction
LCD panel display has prompt,
but cannot input data using
keyboard or mouse.
1. Check that keyboard/mouse is plugged
into correct port.
2. If using USB mouse, try different USB
port.
3. Check password (see Chapter 2).
4. Disable password (see Chapter 2).
5. Replace keyboard (or mouse).
6. Replace interface board (see Chapter 3).
7. Replace system board (see Chapter 3).
LCD panel
malfunction
Blank display.
1. Check that system power is on.
2. Ensure that system is not in power saving
sleep mode. Press the space bar or move the
mouse to wake the system up.
3. Adjust brightness controls on LCD unit.
4. Check that LCD panel interface cable and
power cable are connected to system board
(see Chapter 3 and Chapter 4).
5. Replace LCD panel (see Chapter 3).
PC Card does not
work
No output.
1. Check PC Card for correct insertion in
slot.
2. Remove PC Card and insert in other slot.
3. Check PC Card driver installation for IRQ
or I/O conflict.
4. Replace PC Card with a different card to
see if system works. If card works, replace
bad card.
5. Check if the PC Card bay is firmly
plugged into its connector on the system
board. Otherwise, replace the PC Card bay
(see Chapter 3).
CD-ROM drive
malfunction
System power not on.
1. Turn system power on.
2. Check that drive is secured in the optical
drive bay connector.
Disc tray does not open.
1. System power not on. Turn system power
on.
2. System power failed. Insert the end of a
straightened paper clip into emergency eject
hole, then gently press inward until tray
opens.
Содержание PowerMate eco
Страница 1: ...PowerMate eco Microdesktop Computers POWERMATE eco S E R V I C E A N D R E F E R E N C E M A N U A L ...
Страница 11: ...1 System Overview Product Description External Features Internal Components Software Security ...
Страница 66: ...4 Board Layouts System Board Operation Board Legacy Board Interface Board ...
Страница 71: ...5 Illustrated Parts Breakdown Replaceable Parts List Illustrated Parts Breakdown ...
Страница 75: ...6 Preventive Maintenance System Cleaning Keyboard Cleaning Mouse Cleaning ...
Страница 78: ...7 Troubleshooting Checklist Diagnostics ...
Страница 89: ...9 Specifications Microdesktop System Keyboard Mouse AC Power Adapter Environmental and Safety Compliance ...
Страница 110: ...819 200904 001 08 02 NEC Solutions America Inc Mobile Solutions Division www necsolutions am com mobilesolutions ...