NEC Versa TXi Series, Руководство по обслуживанию

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6-6 Troubleshooting
Beep Codes
Number of
Beeps
Error
Description
10 CMOS Shutdown
Register Read/Write
Error The shutdown register for CMOS
RAM failed.
11 Cache Error/External
Cache Bad The external cache is faulty.
Diagnostics
This section summarizes problems that may develop during notebook operation and lists
suggested corrective actions.
Diagnostics
Problem or Symptoms Corrective Actions
No power Check that the AC adapter is plugged into the power port of the
notebook. Also, check that the AC adapter is plugged into a properly
grounded AC power outlet.
If using the main battery as the main power source, check if the battery
is the correct type, charged properly, and is inserted correctly.
Check that the power port cable is plugged into connector P4 on the
main board. Otherwise, replace the main board.
Power LED is on but no
display and notebook does
not turn on Check if the memory module is inserted properly. Also insert the
module into the other slot.
Check that the CPU is inserted properly.
Replace the memory module, CPU, or main board.
Display on the LCD is
unreadable Adjust the brightness.
Check if the installed driver is correct and resolution is set according to
the LCD size and type.
Check if the LCD panel is connected properly.
Replace the main board.
LCD screen does not show
display Check if the power saving mode is activated. Press any key or press
the power button to resume operation and display.
Check if the display output is switched to the external monitor.
Check if there is power.
Check if the LCD panel is disconnected or loose.
Replace the LCD panel.