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Chapter 4
71
NOTE:
If you cannot find a symptom or an error in this list and the problem remains, see “Undetermined
Problems” on page 74.
Serial or parallel port loop-back test failed.
Make sure that the LPT# or COM# you test is the same as
the setting in BIOS Setup.
Loop-back.
Mainboard
Printing failed.
Ensure the printer driver is properly installed. Refer to the
printer service manual.
Printer.
Printer cable.
Mainboard.
Printer problems.
Refer to the service manual for the printer.
Keyboard-Related Symptoms
Symptom / Error
Check or do the following in sequence
Some or all keys on keyboard do not work.
Keyboard
Power Supply-Related Symptoms
Symptom / Error
Check or do the following in sequence
Pressing power switch does not turn off
system. (Only unplugging the power cord
from electrical outlet can turn off the
system.)
Ensure the Soft-off by PWR-BTTN. in BIOS Setup of Power
Management is not set to Instant-off.
Power switch cable assembly
Pressing power switch does not turn on the
system
Ensure the power override switch (situated at the back of the
machine, just above the connector for the power cable) is not
set to OFF.
Power switch cable assembly.
Executing software shutdown from
Windows98 Start menu does not turn off the
system. (Only pressing power switch can
turn off the system).
Load default settings.
Reload software from Recovery CD.
No system power, or power supply fan is
not running.
Power Supply
Mainboard
Video and Monitor-Related Symptoms
Symptom / Error
Action/FRU
Содержание Aspire X3950
Страница 1: ...Acer Aspire X3950 X5950 Service Guide PRINTED IN TAIWAN ...
Страница 16: ...8 Chapter 1 ...
Страница 39: ...Chapter 3 31 3 Disconnect the LED cable from the mainboard then remove the bezel X3950 ...
Страница 46: ...38 Chapter 3 5 Slide the optical drive out of the bracket ...
Страница 58: ...50 Chapter 3 12 Lift the board off the housing ...
Страница 60: ...52 Chapter 3 ...
Страница 83: ...Chapter 5 75 System Block Diagram System Block Diagram and Board Layout Chapter 5 ...
Страница 86: ...78 Chapter 5 ...
Страница 100: ...92 Chapter 6 SPEAKER SPEAKER USB NEOSONICA NEW SILVER COLOR AC MT 113 SP 10600 035 ...
Страница 108: ...Appendix A 100 ...