Problem Checklist - NEC Versa TXi Series Service Manual

This chapter provides information to help isolate and repair notebook computer malfunctions at
the field level. The notebook computer has a built-in program that automatically checks its
components when the notebook is powered on. If there is a problem, the notebook 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
"Problem Checklist" for assistance. If the information in the checklist does not help, refer to
"Startup Problems" for additional help. See "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."

Problem Checklist

Check the items in the following list. If these items don't help, see the "Troubleshooting" table
that follows the list.
1. Power is on to the notebook computer.
The electrical outlet to which the AC adapter is connected is working. Test the outlet by
2.
plugging in a lamp or other electrical device.
All cables are tightly connected.
3.
4. The display setting is configured correctly.
5. The display's brightness control is adjusted properly.
If using battery power, check that the primary battery is properly inserted and fully charged.
6.
Problem
The notebook does not power
on.
LCD screen is dark and blank.
Battery power does not last
long.
6-2 Troubleshooting
Troubleshooting
What to Do
If you are operating the notebook with battery power, check that
the primary battery is correctly inserted. Attach the AC adapter to
recharge the battery.
If you have the AC adapter attached, check that the electrical
outlet you are using works.
Power-saving mode has shut off the backlight. Recover by
pressing any keyboard key.
The built-in LCD may not be selected. Press Fn-F3 once or twice.
Screen brightness needs adjustment. Use the Fn-F8 and Fn-F9
keys.
The notebook entered Standby mode due to low battery power.
Use the power meter to check battery status. Plug in the AC
adapter or replace the battery, and then press the power button
to resume operation.
Use power-saving modes.
Fully charge and fully discharge the battery several times to
recondition it.
Replace the battery.