Panasonic Toughbook SX2 Operating Instructions Manual page 24

Troubleshooting (Basic)
Shutting down
Windows does not shut
down.
Display
When the screen becomes
black for a moment.
No display.
The screen is disordered.
The external display does
not work normally.
Battery
The battery indicator lights
red.
The battery indicator is
blinking.
The battery indicator is
flashing.
24
Remove all peripheral devices.
Wait one or two minutes. It is not a malfunction.
When you set [Display power saving function] of Power Plan Extension Utility to
[Enabled], if you do the following operations, the screen becomes black for a
moment, but this is not a malfunction. You can use it.
• Adjust the brightness of the screen with Fn + F1 / Fn + F2.
• Remove and insert the AC adaptor.
While you are using motion video playback software, benchmark software for
graphic, if error screen is displayed or application software does not function nor-
mally, set [Display power saving function] to [Disabled].
The external display is selected. Press Fn + F3 (or
Wait until the display has been switched completely before pressing Fn + F3 (or
+ P) again.
The display is turned off by the power-saving function. To resume, do not press the
direct selection keys, but press any other key like Ctrl.
The computer entered sleep or hibernation by the power-saving function. To
resume, slide the power switch.
The screen may become darker. Press Fn + F2 to make the screen brighter.
Changing the number of display colors and resolution may affect the screen. Restart
the computer.
The refresh rate of the internal LCD may be 40 Hz. Change the refresh rate of the
internal LCD.
A Right-click on the desktop, and click [Graphics Properties].
B Click [OK].
C If [Refresh Rate] of the Notebook is [40 Hz], change to [60 Hz] and click [OK].
If the external display does not support the power saving function, it may not work nor-
mally when the computer enters the power saving mode. Turn off the external display.
The battery level is very low (the charge is approx. 9% or less).
Connect the AC adaptor. You can use the computer when the indicator light is orange. If
you do not have an AC adaptor, save your data and power off your computer. After
replacing the battery pack with a fully charged one, turn your computer on again.
If blinking red:
Quickly save your data and power off your computer. Remove the battery pack and dis-
connect the AC adaptor, then connect them again. If the problem persists, contact Pana-
sonic Technical Support (
defective.
If blinking orange:
• Battery cannot be recharged temporarily because the internal temperature of the
battery pack is outside the acceptable temperature range for recharging. Your
computer can be used normally in this state. Once the range requirement is satis-
fied, charging begins automatically.
• Software applications and peripheral devices (USB devices, etc.) are consuming
too much power. Exit the software applications currently running, and remove all
peripherals. Once the range requirement is satisfied, charging begins automati-
cally.
The battery is recharging.
If [Battery Charging Indicator] in [Main] menu of the Setup Utility is set to [Flashing], the
indicator will alternately become lighter and darker.
-36 ). The battery pack or charging circuit may be
pages 32
+ P) to switch the display.