23
T
roubleshooting
The Reference Manual is
not displayed
Windows cannot be shut
down or restarted
Shutting down
Do not shut down Windows during music playback.
If a USB device is connected, try removing it.
Was an attempt made to shut down (or restart) Windows while the computer was con-
nected to a network drive using a LAN?
With the following procedure, shut down (or restart) Windows after disconnecting the
network drive.
1
Windows 2000
Select [My Computer] on the Desktop with the right button of the touch pad and then
select [Disconnect Network Drive].
Windows XP
Select [Start] - [My Computer] and then select [Tools] - [Disconnect Network Drive].
2
Select all of the displayed network drives, then select [OK].
Is Acrobat Reader installed?
If Acrobat Reader is not installed, run [c:\util\reader\ar500enu.exe] in [Start] - [Run] to
reinstall the program. When installing the program, do not change the installation destina-
tion folder. If the destination folder is changed, the Reference Manual cannot be opened
from the [Start] menu.
Reference Manual
The red indicator lights.
Repeated beeping sound
while the computer is in use.
The red indicator blinks
The orange indicator blinks
The battery level is low. Save your data and power off your computer.
After connecting the AC adaptor or replacing the battery pack with a fully charged one, turn
your computer on.
The battery pack or recharging function may be defective. Quickly remove the battery
pack and disconnect the AC adaptor, then connect them again.
If the problem persists, contact Panasonic Technical Support.
Unable to charge because of an improper temperature range. (
page 6)
Battery Indicator
Others
Press
Ctrl
+
Shift
+
Esc
to open Task Manager and close the software application
which is not responding.
After shutting down by rotating the power switch for more than four seconds, rotate the
power switch to power on and open the application again.
If the program no longer works normally, delete the program using the following menu.
Then reinstall the program.
Windows 2000
: [Control Panel] - [Add/Remove Programs]
Windows XP
: [Control Panel] - [Add or Remove Programs]
Computer hangs
Some applications may not
work properly
When switching to a different user with the Fast User Switching function, the following
problems may occur.
• Some applications may not work properly (for example, PDF files may not be printed
properly).
• Key combinations with the Fn key may not work.
• It may not be possible to set the settings of the display.
• A serial mouse may not work.
If any of the above occur, log on with the administrator authority again, not using the Fast
User Switching function, and try the operation once more.
Fast User Switching function
Windows XP
Summary of Contents for Toughbook CF-28 Series
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