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Troubleshooting (Advanced)
Refer to the following instructions when a problem occurs. If the remedies indicated in the chart do not solve the problem,
contact Panasonic Technical Support. For a software problem, refer to the instruction manual of the software.
• To check the computer's usage status (

Shut Down

Cannot shut down or restart Windows.
Standby or Hibernation
Cannot enter standby or hibernation.
Cannot enter standby or hibernation
The computer does not resume.
The computer will not automatically
enter standby/hibernation mode.
No sound.
Distorted sound.
Remove USB devices.
It may take 1 or 2 minutes to shut down.
Remove USB devices temporarily. If the problem persists, restart the computer.
It may take 1 or 2 minutes to enter standby or hibernation.
The computer may not enter standby when the computer is communicating via
The computer does not enter standby or hibernation immediately after
resuming. Wait approximately one minute.
Disconnect peripheral devices.
If you slide and hold the power switch for four seconds or longer, the power will
be turned off forcibly and the computer will not resume. In this case, all unsaved
data will be lost.
You disconnected the AC adaptor and the battery pack while the computer was
in standby mode. If the computer's power supply is disconnected in standby
mode, unsaved data will be lost and the computer will not resume.
The battery is exhausted. Standby and hibernation consume some power.
If you connect to a network using wireless LAN function, select the profile and
connect to the access point (
If you do not use wireless LAN function, turn off wireless LAN function (
Make sure that you are not using any software that regularly accesses the hard
Close AMcap for TOUGHBOOK.
Press Fn+F4 or Fn+F6 to cancel mute.
Press Fn+F8 to turn off the concealed mode.
Restart the computer.
Performing Fn key combinations sometimes causes sound distortion. Stop and
restart playback.


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