Troubleshooting (Advanced); Shut Down - Panasonic Toughbook CF-74JCL02AM Reference Manual

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.
Display
The screen does not become bright
even if pressing Fn+F2.
Standby or Hibernation
Cannot enter standby or hibernation.
Cannot enter standby or hibernation
automatically.
The computer does not resume.
page 105).
Remove USB devices.
It may take 1 or 2 minutes to shut down.
The brightness is set low to avoid malfunction where surrounding temperature
is high. Use it in an environment of between 5°C and 35°C.
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
modem.
The computer does not enter standby or hibernation immediately after resum-
ing. Wait approximately 1 minute.
When a disc formatted using B's CLiP is in the CD/DVD drive, the computer will
not enter standby or hibernation. Remove the disc.
Disconnect peripheral devices.
When a disc formatted using B's CLiP is in the CD/DVD drive, the computer will
not enter standby or hibernation. Remove the disc.
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 (
69).
Make sure that you are not using any software that regularly accesses the hard
disk.
If you press and hold the power switch for 4 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. If the computer's power supply is disconnected in standby, unsaved
data will be lost and the computer will not resume.
The battery is exhausted. Standby and hibernation consume some power.
page 70).
93
page