Troubleshooting

Troubleshooting (Basic)

Follow the instructions below when a problem has occurred. There is also an advanced troubleshooting guide in the “Reference Manual”. For a software problem, refer to the software’s instruction manual. If the problem persists, contact

Panasonic Technical Support (

page 33). You can also check the computer’s status in the PC Information Viewer

(

Reference Manual “Troubleshooting (Advanced)”).

 

 

Starting Up

 

 

 

 

 

 

 

 

 

 

Cannot start up.

 

Connect the AC adaptor.

 

The power indicator or bat-

 

Insert a fully charged battery.

 

tery indicator is not lit.

 

Remove the battery pack and the AC adaptor, then connect them again.

 

 

 

If a device is connected to the USB port, disconnect the device, or set [USB Port] or

 

 

 

[Legacy USB Support] to [Disable] in the [Advanced] menu of the Setup Utility.

 

 

 

If a device is connected to the ExpressCard slot, disconnect the device, or set

 

 

 

[ExpressCard Slot] to [Disable] in the [Advanced] menu of the Setup Utility.

 

 

 

Press Fn + F8 to turn off the concealed mode.

 

 

 

 

 

The power is turned on but

 

The computer is warming up before start up. Wait for the computer to start up (takes

“Warming up the system (up

 

up to 32 minutes). If, “Cannot warm up the system” is displayed, the computer failed to

to 32 minutes)” appears.

 

warm up and will not start. In this case, turn off the computer, leave it in an environment

 

 

 

of 5 °C {41 °F} or higher temperature for about an hour, and then turn on the power

 

 

 

again.

 

Cannot turn on the computer.

 

Leave it in an environment of 5 °C {41 °F} or higher temperature for about an hour, then

The computer does not re-

 

turn on the power again.

 

sume from sleep

 

 

 

 

 

(

)/standby

 

 

 

 

 

(

).

 

 

 

 

 

(The power indicator blinks

 

 

 

 

 

quickly in green.)

 

 

 

 

 

After adding or changing

 

Turn off the computer and remove the RAM module, then confirm whether the RAM

the RAM module, the power

 

module has compliant to specification. When the RAM module has conformed to specifi-

is turned on but nothing is

 

cation, install it again.

 

displayed on the screen.

 

 

 

 

 

 

 

 

Slide and hold the power switch for four seconds or longer to shut down the computer

The computer does not

 

forcibly. (Data not saved will be lost.) Then disable the screen saver.

enter sleep mode while the

 

 

 

 

 

screen saver is running. (The

 

 

 

 

 

screen stays black.)

 

 

 

 

 

You have forgotten the pass-

 

Supervisor Password or User Password: Contact Panasonic Technical Support

word.

 

( page 33).

 

 

 

 

Administrator password:

 

 

 

 

If you have a password reset disk, you can reset the administrator password. Set the

 

 

 

disk and enter any wrong password, then follow the on-screen instructions and set a

 

 

 

new password.

 

 

 

 

If you do not have a password reset disk, reinstall ( page 20) and set up Windows,

 

 

 

and then set a new password.

 

“Remove disks or other

 

A floppy disk is in the drive (optional) and it does not contain system startup information.

media. Press any key to

 

Remove the floppy disk and press any key.

restart” or a similar message

 

If a device is connected to the USB port, disconnect the device, or set [USB Port] or

appears.

 

[Legacy USB Support] to [Disable] in the [Advanced] menu of the Setup Utility.

 

 

 

If a device is connected to the ExpressCard slot, disconnect the device, or set

 

 

 

[ExpressCard Slot] to [Disable] in the [Advanced] menu of the Setup Utility.

 

 

 

If the problem persists after removing the disk, it may be a hard disk failure. Contact

 

 

 

Panasonic Technical Support (

page 33).

Windows startup and opera-

 

Press

 

in the Setup Utility (

Reference Manual “Setup Utility”) to return the

 

F9

tion is slow.

 

Setup Utility settings (excluding the passwords) to the default values. Start the Setup

 

 

 

Utility and make the settings again. (Note that the processing speed depends on the ap-

 

 

 

plication software, so this procedure may not make Windows faster.)

 

 

 

If you installed a resident software after purchase, turn off the residence.

 

 

 

 

 

Disable Indexing Service in the following menu.

 

 

 

Click [start] - [Search] - [Change preferences] - [With Indexing Service (for faster local

 

 

 

service)].

 

22

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Panasonic CF-31 appendix Troubleshooting Basic, Starting Up

CF-31 specifications

The Panasonic CF-31, part of the Toughbook line, is a highly durable and versatile laptop designed for professionals who operate in demanding environments. Built to withstand the rigors of outdoor work, it combines robust construction with advanced technology to deliver reliable performance.

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Overall, the Panasonic CF-31 embodies a blend of ruggedness, processing power, and user-friendly features, making it a top choice for professionals needing a reliable laptop in demanding conditions.