Brand: Panasonic
Category: Tablet Computer
Document Type: Manual
Language: EN
Available Languages: EN , ES
Manual for CF-31
Uploaded: Nov. 21, 2025, 9:14 p.m.
Warranty Information
This manual details the LIMITED WARRANTY for Panasonic products, covering hardware, software, and accessories with specific periods and exclusions.
First-time Operation
Preparation: Check and identify supplied accessories (AC Adaptor, AC Cord, Battery Pack, etc.). Read the LIMITED USE LICENSE AGREEMENT.
Inserting the Battery Pack: Slide latches to unlock and open the cover, insert the battery pack, and close the cover, then lock the latch. Ensure latches are securely locked to prevent the battery pack from falling.
Attaching the stylus: Use the tether to attach the stylus to the computer.
Opening the Display: Push and hold the latch and lift open the display.
Connecting to power: Connect the computer to a power outlet. Battery charging starts automatically.
Turning on the computer: Slide and hold the power switch until the power indicator lights. Do not slide the power switch repeatedly. Wait 10 seconds or more before turning on again if you just turned it off.
Setup Windows: Follow on-screen instructions. The computer will restart several times. Do not touch keyboard or touch pad during this process.
Restart the computer: Shut down the computer, then restart.
Create recovery disc: Recommended before using the computer.
Using wireless function: Slide the wireless switch to ON and configure settings.
Changing partition structure: Shrink existing partitions to create new ones if needed.
Troubleshooting and error codes
| Troubleshooting (Basic) | ||
|---|---|---|
| Starting Up | Cannot start up. The power indicator or battery indicator is not lit. | Connect the AC adaptor. Insert a fully charged battery. Remove the battery pack and the AC adaptor, then connect them again. ... |
| "Warming up the system (up to 32 minutes)" appears. | The computer is warming up before start up. Wait for the computer to start up (takes up to 32 minutes). | |
| After adding or changing the RAM module, the power is turned on but nothing is displayed on the screen. | Turn off the computer and remove the RAM module, then confirm whether the RAM module has compliant to specification. | |
| The computer does not enter sleep mode while the screen saver is running. (The screen stays black.) | Slide and hold the power switch for 4 seconds or longer to shut down the computer forcibly. Then disable the screen saver. | |
| You have forgotten the password. | Supervisor Password or User Password: Contact Panasonic Technical Support. Administrator password: Use a password reset disk or reinstall Windows. | |
| Shutting down | Windows does not shut down. | Remove the USB device and the ExpressCard. Wait 1 or 2 minutes. |
| Display No display. | The external display is selected. Press Fn + F3 or + P to switch the display. Check cable connection, turn on the display, and check settings. | |
| The screen is dark. | The display is turned off by the power-saving function. Press any other key like Ctrl to resume. The computer entered sleep or hibernation. Slide the power switch to resume. | |