Useful Information
Handling and Maintenance
When using peripheral devices
Follow these instructions and the Reference Manual to avoid any damage to the devices. Carefully read the instruction manuals of the peripheral devices.
Use the peripheral devices conforming to the computer’s specifications.
Connect to the connectors in the correct direction.
If it is hard to insert, do not try forcibly but check the connector’s shape, direction, alignment of pins, etc.
If screws are included, fasten them securely.
Remove the cables when you carry the computer. Do not pull the cables forcibly.
Preventing your computer from unauthorized use via wireless LAN/Bluetooth/Wireless WAN
<Only for model with wireless LAN/Bluetooth/Wireless WAN>
Before using wireless LAN/Bluetooth/Wireless WAN, make the appropriate security settings such as data encryp- tion.
Battery Recalibration
The battery recalibration may take a long time due to the large battery capacity. This is not a malfunction. <When performing “Battery Recalibration” after shutting down Windows>
Full charge: Approximately 3.5 hours
Complete discharge: Approximately 4.0 hours
When performing “Battery Recalibration” without shutting down Windows, it may take more time to charge / dis- charge.
Maintenance
To clean the LCD panel
If drops of water or other stains get on the surface of the LCD panel, wipe them off immediately. Failure to do so may result in staining.
Use the soft cloth included with the computer. (For further information, refer to “Suggestions About Cleaning the LCD Surface” 
Reference Manual “Screen Input Operation”.)
To clean areas other than the LCD panel
Wipe with a soft dry cloth such as gauze. When using detergent, dip a soft cloth in
CAUTION
Do not use benzene, thinner, or rubbing alcohol since it may adversely affect the surface causing discoloration, etc. Do not use
Do not apply water or detergent directly to the computer, since liquid may enter inside of the computer and cause malfunction or damage.
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