26 OperationTouch Padpage 20MaintenanceAreas excluding the displayWipe these areas with a soft cloth, after applying water or detergent diluted with water to thesoft cloth and firmly wringing out excess water.DisplayUse the Soft Cloth included with the computer. (For more information, refer to “SuggestionsAbout Cleaning the LCD Surface” that comes with the Soft Cloth.)If the Protective Film becomes dirty or damaged, it may be time to replace your ProtectiveFilm. The Protective Film is a disposable item. To find out the model number of your Protec-tive Film, contact Panasonic Technical Support. (For more information, refer to the “Operat-ing Instructions” that come with the Protective Film.)Do not use benzene, thinner, or rubbing alcohol. Doing so may adversely affect thesurface, e.g., discoloration. In addition, do not use commercially-available householdcleaners and cosmetics, as they may contain components harmful to the surface.Do not directly add or spray water or detergent. If liquid enters the inside of the com-puter, it may cause it to work improperly or be damaged.CAUTIONDo not touch the screen before you re-attach a Protective Film, as you may leave a markor a scratch on the screen.CAUTIONSaving Data on the Hard DiskDo not expose your computer to shock.Use care when handling your computer, shock may damage your hard disk or make yoursoftware applications and data unusable.Do not power down your computer while software applications are running or harddisk drive indicator ( ) is on.Properly shut Windows down to avoid problems.Save all valuable data to disks.Backing up data to disks will limit damage should trouble occur to your computer or shouldyou inadvertently change or erase data.Use the security function for all important data. ( “Security Measures”)Hard Disk LockWhen the Hard Disk Lock is set to [Enable], it is impossible to read/write data from/to thehard disk when the hard disk is installed in a different computer, since a password is also setfor the hard disk. When the hard disk is returned to the original computer, you can read/writedata as before. In this case, however, make the settings in the Setup Utility exactly the sameas they were before the hard disk was removed. (Note that this Hard Disk Lock does notguarantee the complete protection of data.) ( “Security Measures”)Users are advised to purchase the latest versions of virus protection software and usethem regularly.We recommend you run the software:• When booting your computer.• After receiving data.We recommend that you check data received on disks or from external sources, such as datadownloaded from the Internet, e-mail, etc. (For compressed files, uncompress them beforerunning a check).Computer VirusesUseful Information