21OperationSaving Data on the Hard DiskHard Disk LockWhen the Hard Disk Lock is set to [Enable], it is impossible to read/write data from/to the hard disk when the harddisk is installed in a different computer, since a password is also set for the hard disk. When the hard disk isreturned to the original computer, you can read/write data as before. In this case, however, make the settings in theSetup Utility exactly the same as they were before the hard disk was removed. (Note that this Hard Disk Lockdoes not guarantee the complete protection of data. “Security Measures”)Do not expose your computer to shock.Use care when handling your computer, shock may damage your hard disk or make your software applica-tions and data unusable.Do not power off your computer while software applications are running or hard disk 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 should you inadvert-ently change or erase data.Use the security function for all important data. ( “Security Measures”)Users are advised to purchase the latest versions of virus protection software and use them regularly.We recommend you run the software:• After booting your computer.• After receiving data.We recommend that you check data received on disks or from external sources, such as data downloaded fromthe Internet, e-mail, etc. (For compressed files, uncompress them before running a check).Computer VirusesWhen Using Peripheral DevicesPay strict attention to the following points to avoid damage to the computer, peripheral devices, cables, etc.Also, in addition to following this manual and the Reference Manual, carefully read the instruction manuals forthe peripheral devices being used.Use only peripheral devices that conform to the computer’s specifications.Connect the devices properly, paying close attention to the condition and position of the connectors.If a connection cannot be made easily, do not apply undue force; check once more to confirm the conditionand position of the connector (alignment of pins, etc.) .If the connector has holding screws, fasten the screws firmly.Do not carry the computer with cables attached, and do not pull on the cables forcefully.Wireless LANTo prevent theft of data or unauthorized access to the hard disk via a wireless LANIf you plan to use wireless LAN functions, we recommend that you do so only after making the appropriatesecurity settings, such as for data encryption.