61Restoring Your Operating SystemSystem Recovery MediaCAUTION: Although the systemrecovery media is designed to preservethe data files on your computer, it isrecommended that you backup yourdata files before using the systemrecovery media.NOTE: Your computer does not have aninternal optical drive. Use an optionalexternal optical drive or any externalstorage device for procedures thatinvolve discs.You can use the system recovery media,created using Dell DataSafe Local Backup, toreturn your hard drive to the operating stateit was in when you purchased the computerwhile preserving the data files on yourcomputer.Use the system recovery media in case of:Operating system failure that prevents the•use of the recovery options installed onyour computer.Hard drive failure that prevents data from•being recovered.To restore the Dell factory-installed softwareof your computer using the system recoverymedia:Insert the system recovery disc or USB key1.and restart the computer.When the DELL2. ™ logo appears, press immediately.NOTE: If you wait too long and theoperating system logo appears, continueto wait until you see the MicrosoftWindows desktop; then, shut down yourcomputer and try again.Select the appropriate boot device from3.the list and press .Follow the instructions on the screen.4.