Troubleshooting Tools 83NO B O O T D E V I C E A V A I L A B L E — No bootable partition on HDD or Not a bootablefloppy in floppy driver, or HDD/Floppy cable loose, or No bootable device exists.• If the floppy drive is your boot device, ensure that a bootable floppy disk is in thedrive.• If the hard drive is your boot device, ensure that the cables are connected andthat the drive is installed properly and partitioned as a boot device.• Enter system setup and ensure that the boot sequence information is correct(see "Entering System Setup" on page 172).NO T I M E R T I C K I N T E R R U P T — A chip on the system board might bemalfunctioning or motherboard failure (see "Getting Help" on page 183 forassistance).NO N -S YS T E M D I S K O R D I S K E R R O R — Replace the floppy disk with one thathas a bootable operating system or remove the floppy disk from drive A and restartthe computer.NO T A B O O T D I S K E T T E — Insert a bootable floppy disk and restart yourcomputer.USB O V E R C U R R E N T E R R O R — Disconnect the USB device. Use external powersource for the USB device.N OTIC E - HA R D DR I V E SELF MONITORING SYSTEM H A S R E P O R T E D T H A T AP A R A M E T E R H A S E X C E E D E D I T S N O R M A L O P E R A T I N G R A N G E . DE L LR E C O M M E N D S T H A T Y O U B A C K U P Y O U R D A T A R E G U L A R L Y. A P A R A M E T E R O U TO F R A N G E M A Y O R M A Y N O T I N D I C A T E A P O T E N T I A L H A R D D R I V E P R O B L E M . —S.M.A.R.T error, possible HDD failure. This feature can be enabled or disabled inBIOS setup.