D I S K E T T E S U B S YS T E M R E S E T F A I L U R E Possible floppy disk controller failure.

D I S K E T T E R E A D F A I L U R E The floppy disk may be defective or a cable may be loose. Replace the floppy disk/check for a loose cable connection.

H A R D - D I S K R E A D F A I L U R E Possible hard-disk failure during hard-disk boot test (see "Contacting Dell" on page 141 for assistance).

H A R D - D I S K D R I V E F A I L U R E Possible hard-disk failure during Power-on Self test (POST). Replace the hard-disk (see "Contacting Dell" on page 141 for assistance).

K E Y B O A R D F A I L U R E Keyboard failure or keyboard cable loose (see "Keyboard Problems" on page 105).

N O B O O T D E V I C E A V A I L A B L E The system cannot detect a bootable device or partition.

If the floppy drive is your boot device, ensure that the cables are connected and that a bootable floppy disk is in the drive.

If the hard drive is your boot device, ensure that the cables are connected and that 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 77).

N O 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 be malfunctioning or motherboard failure (see "Contacting Dell" on page 141 for assistance).

N O 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 that has a bootable operating system or remove the floppy disk from drive A and restart the computer.

N O T A B O O T D I S K E T T E Insert a bootable floppy disk and restart your computer. USB O V E R C U R R E N T E R R O R Replace the USB device.

NOTICE - H A R D D R I V E S E L F M O N I T O R I N G S YS T E M H A S R E P O R T E D T H A T A P 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 . D E L L

R 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 T O 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 indicating a possible HDD failure. This feature can be enabled or disabled in the BIOS setup.

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Dell PP521, DCDR01 owner manual Troubleshooting Tools