Dell OptiPlex 5080 Tower, Service Manual

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Table 8. Diagnostic error messages(continued)
Error messages Description
NO BOOT DEVICE AVAILABLE The computer cannot find the hard drive. If the hard drive is your
boot device, ensure that the drive is installed, properly seated, and
partitioned as a boot device.
NO BOOT SECTOR ON HARD DRIVE The operating system may be corrupted, Contact Dell .
NO TIMER TICK INTERRUPT A chip on the system board may be malfunctioning. Run the
System Set tests in Dell Diagnostics .
NOT ENOUGH MEMORY OR RESOURCES. EXIT SOME
PROGRAMS AND TRY AGAIN You have too many programs open. Close all windows and open
the program that you want to use.
OPERATING SYSTEM NOT FOUND Reinstall the operating system. If the problem persists, Contact
Dell .
OPTIONAL ROM BAD CHECKSUM The optional ROM has failed. Contact Dell .
SECTOR NOT FOUND The operating system cannot locate a sector on the hard drive.
You may have a defective sector or corrupted File Allocation Table
(FAT) on the hard drive. Run the Windows error-checking utility to
check the file structure on the hard drive. See
Windows Help and
Support for instructions (click Start > Help and Support ). If a
large number of sectors are defective, back up the data (if
possible), and then format the hard drive.
SEEK ERROR The operating system cannot find a specific track on the hard
drive.
SHUTDOWN FAILURE A chip on the system board may be malfunctioning. Run the
System Set tests in Dell Diagnostics . If the message reappears,
Contact Dell .
TIME-OF-DAY CLOCK LOST POWER System configuration settings are corrupted. Connect your
computer to an electrical outlet to charge the battery. If the
problem persists, try to restore the data by entering the System
Setup program, then immediately exit the program. If the message
reappears,
Contact Dell .
TIME-OF-DAY CLOCK STOPPED The reserve battery that supports the system configuration
settings may require recharging. Connect your computer to an
electrical outlet to charge the battery. If the problem persists,
Contact Dell .
TIME-OF-DAY NOT SET-PLEASE RUN THE SYSTEM
SETUP PROGRAM The time or date stored in the system setup program does not
match the system clock. Correct the settings for the
Date and
Time options.
TIMER CHIP COUNTER 2 FAILED A chip on the system board may be malfunctioning. Run the
System Set tests in Dell Diagnostics .
UNEXPECTED INTERRUPT IN PROTECTED MODE The keyboard controller may be malfunctioning, or a memory
module may be loose. Run the
System Memory tests and the
Keyboard Controller test in Dell Diagnostics or Contact Dell .
X:\ IS NOT ACCESSIBLE. THE DEVICE IS NOT READY Insert a disk into the drive and try again.
System error messages
Table 9. System error messages
System message Description
Alert! Previous attempts at booting this
system have failed at checkpoint [nnnn]. For The computer failed to complete the boot routine three
consecutive times for the same error.
Troubleshooting 75