Troubleshooting Procedures 5-7
Table 5-2 Self Test Error Messages (Continued)
Try the keyboard keys to determine if they appear to be working properly and
reboot the computer.
Note: Also, ensure that no key is pressed during power up and that no keys are
jammed.
If the self test still fails, execute the diagnostics as described in Paragraph 5.4.
No boot device available - press F1 to retry boot
This message indicates the system disk, the disk drive, or the disk is defective
(if loading MS-DOSรข from disk) or that the NVRAM is not correctly configured
for the installed disk drive type. Replace the disk and reboot the computer. If
the self test still fails, run the diagnostics as described in Paragraph 5.4.
No boot sector on system disk - press F1 to retry boot
This message indicates the system disk is not formatted. Try powering down
the system and re-running the self test. Press Ctrl-Alt-Esc to ensure that the
drive type is correctly set in Setup. Also, press F1 to try loading MS-DOS from
the hard disk drive again. If the message persists, the disk must be reformatted
and software reloaded from disks (refer to Section 3).
Non-System Disk or Disk error. Replace and press any key when ready.
This message indicates the disk installed in floppy disk Drive A is not a bootable
disk. Format an MS-DOS bootable disk and install the disk in Drive A, Reboot
the computer. Also try pressing Ctrl-Alt-Esc to ensure the disk drive type is
correctly set in Setup.
Time-of-day clock stopped
This message indicates that the battery sustaining the system configuration
has failed. Reset the configuration.
Note: The following messages are informational messages that do not necessar-
ily indicate a self test failure.
NNN Main Memory, NNN Extended
This message lists the amount of standard memory and optional extended
memory that has tested successfully during self test execution. This message
is only displayed if Quick Boot is off in System Setup.