Dell Latitude LM Service Manual page 29

2-4 Dell Latitude LM Systems Service Manual
3. Watch the indicators at the top of the keyboard. Depending on how
your computer is configured, after various indicators flash momen-
tarily in the status display panel, some indicators should light up and
remain on.
Do these indicators light up within seconds after the boot routine starts?
Yes. Proceed to step 4.
No. Troubleshoot the power subsystem.
4. While the boot routine is running, observe the computer for any of the
following:
•
Diskette-drive and hard-disk drive access indicator activity
These indicators light in response to data being transferred to or from the drives. If
either of these indicators fails to light during the boot routine, troubleshoot the
diskette drive or hard-disk drive subsystem, as appropriate.
•
System error messages
These messages can indicate problems or provide status information. If a system
error message is displayed, refer to Table 3-2.
•
Beep codes
A beep code is a series of beeps that indicates an error condition. If the computer
emits a beep code, refer to Table 3-1.
NOTE: The computer beeps once shortly after the system boots. This beep
is normal and not part of a beep code.
•
Any unusual sounds
5. Observe the display for the Diagnostics Menu of the Dell diagnostics.
Does the Diagnostics Menu appear on the display?
Yes. See "Running the Dell Diagnostics" in Chapter 3.
No. Proceed to step 6.
6. Insert another copy of the diagnostics diskette into the diskette drive,
and reboot the computer.
Does the Diagnostics Menu appear on the display?
Yes. See "Running the Dell Diagnostics" in Chapter 3.
No. Proceed to the next section, "Eliminating Resource Conflicts."