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2-4 Dell Precision 410 Systems Service Manual
Diskette-drive and hard-disk drive access indicators
These indicators light up in response to data being transferred to or
from the drives. If either of these indicators fails to light up during the
boot routine, troubleshoot the diskette drive or hard-disk drive sub-
system, as appropriate.
Beep codes
A beep code is a series of beeps that indicates an error condition. If the
system emits a beep code, see Table 3-1.
System error messages
These messages can indicate problems or provide status information.
If a system error message is displayed, see Table 3-2.
Does the Diagnostics Menu appear?
Ye s .
See “Running the Dell Diagnostics” found later in this chapter.
No.
Proceed to step 6.
Does the Diagnostics Menu appear?
Ye s .
See “Running the Dell Diagnostics” found later in this chapter.
No.
Proceed to the next section, “Internal Visual Inspection.”
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A simple visual inspection of a computer’s interior hardware can often lead to
the source of a problem, such as a loose expansion card, cable connector, or
mounting screw. When you perform the visual inspection, refer to “System
Features” in Chapter 1 to locate components in the inspection procedure.