2-4
Dell Dimension V
xxx
and V
xxx
c Systems Service Manual
4. While the boot routine is running, observe the computer for any of the
following:
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, trou-
bleshoot the diskette drive or hard-disk drive subsystem, as
appropriate.
Diagnostic codes: If a malfunction is detected and the computer fails to
boot, the diagnostic code indicators display a code that identifies the
problem. If the computer displays a diagnostic code, refer to Table 3-1.
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 3-2.
System error messages: These messages can indicate problems or
provide status information. If a system error message is displayed,
refer to Table 3-3.
5. Observe the monitor screen for the Diagnostics Menu.
Does the Diagnostics Menu appear?
Yes.
See “Running the Dell Diagnostics” found later in this chapter.
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?
Yes.
See “Running the Dell Diagnostics” found later in this chapter.
No.
Remove the diagnostics diskette from the diskette drive; then 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 system components.
To perform the internal visual inspection, follow these steps:
1.
Turn off the computer, including any attached peripherals, and disconnect
all the AC power cables from their electrical outlets.
Wear a wrist grounding strap, and clip it to an unpainted metal surface,
such as the security cable ring on the back of the chassis. If a wrist
