Overview of Fault Isolation Process

The fault isolation process (summarized in Figure 5-1) consists of the following steps:

  • Checking the Notebook power system (including battery packs and AC adapter connections) - refer to Paragraph 5.4.
  • Checking Switch settings (ensuring Power is On)
  • Pressing the Shift key to ensure that Notebook is not in Suspend mode
  • Verifying if computer is configured to boot from the A: Drive or C: Drive.
  • Checking LCD brightness adjustment (press Fn-Up Arrow keys to increase brightness)
  • Ensuring that computer is not set for external monitor (press Fn-F12 to select internal screen)
  • Recording and attempting to resolve any displayed error messages or error beeps (refer to Paragraph 5.3.3.1 and Tables 5-1 and 5-2)
  • Rebooting the system (Ctrl-Alt-Del)
  • If the computer is capable of running the Setup program; checking the serial and parallel port configurations, Sound System enable/disable, and other features that may affect system operation.
  • Running PC-Doctor Diagnostics to further isolate problem area (refer to Paragraph 5.5). For indicated hardware failures, cycling power and repeating self test to verify that a hard failure has occurred.
  • Removing and replacing suspect hardware (as described in Section 6 of this manual) and retest the system using the diagnostic tests as described in Paragraph 5.5.

When Power button is pressed, no indication of power is present (dark . LCD, no Status icons lit, no disk drive activity, etc.)

Press Power button; Selftest automatically runs when power turned on.

ATTACH DESKTOP DEVICES DIRECTLY TO NOTEBOOK TO ISOLATE PORT REPLICATOR PROBLEMS

ATTACH DESKTOP DEVICES DIRECTLY TO NOTEBOOK TO ISOLATE PORT REPLICATOR PROBLEMS

NO

RUN SELF TEST

NO

RUN DIAGNOSTICS

YES

SEE PARAGRAPH

W

5.5

Figure 5-1 Notebook Computer Troubleshooting Flow Chart

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