2-4 Dell Inspiron 3000 Series Service ManualDo these indicators light up within seconds after the boot routine starts?Yes. Go to step 4.No. Troubleshoot the power subsystem.4. While the boot routine is running, observe the computer for any of thefollowing:• Diskette-drive and hard-disk drive access indicator activityThese indicators light in response to data being transferred to or from thedrives. If either of these indicators fails to light during the boot routine,troubleshoot the diskette drive or hard-disk drive subsystem, asappropriate.• System error messagesThese messages can indicate problems or provide status information. If asystem error message is displayed, refer to Table 3-2.• Beep codesA beep code is a series of beeps that indicates an error condition. If thecomputer emits a beep code, refer to Table 3-1.NOTE: The computer beeps once shortly after the system boots. This beepis normal and not part of a beep code.• Any unusual sounds5. 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. Go to step 6.6. Insert another copy of the diagnostics diskette into the diskette drive, andreboot the computer.Does the Diagnostics Menu appear on the display?Yes. See “Running the Dell Diagnostics” in Chapter 3.No. Go to the next section, “Eliminating Resource Conflicts.”E liminating Resource ConflictsDevices within or connected to the computer may require dedicated memoryspaces, interrupt levels, and/or DMA channels. Because different devices can beconfigured at different times, it is possible that the same resource is assigned totwo or more devices.Disconnect all peripherals and remove all PC Cards to make sure that the com-puter failure is not caused by faulty devices.