Dell 4100/200, 4100/180 manual Scsi Hard-Disk Drive Troubleshooting

SCSI Hard-Disk Drive Troubleshooting

Use the following procedure to troubleshoot a hard-disk drive problem.

CAUTION: This troubleshooting procedure can destroy data stored on the hard-disk drive. Before you proceed, make sure you have backed up all the files on the hard-disk drive.

1.If the on-board SCSI host adapter is being used to control the SCSI backplane board, restart the system and press <F2> to enter the System Setup program.

5. Remove the drive carrier from its bay, and check

the cable connections between the drive and the

drive carrier. Reinstall the drive.

Is the problem resolved?

Yes. The drive carrier was not firmly seated in the

connector on the SCSI backplane board, or the cable

in the drive carrier was installed incorrectly. You

have fixed the problem.

No. Go to step 6.

6. Remove the drive carrier and install it in another

drive bay.

Is the problem resolved?

Yes. The SCSI backplane board has a defective

Is the ON-BOARD SCSI

Yes. Go to step 3.

No. Go to step 2.

2.Change the ON-BOARDand reboot the system.

A category set to ENABLED?

SCSI A category to ENABLED,

connector. See Chapter 11, “Getting Help,” for

instructions on obtaining technical assistance.

No. Go to step 7.

7. Remove the computer covers.

Is the problem resolved?

Yes. You have fixed the problem.

No. Go to step 3.

3.Verify that the SCSI device drivers are installed and configured correctly.

See Chapter 3, “Installing and Configuring SCSI Drivers,” in the system User’s Guide to determine which drivers are required and how they should be installed and configured.

Are the required SCSI device drivers installed and configured correctly?

Yes. Go to step 5. No. Go to step 4.

4.Reinstall and/or reconfigure the required SCSI device drivers. Then reboot the system.

Is the problem resolved?

Yes. You have fixed the problem. No. Go to step 5.

CAUTION: See “Protecting Against Electro- static Discharge” in the safety instructions at the front of this guide.

8.Check the SCSI cable connections to the SCSI backplane board and to the SCSI host adapter. Check the DC power cable connection to the SCSI backplane board.

The SCSI cable may be connected to the SCSI host adapter on the system board, or to a SCSI host adapter card in an expansion slot. See Chapter 10, “Installing Drives in the Internal Bays,” for the loca- tion of the cable connectors on the SCSI backplane board and the SCSI host adapter.

Are the cables firmly connected? Yes. Go to step 10.

No. Go to step 9.

Checking Inside the Computer 7-19