Dell 4100/180 manual Diskette-Drive Subsystem Troubleshooting, Check the diskette drive cabling

2.If the system configuration settings are incorrect, make the necessary corrections in the System Setup program, and then reboot the system.

3.Run the Diskette Drives Test Group in the system diagnostics to see whether the diskette drive sub- system now works correctly.

See Chapter 5, “Running the System Diagnostics,” for more information.

Do the tests complete successfully?

Yes. Continue with the next step in the procedure you were performing.

No. See Chapter 11, “Getting Help,” for instructions on obtaining technical assistance.

Diskette-Drive Subsystem

Troubleshooting

Follow these steps to troubleshoot the diskette drive subsystem:

1.Turn off the system, including any attached peripherals, and disconnect all the AC power cables from their power sources.

2.Remove both computer covers.

See “Removing the Computer Covers” found earlier in this chapter.

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

3.Check the diskette drive cabling.

Is the diskette drive securely connected to the proper diskette drive interface cable connector? Is the dis- kette drive interface cable connector securely connected to the interface connector (labeled “FLOPPY”) on the system board? Is the drive’s DC power cable firmly connected to the drive?

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

4.Reconnect the cable connectors.

5.Replace the computer covers, reconnect the sys- tem to AC power, and turn on the system.

6.Run the Diskette Drives Test Group in the system diagnostics to see whether the diskette drive sub- system now works correctly.

See Chapter 5, “Running the System Diagnostics,” for more information.

Do the tests complete successfully? Yes. You have fixed the problem. No. Go to step 7.

7.Repeat steps 1 and 2, and remove all expansion cards.

See “Expansion Cards” in Chapter 8 for instructions.

8.Replace the computer covers, reconnect the sys- tem to AC power, and turn on the system.

9.Run the Diskette Drives Test Group in the system diagnostics to see whether the diskette drive sub- system now works correctly.

Do the tests complete successfully?

Yes. An expansion card may be conflicting with the diskette drive logic, or you may have a faulty expan- sion card. Go to “Checking the Diskette Drive Subsystem” found earlier in this chapter.

No. Go to step 10.

10.Repeat steps 1 and 2, and reinstall one of the expansion cards you removed in step 7.

See “Removing an Expansion Card” and “Installing an Expansion Card” in Chapter 8 for instructions.

11.Replace the computer covers, reconnect the sys- tem to AC power, and turn on the system.

12.Run the Diskette Drives Test Group in the system diagnostics to see whether the diskette drive sub- system now works correctly.

Do the tests complete successfully? Yes. Go to step 13.

No. Go to step 14.

13.Repeat steps 10 through 12 until all expansion cards have been reinstalled or until one of the expansion cards prevents the system from boot- ing from the Dell Server Assistant CD.

7-16 Dell PowerEdge 4100/180 and 4100/200 Systems Installation and Troubleshooting Guide