Checking the Diskette Drive Subsystem
To verify that the diskette drive subsystem is operating properly, follow these steps:
1.Enter the system setup program, and verify that the system is configured correctly in the Floppy Options submenu.
See Chapter 4, “Using the System Setup Program,” in the system User’s Guide for instructions.
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.
Troubleshooting the Diskette Drive Sub- system
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” 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. Continue 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. Continue 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” earlier in this section.
No. Continue to step 10.
10.Repeat steps 1 and 2, and reinstall one of the expansion cards you removed in step 7.
See “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.
Checking Inside the Computer |