Solving Diskette Problems - HP Z400 - Workstation Maintenance And Service Manual

Table 6-2 Power supply problems (continued)
Problem

Solving diskette problems

Table 6-3 Diskette problems
Problem
Diskette drive light stays on.
Drive not found.
ENWW
Cause
Cause
Diskette is damaged.
Diskette is incorrectly inserted.
Files on the diskette are
damaged.
Drive cable is not properly
connected.
Cable is loose.
Removable drive is not seated
properly.
Solution
c. Replace the device causing the failure
d. Continue adding devices one at a time to verify
that all devices are functioning.
2. Verify power supply functionality.
a. Disconnect AC power.
b. Remove the internal power supply cables from
the system board. (You do not need to remove
the power supply from the chassis.)
c. If necessary, disconnect the PCIe power cable
from the graphics card.
d. Plug in AC power.
● If the power supply fan spins and the LED
illuminates (see
on page 148), the power supply is good.
Replace the system board.
●
If the power supply fan does not spin or the
LED does not illuminate (see
power supply on page
power supply.
Solution
1. Right-click Start, select Explore, and then select a
drive.
2. Select File>Properties>Tools.
3. Under Error-checking, select Check Now.
Remove and reinsert diskette.
Verify the program diskettes.
Reconnect the power cable and verify that all four pins
are connected.
Reseat the diskette drive data and power cables.
Reseat the drive.
Troubleshooting scenarios and solutions 149
Testing power supply
Testing
148), replace the