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Solving Diskette Problems - HP Xw6400 - Workstation - 4 GB RAM Reference Manual

Hp xw6400 workstation - service and technical reference guide.
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Table 5-4
Power supply problems (continued)
Problem
Workstation powered off
automatically and the Power LED
flashes red 2 times, once every
second, followed by a 2-second
pause.
Power LED flashes red, once every
2 seconds.

Solving diskette problems

Table 5-5
Diskette problems
Problem
Diskette drive light stays on.
Drive not found.
Diskette drive cannot write to a
diskette.
ENWW
Cause
Processor thermal protection
activated.
A fan might be blocked or not
turning.
OR
The CPU heatsink fan
assembly is not properly
attached to the processor.
Power failure (power supply is
overloaded).
Cause
Diskette is damaged.
Diskette is incorrectly inserted.
Files on diskette are damaged.
Drive cable is not properly
connected.
Cable is loose.
Removable drive is not seated
properly.
Diskette is not formatted.
Solution
1.
Be sure that the workstation air vents are not blocked
and the cooling fan is running.
2.
Open the access panel, press the power button, and
determine whether the processor fan spins. If the
processor fan is not spinning, be sure the fan's cable
is plugged into the system board header. Be sure the
fan is properly seated or installed.
3.
Replace the processor fan.
4.
Reseat CPU heatsink and verify that the fan
assembly is properly attached.
1.
Determine whether a device is causing the problem
by removing all attached devices). Power on the
system. If the system enters the POST, then power
off and replace one device at a time and repeat this
procedure until failure occurs. Replace the device
causing the failure. Continue adding devices one at a
time to ensure all devices are functioning properly.
2.
Verify the power supply functionality.
a.
Disconnect AC power.
b.
Remove all internal power supply cables from
the system board.
c.
Plug in AC power.
If the power supply fan spins and the BIST
LED illuminates, then the power supply is
good. Replace the system board.
If the power supply fan does not spin or the
BIST LED does not illuminate, replace the
power supply.
Solution
In Microsoft Windows 2000 and Microsoft Windows XP,
right-click Start, click Explore, and select a drive.
Select File>Properties>Tools. Under Error-checking,
click Check Now.
Remove and reinsert diskette.
Verify the program diskettes.
Reconnect power cable. Be sure that all four pins are
connected.
Reseat diskette drive data and power cables.
Reseat the drive.
Format the diskette.
Troubleshooting scenarios and solutions 109

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