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9. TROUBLESHOOTING
4. The system stops when the Windows® logo is displayed.
<Possible cause>
There is an error in hardware, or the OS is corrupted.
<Action>
1. Unplug the power cable from the outlet, or if the equipment is connected to user prepared
DC power supply, remove the USB devices except a keyboard and a mouse after disconnect
the DC power supply. Then start the equipment again.
2. If the symptom persists after step 1, the OS may be corrupted. If you have a recovery DVD,
restore the system drive back to the factory-shipped condition using the recovery DVD.
< NOTE >
・Do not connect a USB device during the OS startup because the OS may not start
normally.
・When you change screens during the OS startup, the OS does not start normally
in some CPU switching devices. If you use a CPU switching device, perform
sufficient operation verification.
5. The system stops when a blue screen is displayed.
<Possible cause>
The equipment has received an active remote shutdown signal.
<Action>
1. Take appropriate action according to "9.3 STOP Error Codes".
(2) Beep sounds are generated.
a) The beep sounds "Pipipi-pipi-pi".
<Possible cause>
This is just a sound for power-on. This is not an error.
b) Other sounds sound.
<Possible cause>
A hardware error was detected.
<Action>
1. Contact the system administrator or maintenance personnel.
9-4
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