Troubleshooting; Power-On Indicator Remains Unlit After You Have Switched On Your Device; The Device Cannot Be Switched Off With The On/Off Switch - Fujitsu Siemens Computers CELSIUS M Operating Manual

Troubleshooting and tips

Troubleshooting

Power-on indicator remains unlit after you have switched on
your device
Cause
The mains voltage supply is faulty.
Internal power supply overloaded.

The device cannot be switched off with the ON/OFF switch

Cause
The device has not been switched on
with the ON/OFF switch.
System crash
26
Troubleshooting
► Check whether the power cable is plugged properly
into the device and a grounded mains outlet.
► Switch the device on.
► Pull the power plug of the device out of the mains
outlet.
► Wait for a moment.
► Plug the power plug into a properly grounded mains
outlet again.
► Switch the device on.
Troubleshooting
► Press the ON/OFF switch again.
► Press the ON/OFF switch for at least 4 seconds,
until the device switches off.
The operating system is not shut-down properly in the
process. Error messages are therefore possible the next
time the system is booted.
A26361-K990-Z120-1-7619, Edition 6