NEC POWERMATE P Manual page 78

FAQ: Start-up
1. My computer does not start
Possible cause
You have not turned on your system
correctly.
No power is supplied to your computer
devices.
If you are using a computer:
Unplug the computer's power cord from the wall socket and depress the power button for at
least ten seconds. Then release it, connect the power cord again and press the power button
to turn on your computer. Before you connect or disconnect the power cord at the back of the
computer, please ensure that the power plug is disconnected from the wall outlet.
2. Upon startup, my computer displays unusual commands.
My computer says "Non system disk" or "Invalid system disk".
Possible cause
The system files on your hard disk drive
are damaged and your computer can no
longer read them to startup.
3. Upon startup, my computer emits a continuous beeping sound.
Possible cause
There is a keyboard or mouse detection
failure.
There is a key stuck on the keyboard or a
button on the mouse is stuck.
Possible solutions
Make sure that you have switched on your
computer.
i. Check the power cord connections between
your computer and the power outlets.
ii. Check the power cords.
Possible solutions
This may be caused by a virus: run a virus scan
after successful restoration of your computer.
Possible solutions
Check your keyboard and mouse connection.
i. Follow the steps to switch your computer OFF.
ii. Press all the keys of your keyboard to ensure
that no key is stuck.
iii. Tap the mouse buttons to ensure that none of
them are stuck.
iv. Switch your computer ON again.
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