NEC ShieldPRO N22A, Руководство пользователя

Страница: 130 / 173

130
6.1.3 Troubleshooting Q&A
(1) Troubles including smoking, heat generation, noise and cable disconnection
Symptoms Action

Smoke and/or odors are generated from N22A.

N22A is heated too hot to make hands contact
with it.

Noises are generated from N22A.

A visible trouble appears on N22A or a cable
connected to N22A.
Turn off the power immediately. Unplug the AC cord from the mating
AC outlet, disconnect the AC adapter from N22A and remove the
battery from N22A. Contact your service representative.

If a car adapter is used, turn off the power immediately. Remove the
plug from the cigar lighter receptacle and remove the car adapter
from this product. Contact your service representative.
Noises are generated from the HDD. Noises are generated from the HDD blinking of the file access lamp.
This is caused by certain operations in the HDD and thus does not
indicate occurrence of an error.
If any abnormal noise, other than the above, is heard, unplug the
adapter and battery and contact your dealer.
Nothing appears on the display screen.

When the power lamp is OFF:
−
If pressing the power button lightly is not replied by N22A, press
the button hard.
−
If the AC adapter is connected to N22A, disconnect the adapter
once and connect it again.
−
If the car adapter is used, disconnect it and connect it again.
−
If battery power is used, check the remaining battery level and the
installation of the battery in N22A.
For checking procedures, see
“
Checking Remaining Battery
Level
”
and
“
Installing Battery
”
.

When the power lamp illuminates in green:
−
During operation, the power management feature may work to
clear the screen automatically.
Try to press any key to check if the screen display appears.
−
The brightness of the screen may be too low. Press Fn + F7 to
increase the brightness.
−
Outputting display data to external monitor may be set. Press Fn
+ F3 to alter the display setting.
−
Reboot N22A.

A resolution which the LCD display does not support may be set.
After turning off the power of N22A forcibly, start Windows in the
safe mode to reset the resolution.
N22A is halted after POST(Power On Self Test). If an error code appears on the display screen, write down the code
and reboot N22A.
Message
“
Operating system not found
”
appears.

Confirm that no floppy disk is inserted into the floppy disk drive (if
the floppy disk drive is connected to N22A). If inserted, pull out the
floppy disk and reboot N22A.

If the message appears during booting from the HDD, insert
bootable disk into the external 3.5-in. floppy disk drive or the
external CD-R/RW with DVD-ROM drive to check the HDD status.

Confirm that the HDD is set on the Boot Menu subordinate to the
BIOS Setup Menu.
Message
“
BOOT: Couldn
’
t find NTLDR. Please
insert another disk
”
appears on the display screen.

If an attempt is made to boot N22A from the floppy disk
intentionally, replace the floppy disk with the bootable disk and
press any key to continue booting.

If N22A is booted from the HDD, confirm that a floppy disk is not
inserted in the floppy disk drive (when the floppy disk drive is
connected to N22A). If inserted, remove the floppy disk and reboot
the N22A.