NEC ShieldPRO FC-N21S Ruggedised Notebook Computer
User’s Guide 0318-00002 Ver. 2.0 Dec 2008 – Page 145
9
Message "Checking file system on" appears
on the display screen.
Action
The HDD may be checked for validity on start-up
after an illegal shutdown. If there are no errors,
Windows will start normally. If not, follow the
directions shown on the display screen.
10.1.3.3.
Battery
1
The battery cannot be charged (the battery
charging lamp does not illuminate in orange.)
Action
Check the battery capacity, it may be fully
charged.
Ensure that the AC adapter is connected
to ShieldPRO properly.
If the battery temperature is less than 0ºC
or higher than 60ºC, you cannot charge
the battery. Wait until the temperature
returns to be in the range from 0 to 60ºC.
Confirm that the battery is installed in
ShieldPRO properly.
Check whether the pins on the battery are
dirty.
2
The battery even if fully charged can only
operate ShieldPRO for a short period.
Action
Repeating incomplete recharge and discharge
may cause the lifespan of the battery to decline.
To solve the problem, refresh the battery (see
"5.5.3 Refreshing the Battery" for details).
3
The battery operation time shown by the OS
battery meter does not match the actual
operation time.
Action
The actual operation time may be different from
the estimated operation time depending on how
ShieldPRO is used. If the actual operation time is
a lot shorter, refresh the battery ("5.5.3 Refreshing
the Battery" for details).
10.1.3.4.
Display
1
The screen is very dark.
Action
Adjust the brightness by using
Fn
+
F7
or the
relevant tablet button.
2
The resolution cannot be adjusted to the
desired value.
Action
Confirm that the video driver is installed
properly.
Check the BIOS Setup Menu to confirm
that the video memory is configured
properly.
If an external monitor is used, confirm that
the monitor supports the desired
resolution.