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NEC MobilePro 250e Reference Manual page 70

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Touch screen does
1.
Calibrate the touch screen. Tap
not respond
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and $OLJQ 6FUHHQ.
AC Adapter does not
1.
Check that all connections are secure.
work
2.
Check that the AC outlet is working.
Connection to the
1.
Check that all connections and cables
computer does not
are secure and correct for the task being
work
performed.
2.
Check that the USB connection is
enabled in ActiveSync on your computer.
If the USB connection is already enabled,
disable the USB connection, close the
Connection Settings window and then
reopen and re-enable the USB
connection.
3.
Reset your Pocket PC before connecting
the USB cable (see "Soft Reset" later in
this chapter). Always disconnect your
Pocket PC before you restart your
computer.
Connection to the
1.
The USB port of your computer could be
computer is lost after
under the influence of power
being idle for some
management. You can disable the power
time
management for the USB Root Hub
through Windows XP's control panel (see
Windows XP online help).
127(, If the computer goes into hibernation or standby mode, the
ActiveSync connection will be severed. This is regular behaviour.
Unit does not switch
1.
To switch your Pocket PC off, just quickly
off when pressing
press the power button. When the power
the power button
button is pressed longer, only the
backlight is switched off, leaving your
Pocket PC in a low power state.
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,
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Data is lost after the
battery runs
completely out of
power
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Occasionally, you may need to reset your Pocket PC; for example, you
should reset:
Ã
After you restore data from your computer.
Ã
When your Pocket PC stops responding; in other words, it appears to
be "frozen" or "locked up."
A soft reset is similar to restarting your computer. It restarts the operating
system, but you will lose any unsaved data.

Remove the SD/MMC card (if installed).

If possible, save your data.

Unscrew the cap of your stylus. Use the pointed end of the cap to press
and hold in the reset button for several seconds.
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1.
Whenever possible, keep your Pocket
PC connected to the AC adapter and a
power source. This keeps the battery
charged. If the battery runs completely
out of power and the AC adapter is not
connected in time, you lose your data.
2.
To prevent data loss, regularly backup
your data to your computer using
ActiveSync (see ActiveSync online help
on your computer) or to a storage card
using eBackup utility (see eBackup
online help).
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