HP Jornada 540 Series User Manual page 101

Problem
HP Jornada automatically
shuts down/suspends.
HP Jornada locks up when
running applications, or it
runs slowly.
HP Jornada does not turn
on or display appears to be
off, even though power is
on.
Diagnosis /Remedy
Power is too low to run the Pocket PC .
When a critically low power condition is
encountered, the HP Jornada initiates a
safety shutdown. Connect to AC power and
charge the battery.
–or–
Auto-suspend activated. To conserve
power, the HP Jornada auto-suspends if it is
idle for 1 minute immediately after power is
turned on. It also auto-suspends if it is
continuously idle for 3 minutes.
–or–
HP Jornada is locked up . Connect to
external power, and reset your HP Jornada.
(See the Resetting your HP Jornada
section in this chapter.) (Caution: You may
lose any unsaved data when resetting.)
HP Jornada is locked up . Connect to AC
power, and reset. (See the Resetting your
HP Jornada section in this chapter.) Note:
Check to ensure that the device is not
running low on power, and avoid running
several applications at the same time. Use
HP task switcher to close applications that
are not in use.
The display contrast and brightness are too
low. Use HP settings to adjust contrast and
brightness for optimal viewing. (Refer to the
Adjusting settings section in chapter 5).
Use HP settings to choose Outdoor in very
bright light and Low Power in very dark
conditions. (Refer to the Adjusting settings
section in chapter 5).
–or–
The device has been reset. After a reset, the
screen remains blank for approximately 3
seconds after pressing the On/Off button.
Chapter 9 | Troubleshooting | 97