Troubleshooting - Blackberry 7510 Wireless Handheld User Manual

9: Reference

Troubleshooting

Issue
The handheld does
not turn on.
The handheld does
not respond or is
"frozen".
The display is difficult
to read.
The handheld does
not notify you of
events such as
messages, phone
calls, or the alarm.
134
Possible cause
The battery is not
inserted correctly.
The battery is too low.
Various.
The handheld is in a
poorly lit area.
The display font is too
small.
The wireless radio is off.
The notification is not set
to notify you audibly.
The notification volume
is too low.
The alarm is set at the
wrong time.
The calendar event does
not have a reminder set.
Possible solution
Reinsert the battery.
Getting
Refer to the
Started and Quick
Reference Card
.
Charge the battery.
Getting
Refer to the
Started and Quick
Reference Card
.
Reset the handheld: Press
the Alt key + the Right
Shift key + the
Backspace key.
Turn on the backlighting:
Press the Power button.
Increase the size of the
display font.
Refer to page 119.
Click the Turn Wireless
On icon.
Change the notification
to Tone or
Vibrate+Tone.
Refer to page 115.
Increase the notification
volume.
Refer to page 115.
Reset the alarm and, if
you are using 12 hour
format, verify the AM or
PM setting.
Refer to page 101.
Set a reminder.
Refer to page 87.
User Guide