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Problem
The built-in display is blank
when you turn on your Life-
Book notebook.
(continued)
The notebook turned on
with a series of beeps and
the built-in display is blank.
The display goes blank by
itself after you have been
using it.
Your display won't turn on
when the system is turned
on or when it has resumed.
The display does not close.
The display has bright or
dark spots.
Possible Cause
Possible Solutions
Power management tim-
Press a keyboard button or move the mouse to restore operation. If
eouts may be set for
that fails, push the Power/Suspend/Resume button. (The display
short intervals and you
may be shut off by Sleep mode, Auto Suspend or Video Timeout)
didn't notice the display
come on and go off.
POST has detected a
Contact your support representative.
failure which does not
allow display to operate.
The notebook has gone
Press any button on the keyboard, or move the mouse to restore
into Sleep or Hibernate
operation. If that fails, push the Power/Suspend/Resume button.
mode, or Video timeout
Check your power management settings in the Power Options con-
because it hasn't been
trol panel.
used it for a long time.
Power management tim-
Press any button on the keyboard, or move the mouse to restore
eouts may be set for
operation. If that fails, push the Power/Suspend/Resume button.
short intervals and you
(The display may be shut off by Sleep Mode, Auto Suspend or
didn't notice the display
Video Timeout)
come on and go off.
The system may be
Check the status indicator panel to verify that the Security icon is
password-protected.
blinking. If it is blinking, enter your password.
A foreign object is stuck
Remove all foreign objects from the keyboard.
between the display and
keyboard.
If the spots are very tiny
This is normal; do nothing.
and few, this is normal
for a large LCD display.
If the spots are numer-
Display is faulty; contact your support representative.
ous or large enough to
interfere with your oper-
ation needs.
103 - Troubleshooting Your LifeBook
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