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Fujitsu LifeBook U772 - Page 68

Fujitsu LifeBook U772
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63
- Troubleshooting
You have connected an external
keyboard or a mouse and it seems
to be locking up the system.
(continued)
Your system has crashed. Try to restart your LIFEBOOK Ultrabook. If that fails, turn off the power using the
power/suspend/resume button, wait at least 10 seconds, and then power on. If
turning off power with the power/suspend/resume button fails, the button has
likely been set to suspend or hibernate.
USB Device Problems
Your LIFEBOOK does not recognize
a USB device, or the device does
not seem to work properly.
The device is not properly
installed.
Remove and re-install the device.
See “Device Ports” on page 50.
The device may have been
installed while an application
was running, so the system is
not aware of its installation.
Close the application and restart your LIFEBOOK.
Your device may not have the
correct software driver active.
See your software documentation and activate the correct driver.
Power Failures
You turn on the system and noth-
ing seems to happen.
The power adapter is faulty. Try a different power adapter.
The battery is completely dis-
charged or there is no power
adapter installed.
Check the Status Indicator Panel to determine the battery condition. See “Status
Indicator Panels” on page 19. Install a power adapter to recharge the battery.
The battery is faulty. Use the Status Indicator panel to verify the presence/condition of the batteries.
See “Status Indicator Panels” on page 19.
If a battery is indicating a short, operate
from another power source. To find out how to get a new battery installed, contact
Fujitsu Support at:
http://solutions.us.fujitsu.com/www/content/support/contact/index.php
.
The power adapter is not
plugged in properly.
Verify that your adapter (AC or auto/airline) is connected correctly.
See “Power
Sources” on page 33.
The battery is low. Check the Status Indicator Panel to determine the condition of the battery.Use a
power adapter until the battery is charged.
Power adapter has no power
from AC outlet, airplane seat
jack, or cigarette lighter.
Move the AC cord to a different outlet, check for a line switch or tripped circuit
breaker for the AC outlet. If you are using an auto/airline adapter in a car make
sure the ignition switch is in the On or Accessories position.
Problem Possible Cause Possible Solutions

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