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•
If you often see the message, the backup battery has no capacity left. Replace the
backup battery with the steps in Replacing Backup Battery of Appendixes.
Question: Why do I get the message Operating system not found?
•
Run the Setup Utility and get default value of the Setup Utility. Be sure to set the
date and time correctly.
Trouble with Display
See also the Display section in Chapter 2 and 4.
Question: Why is the screen blank?
•
Press any key to see if any power management feature has turned off the screen to
save power.
•
See the power indicator to check whether your computer is turned on.
•
If you are using a battery pack, make sure it is correctly installed and has a charge
remaining.
•
Make sure the LCD screen is selected as the display by pressing Fn+F5 ( ).
•
Check whether the display is on by pressing Fn+F11 ( ).
•
If you still have the problem after trying the above, follow the steps in Why doesn't
the keyboard or the glide pad function?
Question: Why does the external monitor display nothing or the image on
it distorted?
•
Confirm the monitor is turned on.
•
Confirm the monitor is connected correctly.
•
Make sure an external monitor is selected as the display by pressing Fn+F5 ( ).
•
If you use Fn+F5 ( ) to change the display, the image may be distorted. Press
Fn+F5 ( ) again to return the previous display and use Display Properties dialog
box to change it again.
•
Make sure the value of Screen resolution in Settings tab of Display Properties is
same as or lower than the resolution of the external monitor.
T-3
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