T-3
T
rou
bleshoo
ting
•
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 the external monitor is selected as the output 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.
Summary of Contents for PC-MC20 Series
Page 17: ...xvi Rear Bottom Battery Pack 3 1 Cooling Fan v Security Hole A 8 USB Ports 4 3 10 14 ...
Page 53: ...3 3 12 ...
Page 97: ...7 10 7 ...
Page 107: ...A 10 Appendixes ...
Page 121: ...Troubleshooting T 14 ...
Page 125: ...Index 2 Index ...
Page 126: ...SHARP CORPORATION PC MC20 Series OPERATION MANUAL 0 09x Page 2 140P ...