Gateway C-140S, Reference Manual, Page: 128 / 172

CHAPTER 9 : Troubleshooting
120
The display is blank
•
Adjust the brightness using the system keys or Windows
Mobility Center. For more information about adjusting
the brightness, see
“Adjusting brightness” on page 44 .
•
Make sure the convertible notebook is not in Sleep or
Hibernate mode. Press the power button.
•
The convertible notebook may be sending its display to
an external monitor or projector. Press
F
N
+ F4 several
times to toggle through the LCD panel, an external
monitor or projector, or both.
DVD drives
Your convertible notebook does not recognize a disc
•
The disc may not be seated correctly in the tray. When
you place a disc on the tray, make sure that you press
the disc firmly onto the spindle so the retainers hold the
disc in place.
•
Make sure that the disc label is facing up, then try again.
•
If you are trying to play a DVD, make sure that you have
a DVD drive. For more information, see
“Identifying
drive types” on page 54 .
•
The modular drive may not be inserted completely into
the modular bay. Press the module into the bay, then
try to access the disc again.
•
Try a different disc. Occasionally discs are flawed and
cannot be read by the drive.
•
Some music CDs have copy protection software. You
may not be able to play these CDs on your convertible
notebook.
•
Your convertible notebook may be experiencing some
temporary memory problems. Shut down and restart
your convertible notebook.
•
Clean the disc. For more information, see “Cleaning CDs
or DVDs” on page 91 .