Lenovo IdeaPad Y450 User Manual
Page 63
Chapter 4. Troubleshooting
54
The screen is unreadable or distorted.
Make sure that:
The display device driver is installed correctly.
The screen resolution and color quality are correctly set.
The monitor type is correct.
Incorrect characters appear on the screen.
Did you install the operating system or application program correctly? If
they are installed and configured correctly, have the computer serviced.
A message, “Unable to create overlay window,” appears when you
try to start DVD playback.
-or-
You get poor or no playback while running video playback, DVD
playback, or game applications.
Do either of the following:
If you are using 32-bit color mode, change the color depth to 16-bit
mode.
If you are using a display resolution of 1366
×
768 or larger, reduce the
display resolution and the color depth.
Y450 UserGuide V1.0 EN.book Page 54 Tuesday, February 24, 2009 10:53 AM