Lenovo Y550 manual Troubleshooting The screen is unreadable or distorted

Y550 UG V1.0_en.book Page 46 Wednesday, December 10, 2008 4:51 PM

Chapter 4. Troubleshooting

The screen is unreadable or distorted.

Make sure that:

ƒThe display device driver is installed correctly.

ƒThe screen resolution and color quality are correctly set.

ƒThe 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 of video, DVD or game applications.

Do either of the following:

ƒIf you are using 32-bit color mode, change the color depth to 16-bit mode.

ƒIf you are using a desktop resolution over the optimum, reduce the desktop size and the color depth.

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