Horizontal Strip Running Across the Screen

• Microsoft Windows 95

SYMPTOMS

When you are using a computer with a Western Digital 90C24A controller, you may see a horizontal strip running across the screen if you open a full- screen MS-DOS session and then press CTRL+ESC to switch back to the Windows 95 graphic user interface (GUI). When this occurs, moving the mouse may move the strip on the screen. The strip may contain garbled characters.

CAUSE

This problem may occur because of a timing issue related to the Western Digital 90C24A controller.

RESOLUTION

To correct this problem, use either of the following methods:

Method 1

1. Click the Start button, point to Settings, then click Control Panel.



2. Double-click the System icon.



3. On the Performance tab, click Graphics.



4. Move the Hardware Acceleration slider one notch to the left.



5. Click OK.

Method 2

1. Click the Start button, then click Run.



2. In the Open box, type system.ini and then click OK.



3. Add the following line to the [Display] section of the file:

   SWCursor=1




4. On the File menu, click Save.



5. On the File menu, click Exit.



6. Restart your computer.

MORE INFORMATION

This problem has been observed on the following computers:

• IBM ThinkPad with Western Digital chip sets (755xxx, 750, 360)



• Toshiba T4800, T4850, T4700

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