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# Oak VGA Prostar Excelerator May Cause Distortion in Shell

Article ID: 104721

Article Last Modified on 12/5/2003

APPLIES TO

- Microsoft Windows 3.1 Standard Edition
- Microsoft Windows 3.11 Standard Edition
- Microsoft MS-DOS 5.0 Standard Edition
- Microsoft MS-DOS 5.0a
- Microsoft MS-DOS 6.0 Standard Edition

This article was previously published under Q104721

    3.10 3.11 | 5.x 6.00
    WINDOWS   | MS-DOS
    kbhw kbdisplay kbgraphic kb3rdparty

## SYMPTOMS

The video display for the MS-DOS Shell is distorted after you run Windows 3.1.

## CAUSE

This problem can occur when you use an Oak VGA ProStar Excelerator video card with video BIOS version 1.01 and Oak Technologies display drivers for Microsoft Windows 3.1. This problem occurs only if you run an MS-DOS-based application under Windows.

## WORKAROUND

To work around this problem, install the Microsoft VGA driver that ships with Microsoft Windows version 3.1 (VGA.DRV).

## MORE INFORMATION

For more information, contact Oak Technologies Technical Support
The products included here are manufactured by Oak Technologies, a vendor independent of Microsoft; we make no warranty, implied or otherwise, regarding these products' performance or reliability.

Additional query words: 6.00 blue white lines vertical third-party 5.00 5.00a ms-dos

Keywords: KB104721