Microsoft KB Archive/159073

= Screen Corruption on Dell Laptops Using Cirrus Video =

Article ID: 159073

Article Last Modified on 11/1/2006

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APPLIES TO


 * Microsoft Windows NT Workstation 4.0 Developer Edition
 * Microsoft Windows NT Server 4.0 Standard Edition

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This article was previously published under Q159073



SYMPTOMS
On Dell portable computer systems that use the Cirrus video chipset, screen corruption can occur. Two horizontal bands appear on the LCD display. This corruption does not occur if viewed on a secondary monitor.



WORKAROUND
Two files, Cirrus.sys and Cirrus.dll, contained in Windows NT 4.0 Service Pack 2 and later correct the screen corruption problem.



STATUS
Microsoft has confirmed this to be a problem in Windows NT version 4.00. This problem has been corrected in the latest U.S. Service Pack for Windows NT version 4.00. For information on obtaining the Service Pack, query on the following word in the Microsoft Knowledge Base (without the spaces):

S E R V P A C K

Additional query words: fuzzy portable prodnt laptop dell latitude XP

Keywords: kbdisplay kbhardware kbsetup KB159073

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