DOCUMENT:Q173816 09-AUG-2001 [winnt] TITLE :Desktop Pattern Corruption When Increasing Color Palette PRODUCT :Microsoft Windows NT PROD/VER:WinNT:4.0 OPER/SYS: KEYWORDS:kbdisplay ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Windows NT Workstation version 4.0 - Microsoft Windows NT Server version 4.0 ------------------------------------------------------------------------------- SYMPTOMS ======== When you increase the color palette to more than 256 colors, the desktop pattern may turn black and may not be updated when icons are moved. CAUSE ===== The bitmap is not updated properly when the mode changes. RESOLUTION ========== Perform one of the following to work around this problem: - Perform the following steps to reapply the background pattern: 1. Click the Start button, point to Settings, click Control Panel, and then double-click Display. 2. Click the Background tab, click the appropriate Pattern and Wallpaper, click Apply, and then click OK. -or- - Shut down and restart your computer. STATUS ====== Microsoft has confirmed this to be a problem in Windows NT version 4.0 with Service Pack 3. We are researching this problem and will post new information here in the Microsoft Knowledge Base as it becomes available. Additional query words: 4.00 sp3 video corruption Compaq Deskpro 6000 matrox refresh redraw ====================================================================== Keywords : kbdisplay Technology : kbWinNTsearch kbWinNTWsearch kbWinNTW400 kbWinNTW400search kbWinNT400search kbWinNTSsearch kbWinNTS400search kbWinNTS400 Version : WinNT:4.0 Issue type : kbbug ============================================================================= THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES SO THE FOREGOING LIMITATION MAY NOT APPLY. Copyright Microsoft Corporation 2001.