Hello Please help me as I'm getting crazy trying to configure the Xfree86 server. When Xfree86 starts, I got a black screen and the only thing to do is to press the power off button then start Mandrake 9.1 in failsafe mode to look into the log and modify the WF86Config-4 configuration file. I tried all the possible settings starting from 1280x1024 up to 800x600 I'm using a flat monitor from ImageQuest , modele Q17A ( Analogic) whose characteristics are : ( this is Q17.inf file which works fine with Windows XP ). ;++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ ; Monitor INF file for ImageQuest Q17 ; ; Copyright 1997-2003, ImageQuest Co., Ltd. ; ; This is a INF file for installing monitors for Windows. ;++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ [Version] ClassGuid={4D36E96E-E325-11CE-BFC1-08002BE10318} signature="$CHICAGO$" Class=Monitor Provider=%ImageQuest% DriverVer=10/07/2002,1.1 [ClassInstall32] AddReg=ClassAddReg32 [ClassAddReg32] HKR,,,,%MonitorClassName% HKR,,Icon,,"-1" HKR,,NoInstallClass,,1 [DestinationDirs] DefaultDestDir=11 Q17A.CopyFiles=23 Q17D.CopyFiles=23 Q17B.CopyFiles=23 [SourceDisksNames] 1=%InsDisk%,, [SourceDisksFiles] Q17.icm=1 Q17.icm=1 Q17.icm=1 ;++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ [Manufacturer] %ImageQuest%=ImageQuest [ImageQuest] %Q17A%=Q17A.Install, Monitor\IQT217A %Q17D%=Q17D.Install, Monitor\IQT217D %Q17B%=Q17B.Install, Monitor\IQT217B [Q17A.Install] DelReg=DEL_CURRENT_REG AddReg=Q17A.AddReg, 1280, DPMS CopyFiles=Q17A.CopyFiles [Q17D.Install] DelReg=DEL_CURRENT_REG AddReg=Q17D.AddReg, 1280, DPMS CopyFiles=Q17D.CopyFiles [Q17B.Install] DelReg=DEL_CURRENT_REG AddReg=Q17B.AddReg, 1280, DPMS CopyFiles=Q17B.CopyFiles ;++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ [DEL_CURRENT_REG] HKR,MODES HKR,,MaxResolution HKR,,DPMS HKR,,ICMProfile [1280] HKR,,MaxResolution,,"1280, 1024" [DPMS] HKR,,DPMS,,1 ;++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ [Q17A.AddReg] HKR,"MODES\1280,1024",Mode1,,"31.0-83.0,56.0-75.0,+,+" HKR,,ICMProfile,0,"Q17.icm" [Q17D.AddReg] HKR,"MODES\1280,1024",Mode1,,"31.0-83.0,56.0-75.0,+,+" HKR,,ICMProfile,0,"Q17.icm" [Q17B.AddReg] HKR,"MODES\1280,1024",Mode1,,"31.0-83.0,56.0-75.0,+,+" HKR,,ICMProfile,0,"Q17.icm" [Q17A.CopyFiles] Q17.icm [Q17D.CopyFiles] Q17.icm [Q17B.CopyFiles] Q17.icm ;++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ [ControlFlags] ExcludeFromSelect.NT=Monitor\IQT217A ExcludeFromSelect.NT=Monitor\IQT217D ExcludeFromSelect.NT=Monitor\IQT217B ;++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ [Strings] MonitorClassName="Monitor" InsDisk="ImageQuest Monitor Installation Disk" ImageQuest="ImageQuest Co., Ltd." Q17A="ImageQuest Q17 Analog" Q17D="ImageQuest Q17 Digital" Q17B="ImageQuest Q17" This is from their documentation: ================================== 17"viewable, Diagonal, Pixel pitch 0.264 mm, A-Si TFT 262K colors Number of color Horizontal : 31.0 to 80.0KHz, Vertical : 56 to 75Hz Frequency rate 135 MHz Maximum bandwidth 1280 x 1024@75Hz,Maximum resolution1280 x 1024@60Hz Recommanded resolution In the log file I see there are troubles with the vrefresh and hsync , but I customized the config file according to the documntation Many thanks for your help Jean-Paul Lucas _______________________________________________ XFree86 mailing list XFree86@xxxxxxxxxxx http://XFree86.Org/mailman/listinfo/xfree86