thank you for your help! this time I add a section: Section "ServerFlags" Option "Xinerama" "true" EndSection
and still get error... here is part of my XFree86.0.log: (==) ServerLayout "multi" (**) |-->Screen "screen0" (0) (**) | |-->Monitor "monitor0" (**) | |-->Device "video0" (**) |-->Screen "screen1" (1) (**) | |-->Monitor "monitor1" (**) | |-->Device "video1" (**) |-->Input Device "Generic Keyboard" (**) Option "XkbRules" "xfree86" (**) XKB: rules: "xfree86" (**) Option "XkbModel" "pc104" (**) XKB: model: "pc104" (**) Option "XkbLayout" "us" (**) XKB: layout: "us" (==) Keyboard: CustomKeycode disabled (**) |-->Input Device "Configured Mouse" (**) |-->Input Device "Generic Mouse" .................. (II) PCI: PCI scan (all values are in hex) (II) PCI: 00:00:0: chip 8086,3580 card 1014,055c rev 02 class 06,00,00 hdr 80 (II) PCI: 00:00:1: chip 8086,3584 card 1014,055d rev 02 class 08,80,00 hdr 00 (II) PCI: 00:00:3: chip 8086,3585 card 1014,055e rev 02 class 08,80,00 hdr 80 (II) PCI: 00:02:0: chip 8086,3582 card 1014,0557 rev 02 class 03,00,00 hdr 80 (II) PCI: 00:02:1: chip 8086,3582 card 1014,0557 rev 02 class 03,80,00 hdr 80 ................. (II) I810: Driver for Intel Integrated Graphics Chipsets: i810, i810-dc100,i810e, i815, i830M, 845G, 852GM/855GM, 865G (II) Primary Device is: PCI 00:02:0 (--) Chipset 852GM/855GM found (--) Chipset 852GM/855GM found ................ Fatal server error: Requested Entity already in use! I set the two "Monitor" the same becase I hava a extra LCD display (philips 150B5). Is this part wrong? Or may be the 852GM/855G don't supprot dual display, but I found this sentence on "www.intel.com" : Dual Independent Display, View two independent video sources when external monitor or panel is connected to the notebook -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]