Fatal server error: no screens found

Jeg er ret newbie.. og har installeret XFree86-4 over port, jeg vil så starte den... men den giver denne fejl:

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XFree86 Version 4.3.0
Release Date: 27 February 2003
X Protocol Version 11, Revision 0, Release 6.6
Build Operating System: FreeBSD 5.0 i386 [ELF]
Build Date: 17 May 2003
        Before reporting problems, check http://www.XFree86.Org/
        to make sure that you have the latest version.
Module Loader present
Markers: (--) probed, (**) from config file, (==) default setting,
        (++) from command line, (!!) notice, (II) informational,
        (WW) warning, (EE) error, (NI) not implemented, (??) unknown.
(==) Log file: "/var/log/XFree86.0.log", Time: Sat May 17 20:23:23 2003
(EE) Unable to locate/open config file
(EE) Error from xf86HandleConfigFile()

Fatal server error:
no screens found

When reporting a problem related to a server crash, please send
the full server output, not just the last messages.
This can be found in the log file "/var/log/XFree86.0.log".
Please report problems to xfree86@xfree86.org.
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