From Bugzilla Helper: User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.6) Gecko/20040312 Description of problem: I installed FC2 test 3 on a computer with a Dell 2001FP display and an ATI Radeon 9200SE card. The install went fine, but on reboot, I got a blank screen as soon as the boot sequence switched to graphical mode. I've noticed this same behavior in the past with geoforce cards as well (in RH versions since 9). In the past, I've simply gone and found the proprietary driver and things worked. This time as an experiement, once I had a blank screen, I disconnected the DVI-D cable and attached the VGA cable. Viola! I instantly had a working display. It seems that the X driver is attempting to send signals to the VGA port, but not the DVI port. This is odd as the monitor connected via the DVI port was autodetected just fine during installation. (So probing finds the monitor when attached to the DVI port, but X fails to choose the correct port when starting a normal user session.) I suspect that this is the cause of many other "blank screen" bug reports. Users should try switching from the DVI cable to a VGA cable on cards that have both VGA and DVI ports. If there is a workaround, post it here. I'd like to use the DVI cable. Version-Release number of selected component (if applicable): How reproducible: Always Steps to Reproduce: 1. Install on machine with dual VGA/DVI ports and monitor on DVI port 2. Reboot at end of installation session Actual Results: No X display Expected Results: X display Additional info:
Created attachment 99864 [details] X startup log
Created attachment 99865 [details] Boot log
Created attachment 99866 [details] dmesg
Since this bugzilla report was filed, there have been several major updates to the X Window System, which may resolve this issue. Users who have experienced this problem are encouraged to upgrade to the latest version of Fedora Core, which can be obtained from: If this issue turns out to still be reproduceable in the latest version of Fedora Core, please file a bug report in the X.Org bugzilla located at http://bugs.freedesktop.org in the "xorg" component. Once you've filed your bug report to X.Org, if you paste the new bug URL here, Red Hat will continue to track the issue in the centralized X.Org bug tracker, and will review any bug fixes that become available for consideration in future updates.