i just HDMI-connected a gateway flat panel display to my f12 laptop, and configured the display to span. in short order, i got the standard f12 desktop background to display on the flat panel and, yes, i can move the cursor off the right-hand side of my laptop and watch it magically appear on the left-hand side of the flat panel. the problem is, the flat panel keeps blanking -- literally every several seconds -- and then comes back. does this output from xrandr look reasonable? # xrandr Screen 0: minimum 320 x 200, current 2560 x 800, maximum 8192 x 8192 VGA-0 disconnected (normal left inverted right x axis y axis) LVDS connected 1280x800+0+0 (normal left inverted right x axis y axis) 0mm x 0mm 1280x800 60.0*+ 1280x720 59.9 1152x768 59.8 1024x768 60.0 59.9 800x600 60.3 59.9 56.2 848x480 59.7 720x480 59.7 640x480 59.9 59.4 HDMI-0 connected 1280x800+1280+0 (normal left inverted right x axis y axis) 442mm x 249mm 1600x900 59.9 + 1280x800 59.8* 1152x864 75.0 1280x720 60.0 1024x768 75.1 70.1 60.0 832x624 74.6 800x600 72.2 75.0 60.3 56.2 640x480 72.8 75.0 66.7 60.0 720x400 70.1 the setup seems correct, except for the persistent blanking. thoughts? rday -- ======================================================================== Robert P. J. Day Waterloo, Ontario, CANADA Linux Consulting, Training and Kernel Pedantry. Web page: http://crashcourse.ca Twitter: http://twitter.com/rpjday ======================================================================== -- fedora-list mailing list fedora-list@xxxxxxxxxx To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list Guidelines: http://fedoraproject.org/wiki/Communicate/MailingListGuidelines