{"id":2285,"date":"2022-08-30T15:23:35","date_gmt":"2022-08-30T15:23:35","guid":{"rendered":"https:\/\/unknownerror.org\/index.php\/2014\/01\/05\/problem-about-dualhead-collection-of-common-programming-errors\/"},"modified":"2022-08-30T15:23:35","modified_gmt":"2022-08-30T15:23:35","slug":"problem-about-dualhead-collection-of-common-programming-errors","status":"publish","type":"post","link":"https:\/\/unknownerror.org\/index.php\/2022\/08\/30\/problem-about-dualhead-collection-of-common-programming-errors\/","title":{"rendered":"problem about dualhead-Collection of common programming errors"},"content":{"rendered":"<ul>\n<li>\n<img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/05e7d7be8b2862f82546303d0526ae0e?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nmiceterminator<br \/>\n12.04 multiple-monitors ati dualhead<br \/>\nWhen I have two monitors attached to my x1800xt during bootup, X, Unity or the graphics driver crashes during the last stage (loading UI when the monitor setup changes from mirror to extended, tty is still working, killing X does not solve the problem, after some tries both monitor just go to sleep).However, when I plug in the second monitor after bootup, it works fine. (standard ubuntu 12.04 kernel). After updating to the newest linux 3.4rc2 Kernel this problem is still present, however suspend<\/li>\n<li>\n<img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/5abbd1bbb2cdaa529f67eed91ef34d88?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nectabyte<br \/>\nxorg multiple-monitors gnome fglrx dualhead<br \/>\nI&#8217;ve installed the ati catalyst drivers 11.9 manually because the default ones don&#8217;t work with gnome-shell. But when that I try to change the settings in amdcccle(adminstrative) to use multi-display, the application closes and doesn&#8217;t change anything or asks me to confirm and still doesn&#8217;t save at all.This is my xorg.conf http:\/\/pastebin.com\/P5XmNKfM How can I fix this?<\/li>\n<li>\n<img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/b2a1c33c0520accd47ac4c8730392e7a?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nRamon Suarez<br \/>\n12.04 nvidia multiple-monitors hdmi dualhead<br \/>\nI have an HP Pavilion DM3-1120eb laptop with an Nvidia Geforce G105M graphic card, running a fresh Ubuntu 12.04 Precise Pangolin install. When connecting to a new Samsung S23B550 23 inch LCD monitor the HDMI will not work and the VGA connection will not allow for 1920*1080 resolution. The result is a small resolution (1024*768) that does not look good (fuzzy) and I cannot watch YouTube videos (the video box keeps on moving to the right and back) and the same flickering effect happens with dropin<\/li>\n<li>\n<img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/c1244cdfc8a5006040f8f0873256165c?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nLiveWireBT<br \/>\nnvidia multiple-monitors proprietary twinview dualhead<br \/>\nI have 2 beautiful 27&#8243; ASUS monitors. I started trying out Ubuntu 12.04 and now only one works and thats VGA.Any help here cause I&#8217;m stumped. I have a BFG Tech Nivida Geforce 8800 GT 512MB and I&#8217;m trying to fix this.I get this error when I try to configure the xorg file:Failed to set MetaMode (1) &#8216;DFP-0: 1280&#215;1024 @1280&#215;1024 +0+0, DFP-1: 1280&#215;1024 @1280&#215;1024 +1280+0&#8217; (Mode 2560&#215;1024, id: 50) on X screen 0.This is the xorg.conf:# nvidia-settings: X configuration file generated by nvidia-settings<\/li>\n<\/ul>\n<p id=\"rop\"><small>Originally posted 2014-01-05 09:49:52. <\/small><\/p>","protected":false},"excerpt":{"rendered":"<p>miceterminator 12.04 multiple-monitors ati dualhead When I have two monitors attached to my x1800xt during bootup, X, Unity or the graphics driver crashes during the last stage (loading UI when the monitor setup changes from mirror to extended, tty is still working, killing X does not solve the problem, after some tries both monitor just [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2285","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts\/2285","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/comments?post=2285"}],"version-history":[{"count":0,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts\/2285\/revisions"}],"wp:attachment":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/media?parent=2285"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/categories?post=2285"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/tags?post=2285"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}