This question has been answered by colin1981. See the first response.
My slightly educated guess is that your paths are wrong when you provide the link to the CSS in your section
Why not copy and paste your head in here, taking out any personal bits?
<head> <title>Dashboard | MODX Revolution</title> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> <link rel="stylesheet" type="text/css" href="/{name_of_folder_in_localhost}/manager/assets/ext3/resources/css/ext-all-notheme-min.css" /> <link rel="stylesheet" type="text/css" href="/{name_of_folder_in_localhost}/manager/templates/default/css/index.css" /> <script src="/{name_of_folder_in_localhost}/manager/assets/ext3/adapter/ext/ext-base.js" type="text/javascript"></script> <script src="/{name_of_folder_in_localhost}/manager/assets/ext3/ext-all.js" type="text/javascript"></script> <script src="/{name_of_folder_in_localhost}/manager/assets/modext/core/modx.js" type="text/javascript"></script> <script src="/{name_of_folder_in_localhost}/connectors/lang.js.php?ctx=mgr&topic=topmenu,file,resource,welcome,configcheck&action=" type="text/javascript"></script> <script src="/{name_of_folder_in_localhost}/connectors/modx.config.js.php?action=&wctx=mgr" type="text/javascript"></script> <script type="text/javascript" src="/{name_of_folder_in_localhost}/manager/assets/modext/core/modx.localization.js"></script> <script type="text/javascript" src="/{name_of_folder_in_localhost}/manager/assets/modext/util/utilities.js"></script> <script type="text/javascript" src="/{name_of_folder_in_localhost}/manager/assets/modext/util/datetime.js"></script> <script type="text/javascript" src="/{name_of_folder_in_localhost}/manager/assets/modext/util/uploaddialog.js"></script> <script type="text/javascript" src="/{name_of_folder_in_localhost}/manager/assets/modext/util/fileupload.js"></script> <script type="text/javascript" src="/{name_of_folder_in_localhost}/manager/assets/modext/util/superboxselect.js"></script> <script type="text/javascript" src="/{name_of_folder_in_localhost}/manager/assets/modext/core/modx.component.js"></script> <script type="text/javascript" src="/{name_of_folder_in_localhost}/manager/assets/modext/widgets/core/modx.button.js"></script> <script type="text/javascript" src="/{name_of_folder_in_localhost}/manager/assets/modext/widgets/core/modx.searchbar.js"></script> <script type="text/javascript" src="/{name_of_folder_in_localhost}/manager/assets/modext/widgets/core/modx.panel.js"></script> <script type="text/javascript" src="/{name_of_folder_in_localhost}/manager/assets/modext/widgets/core/modx.tabs.js"></script> <script type="text/javascript" src="/{name_of_folder_in_localhost}/manager/assets/modext/widgets/core/modx.window.js"></script> <script type="text/javascript" src="/{name_of_folder_in_localhost}/manager/assets/modext/widgets/core/modx.combo.js"></script> <script type="text/javascript" src="/{name_of_folder_in_localhost}/manager/assets/modext/widgets/core/modx.grid.js"></script> <script type="text/javascript" src="/{name_of_folder_in_localhost}/manager/assets/modext/widgets/core/modx.console.js"></script> <script type="text/javascript" src="/{name_of_folder_in_localhost}/manager/assets/modext/widgets/core/modx.portal.js"></script> <script type="text/javascript" src="/{name_of_folder_in_localhost}/manager/assets/modext/widgets/windows.js"></script> <script type="text/javascript" src="/{name_of_folder_in_localhost}/manager/assets/fileapi/FileAPI.js"></script> <script type="text/javascript" src="/{name_of_folder_in_localhost}/manager/assets/modext/util/multiuploaddialog.js"></script> <script type="text/javascript" src="/{name_of_folder_in_localhost}/manager/assets/modext/widgets/core/tree/modx.tree.js"></script> <script type="text/javascript" src="/{name_of_folder_in_localhost}/manager/assets/modext/widgets/core/tree/modx.tree.treeloader.js"></script> <script type="text/javascript" src="/{name_of_folder_in_localhost}/manager/assets/modext/widgets/modx.treedrop.js"></script> <script type="text/javascript" src="/{name_of_folder_in_localhost}/manager/assets/modext/widgets/core/modx.tree.asynctreenode.js"></script> <script type="text/javascript" src="/{name_of_folder_in_localhost}/manager/assets/modext/widgets/resource/modx.tree.resource.js"></script> <script type="text/javascript" src="/{name_of_folder_in_localhost}/manager/assets/modext/widgets/element/modx.tree.element.js"></script> <script type="text/javascript" src="/{name_of_folder_in_localhost}/manager/assets/modext/widgets/system/modx.tree.directory.js"></script> <script type="text/javascript" src="/{name_of_folder_in_localhost}/manager/assets/modext/widgets/system/modx.panel.filetree.js"></script> <script type="text/javascript" src="/{name_of_folder_in_localhost}/manager/assets/modext/core/modx.view.js"></script> <script type="text/javascript" src="/{name_of_folder_in_localhost}/manager/assets/modext/core/modx.layout.js"></script> <script type="text/javascript" src="/{name_of_folder_in_localhost}/manager/templates/default/js/layout.js"></script> <script type="text/javascript">Ext.onReady(function() { MODx.defaultState = {"modx-resource-tree":["\/root\/web_0"],"undefined-sort-default":"menuindex","undefined-sort":"menuindex"}; MODx.load({xtype: "modx-layout",accordionPanels: MODx.accordionPanels || [],auth: "modx54e61636266705.16481362_15b2cba472770c3.05202457"}); });</script> <script src="/{name_of_folder_in_localhost}/manager/assets/modext/widgets/security/modx.grid.user.recent.resource.js" type="text/javascript"></script> <script src="/{name_of_folder_in_localhost}/manager/assets/modext/widgets/modx.panel.welcome.js" type="text/javascript"></script> <script src="/{name_of_folder_in_localhost}/manager/assets/modext/sections/welcome.js" type="text/javascript"></script> <script type="text/javascript">MODx.helpUrl = ""</script> <script type="text/javascript">Ext.onReady(function() { MODx.load({ xtype: "modx-grid-user-recent-resource" ,user: "1" ,renderTo: "modx-grid-user-recent-resource" }); });</script> <script type="text/javascript"> Ext.onReady(function() { MODx.load({ xtype: "modx-page-welcome" ,dashboard: {"id":1,"name":"Default","description":"","hide_trees":false} }); }); </script> <script type="text/javascript"> Ext.onReady(function() { new MODx.SearchBar; }); </script> </head>
Turn on Dev. tools (Ctrl-shift-i) in Firefox or Chrome and watch the Network tab while loading the page. It will show you where it's looking for any missing files.