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File:  [LON-CAPA] / loncom / html / adm / loginproblems.html
Revision 1.15: download - view: text, annotated - select for diffs
Fri Sep 20 23:13:05 2019 UTC (4 years, 7 months ago) by raeburn
Branches: MAIN
CVS tags: version_2_12_X, version_2_11_X, version_2_11_4_uiuc, version_2_11_4_msu, version_2_11_4, version_2_11_3_uiuc, version_2_11_3_msu, version_2_11_3, HEAD
- Absolute link instead of relative link for originating URL.

    1: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
    2: <head>
    3: <meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
    4: <title>LON-CAPA Login Problems</title>
    5: <script type="text/javascript">
    6: function openwin() {
    7:    var testwin=window.open('/adm/rat/empty.html','test','menubar=0,width=200,height=100');
    8:    testwin.document.clear();
    9:    testwin.document.writeln('PASSED TEST');
   10:    testwin.document.close();
   11:    testwin.focus();
   12: }
   13: </script>
   14: </head>
   15: <body bgcolor="#FFFFFF">
   16: <h1>Login Problems with LON-CAPA</h1>
   17: <h2>Which browsers can I use with LON-CAPA?</h2>
   18: LON-CAPA is designed to work with the following browsers
   19: <ul>
   20: <li>Mozilla version 1.0 and higher</li>
   21: <li>Mozilla Firefox</li>
   22: <li>Camino</li>
   23: <li>Netscape version 4.7 and higher</li>
   24: <li>Safari version 1.1.1 and higher</li>
   25: <li>Galeon version 1.2 and higher</li>
   26: <li>Google Chrome</li>
   27: <li>Internet Explorer version 5.1 and higher</li>
   28: <li>Opera version 10 and higher</li>
   29: </ul>
   30: on the following operating systems
   31: <ul>
   32: <li>Linux</li>
   33: <li>UNIX</li>
   34: <li>MacOS</li>
   35: <li>Microsoft Windows 98 and higher</li>
   36: </ul>
   37: If you have problems logging in with any browser or any operating system not
   38: listed above, please <b>use another browser or computer.</b>
   39: Please please submit a help request to <a href="/adm/helpdesk?origurl=%2fadm%2floginproblems.html">LON-CAPA support</a> if you have any problems.  
   40: <h2>I would like to use my Pocket Computer or PDA to access LON-CAPA</h2>
   41: While we can make no guarantees that LON-CAPA will work with your particular
   42: Pocket Computer or PDA, it runs fine on Apple iPhones, iPads, and iPods using Safari, as well as on several Android devices.
   43: <h2>I get "Username and/or password could not be authenticated"</h2>
   44: <ul>
   45: <li>
   46: The most common problem here is that the Caps-Lock button is pressed. Usernames
   47: and passwords are case sensitive, so it does matter if something is typed with
   48: lowercase or with uppercase letters.
   49: </li><li>
   50: The second most common problems is that users accidentally go to the wrong 
   51: server. LON-CAPA is running at many universities, colleges, and schools.
   52: Especially if you hit upon this page by looking for "LON-CAPA" in Google or
   53: some other search engine, you might have hit a server at another place. Please
   54: make sure to use the URL provided to you. 
   55: </li></ul>
   56: <h2>I get a list of computers ...</h2>
   57: This means that the server you attempted to login to is currently not 
   58: available. For example, it might be undergoing maintenance. Please click on
   59: any of the other server, giving preference to the ones that say "preferred."
   60: <h2>I get "Information needed to verify your login information is missing, inaccessible or expired"</h2>
   61: LON-CAPA does internal encryption of password information submitted from the 
   62: login screen, but only keeps the decryption information for a day. Simply pull
   63: up the login screen again. 
   64: If that does not solve the problem, please wait for 20 minutes, reload 
   65: the login page, and try again. If after 20 minutes LON-CAPA still gives you 
   66: the same message, please submit a help request to <a href="/adm/helpdesk?origurl=%2fadm%2floginproblems.html">LON-CAPA support</a>. 
   67:  The server administrator will be able to verify your situation and re-enable logins.
   68: <h2>I hit "Log In," but nothing happens, or I get error messages and 
   69: warnings</h2>
   70: <ul>
   71: <li>The most common problem is that your browser is not one of the browsers
   72: listed above.</li>
   73: <li>You might have modified the preferences in your browser. In particular, the
   74: following preferences can be a problem:
   75: <ul>
   76: <li>Scripting languages, in particular JavaScript, is disabled. 
   77: <i>Test: as you <a href="javascript:alert('PASSED TEST');">click here</a>, 
   78: a small window should appear. If no window appears, scripting is disabled.</i>
   79: </li>
   80: <li>The security settings are cranked up to a higher level. In particular, this
   81: might prevent unencrypted submission of passwords (LON-CAPA actually does its
   82: own encryption), or cross-server submission of forms.</li>
   83: </ul></li>
   84: <li>If all else fails, please <b>try from another computer.</b></li>
   85: </ul>
   86: <h2>After logging in, I get the message "Welcome," but then nothing happens
   87: </h2>
   88: <ul>
   89: <li>The most common problem is that your browser is not one of the browsers
   90: listed above.</li>
   91: <li>If you have a supported browser, it might be hung. 
   92: <b>Please completely quit
   93: your browser, and start it again.</b></li>
   94: <li>If all else fails, please <b>try from another computer.</b></li>
   95: </ul>
   96: </body>
   97: </html>
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