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File:  [LON-CAPA] / loncom / html / adm / loginproblems.html
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Mon Feb 10 04:31:20 2025 UTC (4 months, 3 weeks ago) by raeburn
Branches: MAIN
CVS tags: version_2_12_X, HEAD
- WCAG 2 compliance.

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