Annotation of loncom/html/adm/loginproblems.html, revision 1.17

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

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