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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