Annotation of loncom/html/adm/loginproblems.html, revision 1.4
1.1 www 1: <html>
2: <head>
3: <title>LON-CAPA Login Problems</title>
1.3 www 4: <script>
5: function openwin() {
6: var testwin=window.open('/adm/rat/empty.html','test','menubar=0,width=200,height=100');
7: testwin.document.clear();
8: testwin.document.writeln('PASSED TEST');
9: testwin.document.close();
10: testwin.focus();
11: }
12: </script>
1.1 www 13: </head>
14: <body bgcolor="#FFFFFF">
15: <h1>Login Problems with LON-CAPA</h1>
16: <h2>Which browsers can I use with LON-CAPA?</h2>
17: LON-CAPA is designed to work with the following browsers
18: <ul>
19: <li>Mozilla version 1.0 and higher</li>
20: <li>Netscape version 4.7 and higher</li>
1.3 www 21: <li>Safari</li>
1.4 ! www 22: <li>Galeon version 1.2 and higher</li>
! 23: <li>Internet Explorer version 5.1 and higher</li>
1.1 www 24: </ul>
25: on the following operating systems
26: <ul>
27: <li>Linux</li>
28: <li>UNIX</li>
29: <li>MacOS</li>
1.3 www 30: <li>Windows 98, NT, 2000, ME, and XP</li>
1.1 www 31: </ul>
32: If you have problems logging in with any browser or any operating system not
33: listed above, please <b>use another browser or computer.</b>
1.3 www 34: <h2>I have accessibility needs</h2>
35: Please use the
36: <a href="/adm/login?interface=textual">alternative text-based login mode</a>.
37: Please let the system administrator know if you have any problems.
38: <h2>I would like to use my Pocket Computer or PDA to access LON-CAPA</h2>
39: While we can make no guarantees that LON-CAPA will work with your particular
40: Pocket Computer or PDA, you might want to try the
41: <a href="/adm/login?interface=textual">alternative text-based login mode</a>.
1.1 www 42: <h2>I get "Username and/or password could not be authenticated"</h2>
43: <ul>
44: <li>
45: The most common problem here is that the Caps-Lock button is pressed. Usernames
46: and passwords are case sensitive, so it does matter if something is typed with
47: lowercase or with uppercase letters.
48: </li><li>
49: The second most common problems is that users accidentally go to the wrong
50: server. LON-CAPA is running at many universities, colleges, and schools.
51: Especially if you hit upon this page by looking for "LON-CAPA" in Google or
52: some other search engine, you might have hit a server at another place. Please
53: make sure to use the URL provided to you.
54: </li></ul>
1.3 www 55: <h2>I get a list of computers ...</h2>
56: This means that the server you attempted to login to is currently not
57: available. For example, it might be undergoing maintenance. Please click on
58: any of the other server, giving preference to the ones that say "preferred."
1.1 www 59: <h2>I get "Login token missing, inaccessible or expired"</h2>
60: This is a very rare problem. If it occurs, please wait for 20 minutes, reload
61: the login page, and try again. If after 20 minutes LON-CAPA still gives you
62: the same message, please email the Server Administrator listed on the login
63: page. The Server Administrator can verify your situation and re-enable logins.
1.3 www 64: <h2>I hit "Log In," but nothing happens, or I get error messages and
65: warnings</h2>
66: <ul>
67: <li>The most common problem is that your browser is not one of the browsers
68: listed above.</li>
69: <li>You might have modified the preferences in your browser. In particular, the
70: following preferences can be a problem:
71: <ul>
72: <li>Scripting languages, in particular JavaScript, is disabled.
73: <i>Test: as you <a href="javascript:alert('PASSED TEST');">click here</a>,
74: a small window should appear. If no window appears, scripting is disabled.</i>
75: </li>
76: <li>The security settings are cranked up to a higher level. In particular, this
77: might prevent unencrypted submission of passwords (LON-CAPA actually does its
78: own encryption), or cross-server submission of forms.
79: </ul></li>
80: <li>If all else fails, please <b>try from another computer.</b></li>
81: </ul>
1.1 www 82: <h2>After logging in, I get the message "Welcome," but then nothing happens
83: </h2>
84: <ul>
85: <li>The most common problem is that your browser is not one of the browsers
86: listed above.</li>
1.3 www 87: <li>If you have a supported browser, it might be hung.
88: <b>Please completely quit
89: your browser, and start it again.</b></li>
1.2 www 90: <li>You might have installed a filter against so-called "pop-up ads" (those
1.1 www 91: obnoxious windows that come up into your face trying to sell you something
92: while you are surfing). These filters will prevent LON-CAPA from running
93: properly. Please disable the filter for your school's domain, for example
1.3 www 94: "<tt>xyzu.edu</tt>."
95: <i>Test: as you <a href="javascript:openwin();">click here</a>,
96: a small window should appear.
97: If no window appears there, but
98: <a href="javascript:alert('THIS COMES UP');">this window</a> does come up,
99: pop-up filters are active.</i></li>
1.2 www 100: <li>You might be getting your internet access from a free service provider
101: which adds banner ads to your pages. These ads conflict with LON-CAPA, you
102: will need to use another provider.</li>
1.3 www 103: <li>If you do not want to re-adjust the preferences of your browser, you might
104: want to use the
105: <a href="/adm/login?interface=textual">text-based login mode</a>.
1.1 www 106: <li>If all else fails, please <b>try from another computer.</b></li>
107: </ul>
108: </body>
109: </html>
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