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File:  [LON-CAPA] / loncom / html / adm / loginproblems.html
Revision 1.3: download - view: text, annotated - select for diffs
Wed Feb 19 14:01:10 2003 UTC (21 years, 3 months ago) by www
Branches: MAIN
CVS tags: HEAD
* Safari actually works
* Add paragraph about server listing if local connection broken
* Add tests for JavaScript active and Pop-Up window filter
* Add paragraph about accessibility and links to text-based login

<html>
<head>
<title>LON-CAPA Login Problems</title>
<script>
function openwin() {
   var testwin=window.open('/adm/rat/empty.html','test','menubar=0,width=200,height=100');
   testwin.document.clear();
   testwin.document.writeln('PASSED TEST');
   testwin.document.close();
   testwin.focus();
}
</script>
</head>
<body bgcolor="#FFFFFF">
<h1>Login Problems with LON-CAPA</h1>
<h2>Which browsers can I use with LON-CAPA?</h2>
LON-CAPA is designed to work with the following browsers
<ul>
<li>Mozilla version 1.0 and higher</li>
<li>Netscape version 4.7 and higher</li>
<li>Safari</li>
<li>Internet Explorer version 5.0 and higher</li>
</ul>
on the following operating systems
<ul>
<li>Linux</li>
<li>UNIX</li>
<li>MacOS</li>
<li>Windows 98, NT, 2000, ME, and XP</li>
</ul>
If you have problems logging in with any browser or any operating system not
listed above, please <b>use another browser or computer.</b>
<h2>I have accessibility needs</h2>
Please use the 
<a href="/adm/login?interface=textual">alternative text-based login mode</a>. 
Please let the system administrator know if you have any problems.
<h2>I would like to use my Pocket Computer or PDA to access LON-CAPA</h2>
While we can make no guarantees that LON-CAPA will work with your particular
Pocket Computer or PDA, you might want to try the
<a href="/adm/login?interface=textual">alternative text-based login mode</a>.
<h2>I get "Username and/or password could not be authenticated"</h2>
<ul>
<li>
The most common problem here is that the Caps-Lock button is pressed. Usernames
and passwords are case sensitive, so it does matter if something is typed with
lowercase or with uppercase letters.
</li><li>
The second most common problems is that users accidentally go to the wrong 
server. LON-CAPA is running at many universities, colleges, and schools.
Especially if you hit upon this page by looking for "LON-CAPA" in Google or
some other search engine, you might have hit a server at another place. Please
make sure to use the URL provided to you. 
</li></ul>
<h2>I get a list of computers ...</h2>
This means that the server you attempted to login to is currently not 
available. For example, it might be undergoing maintenance. Please click on
any of the other server, giving preference to the ones that say "preferred."
<h2>I get "Login token missing, inaccessible or expired"</h2>
This is a very rare problem. If it occurs, please wait for 20 minutes, reload 
the login page, and try again. If after 20 minutes LON-CAPA still gives you 
the same message, please email the Server Administrator listed on the login 
page. The Server Administrator can verify your situation and re-enable logins.
<h2>I hit "Log In," but nothing happens, or I get error messages and 
warnings</h2>
<ul>
<li>The most common problem is that your browser is not one of the browsers
listed above.</li>
<li>You might have modified the preferences in your browser. In particular, the
following preferences can be a problem:
<ul>
<li>Scripting languages, in particular JavaScript, is disabled. 
<i>Test: as you <a href="javascript:alert('PASSED TEST');">click here</a>, 
a small window should appear. If no window appears, scripting is disabled.</i>
</li>
<li>The security settings are cranked up to a higher level. In particular, this
might prevent unencrypted submission of passwords (LON-CAPA actually does its
own encryption), or cross-server submission of forms.
</ul></li>
<li>If all else fails, please <b>try from another computer.</b></li>
</ul>
<h2>After logging in, I get the message "Welcome," but then nothing happens
</h2>
<ul>
<li>The most common problem is that your browser is not one of the browsers
listed above.</li>
<li>If you have a supported browser, it might be hung. 
<b>Please completely quit
your browser, and start it again.</b></li>
<li>You might have installed a filter against so-called "pop-up ads" (those
obnoxious windows that come up into your face trying to sell you something
while you are surfing). These filters will prevent LON-CAPA from running
properly. Please disable the filter for your school's domain, for example
"<tt>xyzu.edu</tt>." 
<i>Test: as you <a href="javascript:openwin();">click here</a>, 
a small window should appear. 
If no window appears there, but 
<a href="javascript:alert('THIS COMES UP');">this window</a> does come up,
pop-up filters are active.</i></li>
<li>You might be getting your internet access from a free service provider 
which adds banner ads to your pages. These ads conflict with LON-CAPA, you 
will need to use another provider.</li>
<li>If you do not want to re-adjust the preferences of your browser, you might
want to use the 
<a href="/adm/login?interface=textual">text-based login mode</a>.
<li>If all else fails, please <b>try from another computer.</b></li>
</ul>
</body>
</html>
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