<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>Paul,</div><div id="AppleMailSignature">I think you're right. After 4 hours of messing with it, reinstalling the nouveau drivers, and so forth, I reinstalled 15.04. </div><div id="AppleMailSignature">Thanks<br><br><span style="font-size: 13pt;">Wolf Halton</span><div><div>Atlanta Cloud Technology</div><div>Cybersecurity & Disaster Recovery Solutions </div><div>Mobile/Text <span style="font-size: 13pt;">678-687-6104</span></div><div><br></div><div>--</div><div>Sent from my iPhone. Creative word completion courtesy of Apple, Inc. </div></div></div><div><br>On Nov 6, 2015, at 3:09 PM, Paul Cartwright <<a href="mailto:pbcartwright@gmail.com">pbcartwright@gmail.com</a>> wrote:<br><br></div><blockquote type="cite"><div>
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<div class="moz-cite-prefix">On 11/06/2015 01:21 PM, Wolf Halton
wrote:<br>
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<blockquote cite="mid:CALRLYEnE+UMmswe0bRjCCfwOKuUYZthRMLN22wfGDS2gKrrrWQ@mail.gmail.com" type="cite">
<div class="gmail_default" style="font-family:verdana,sans-serif;font-size:large;color:rgb(32,18,77)">e
to the login dialog. </div>
<div class="gmail_default" style="font-family:verdana,sans-serif;font-size:large;color:rgb(32,18,77)">I
can log into TTY1 without dificulty</div>
<div class="gmail_default" style="font-family:verdana,sans-serif;font-size:large;color:rgb(32,18,77)">I
can log into the GUI using the 3.19.x kernel left over from the
previous 15.04 version of Ubuntu.</div>
<div class="gmail_default" style="font-family:verdana,sans-serif;font-size:large;color:rgb(32,18,77)"><br>
</div>
<div class="gmail_default" style="font-family:verdana,sans-serif;font-size:large;color:rgb(32,18,77)">I
put in a bug report</div>
<div class="gmail_default" style=""><font face="verdana,
sans-serif" color="#20124d" size="4"><a moz-do-not-send="true" href="https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1513500">https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1513500</a></font><br>
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<div class="gmail_default" style=""><br>
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<div class="gmail_default" style="font-family:verdana,sans-serif;font-size:large;color:rgb(32,18,77)">The
4.2 kernel worked in a Virtualbox vm version of 15.10betaR2,
running on the same host hardware (HP Pavillion, Core i7, 16GB
RAM, nvidia video card)</div>
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<div dir="ltr"><font style="background-color:rgb(255,255,255)" face="verdana, sans-serif" color="#20124d" size="4">Wolf Halton</font><br>
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</blockquote>
sounds like a video driver issue... try looking at
/var/log/Xorg.0.log for issues..<br>
maybe change the video driver to non private ( Nouveau ?)<br>
rebuild the driver/reinstall driver ??<br>
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