It could be a problem with the video card. I got this fix from Richard Pace:

"The workaround is to disable hardware cursor in xorg.conf.
Add the following line in the device section for your video card:
Option "HWCursor" "off"

Let me know if it works!

ps

This is what I found in the KDE.Linux list "On Friday 26 January 2007 10:27, Marcelo Magno T. Sales wrote: > Is your video card an nvidia one? If so, there's a bug in nvidia driver > that causes exactly this problem with some nvidia cards (not all). The > workaround is to disable hardware curso...

This is what I found in the KDE Linux list:. "On Friday 26 January 2007 10:27, Marcelo Magno T. Sales wrote: > Is your video card an nvidia one? If so, there's a bug in nvidia driver > that causes exactly this problem with some nvidia cards (not all). The > workaround is to disable hardware cur...

This is what I found in the KDE Linux list. "On Friday 26 January 2007 10:27, Marcelo Magno T. Sales wrote: > Is your video card an nvidia one? If so, there's a bug in nvidia driver > that causes exactly this problem with some nvidia cards (not all). The > workaround is to disable hardware curs...

mouse pointer disappears - I have the same problem - had it with 2.17 and have it now with 3.1. Seems I started having the prob since getting a new MB with a dual core AMD cpu. What cpu's do you people have? Coudl that be the problem?

I have the same problem - had it with 2.17 and have it now with 3.1. Seems I started having the prob since getting a new MB with a dual core AMD cpu. What cpu's do you people have?[/quote]

I ran 2.17 off my sata hdd and was very happy with it until it started to act up (e.g. the cursor would disappear after a while). I read in one of the forums that to upgrade all you had to do was replace the old initrd and vmlinuz files with the new ones - which I did (stupidly, I didi not keep the ...