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RyanHartwick

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Black Screen with Cursor after Login in Ubuntu 13.10

I'm having an issue with my Ubuntu machine that I can't seem to find the cause of.  

After I login to Ubuntu with my password the screen goes black for 3 to 8 seconds or so before displaying the Ubuntu desktop.  I can still see my cursor but that's it.

This started happening when I stopped using the IGP and put in a low end video card (Nvidia 310) and switched to using the proprietary drivers from the software and updates section of Ubuntu.  The card had some issues so I removed it, and replaced it with a AMD 7770 I had.  Again I instead the proprietary drivers for AMD but I still got the same issue.  Black screen for a few seconds after log in.  I decided to go back to using the IGP.  I uninstalled all NVidia and AMD drivers by using "apt-get remove --purge" but the problem persisted.

I've tried uninstalling and reinstalling unity, and xserver-xorg, but the problem persists. I'm still a novice when it comes to Linux.  Any help on how to fix this would be appreciated.
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David
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Try sshing into the system and see if there is a similar delay. The computer is doing something for these 3-8 seconds, and you shouldn't assume it has anything to do with X

anything show up in dmesg or /var/log/messages  ?

Certainly wrong drivers can't help, but I would expect it to not work at all rather than have a 3-8 second delay.
My system starts in console mode and I always get a black screen for a few seconds when I type startx. I just thought it was normal. But that is actually starting X. Is X started when you get your Login prompt?
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RyanHartwick

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I'm sorry I'm a bit of a Linux novice.  I'm not sure which switch to use in conjunction with dmesg in order to get the info you are looking for, and I don't see a folder or file named "message" in the var/log folder.

I'm not sure if x is started before or after I log in.  The login page is graphical though if that helps.
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David
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... or to even be more blunt, get some perspective.  I'm betting you've spent hours on this in an effort to save 2 seconds a day.  

You've probably spent 10 years worth of 2 second delays and still have nothing to show for it.
Thanks for the input.  I did do some searching using Google with this topic in conjunction with making this thread.  Seems to be an issue others are reporting as well with Ubuntu 13.10.  

I assumed perhaps I had done something wrong when installing/removing the NVidia and AMD drivers as that is when the issue surfaced and it wasn't happening before but there were some system updates that happened during that time as well, so it may just be the norm right now given what I have running on that machine.

While I understand that it can be frustrating for veterans of Linux to attempt to help someone with very little experience, I still don't appreciate being told that maybe I should just pay someone to help. Especially on a forum where I do pay a subscription.  I wasn't looking for anyone to hold my hand, just some guidance to get me going in the right direction.

Since I am new to using Linux, I want to understand why and how things are happening.  I could have easily put a Windows machine in its stead, but specifically chose not to in order to learn.  The issue isn't major, but more something that peaked my curiosity. Since I do pay for this tool I thought, why not take a quick check over here to see if it is something simple I'm missing?

I will take a look at the information you provided and I do appreciate the time taken to read and respond.   Thank you.
I understand Ryan, but here is the cold truth.  Some things can be fixed by a few commands, other things require deep diagnosic work.  All your startup procedures are SPECIFIC to your hardware, your version of linux, your patch level, and the programs you install.

Unless somebody with the proper skills and experience is logged onto your machine, then it just won't happen.  The log files alone are several megabytes long, and I can't tell you what to look for, it is more like I will know it if I see it.

Your problem is basically, "My computer is slow, please tell me how to fix it", using a configuration that is unique to you.