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I've got a pretty serious problem with an Ubuntu on my PC. I can't login anymore over the GUI. If I Login, the Login Screen just change to Black, and a few seconds afterwards the Login Screen appears again. In TTY it works...

I did a clean install from DVD about 7-8 times now, with different Versions. I tried Kubuntu, Xubuntu and even the normal Ubuntu. And the problem happens only if I allow Updates while installing, or do an Update afterwards. But never updating Linux is not what I want.

I'm pretty desperate right now. I tried even to login over TTY and then do startx. But it just brings the Login Screen again....

I use a Lenovo Thinkpad W530. Don't know if it matters, or not. It happened first with Kubuntu 14.10. After an Update a few Weeks ago. Please help.

Severus15
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2 Answers2

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I just fixed the same issue a few minutes ago, my problem was that I had some issues with AMD drivers.

I fixed it with this: Ubuntu gets stuck in a login loop

Specifically chown username:username .Xauthority

Community
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Dennis
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I have the same issue and I did:

chown `id -u`:`id -g` ~/.Xauthority

Exist one command to create the file mkxauth

canonale
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