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after updating to Xubuntu 13.10, I cannot log in with my normal user anymore. When logging in, a short while after typing the password, the screen refreshes and suddenly is all garbled, just like on old monitors if you set a wrong resolution or refresh rate.

Logging in as a new user works fine. No resolution problems. It's like a wrong resolution is stored by the old user, but I cannot figure out in which files this resolution is stored, and - obviously - I can't check in the settings manager either, as I can't get to it.

Any ideas? Thanks!

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    Problem solved. Fixed it by deleting ~/.config/xfce4/xfconf/xfce-perchannel/displays.xml – Vegard Nov 12 '13 at 17:47
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    Post that as an answer. – Warren Hill Nov 13 '13 at 11:27
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I'd like to suggest you set the resolution after saving the original configuration file (a best practice)

cd /etc/default ; cp -an grub grub.sav ; nano grub

In nano grub above, change the value of GRUB_GFXMODE= to 1024x768 or some other compatible resolution, and add the line

GRUB_GFXPAYLOAD_LINUX=keep

Then run

update-grub

and reboot after, which should resolve the problem.

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