Error message after Xorg -configure

[Cees Biesheuvel <ceesbiesheuvel@xxxxxxxxx>]

Dear Sir/Madam,

On my Toshiba Satellite M30 laptop I installed Xubuntu 12.04 (Windows XP is still there) but the display resolution is not correct during the startup, and after that the graphics is not ok. The autodetection of the display resolution is not going well. I got the suggestion to start in repair modus and then to the root and do the following to bypass the autodetection:

Type in: Xorg -configure =============> this goes wrong see error message below

follow the instructions to set the correct resolution

Restart

Finally copy /root/xorg.conf.new to /etc/x11/xorg.conf

Restart

Error message:

Could not create lock file in /temp/.tx0-lock

Please consult the X.org foundation support http://wiki.x.org

Please inform me what to do.

Beste regards from Holland,

Cees

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