@Carlo > have you installed this driver "xf86-video-ati"? > yes, i am using the open driver. @Anthony >This seems to be similar to a problem that occurred about 3 months ago >and was fixed by a later upgrade of systemd. > >https://bbs.archlinux.org/viewtopic.php?id=178450 Didn't helped. @Martti Kühne The logs... Sorry i am late... I found two itens that could help... I almost sure that its the "display-manager.service" problem... But didn't get the why! *Jun 22 10:02:59 x systemd[1]: systemd 213 running in system mode. (+PAM -AUDIT -SELINUX -IMA -SYSVINIT +LIBCRYPTSETUP +GCRYPT +ACL +XZ +SECCOMP -APPARMOR) Jun 22 10:02:59 x systemd[1]: Detected architecture 'x86-64'.Jun 22 10:02:59 x systemd[1]: Set hostname to <x>.Jun 22 10:02:59 x systemd[1]: Cannot add dependency job for unit display-manager.service, ignoring: Unit display-manager.service failed to load: No such file or directory. ...Jun 22 10:03:23 x colord[581]: Profile added: Virtual_PDF_Printer-Gray..Jun 22 10:03:23 x colord[581]: Profile added: Virtual_PDF_Printer-RGB..Jun 22 10:03:23 x colord[581]: /usr/lib/colord/colord-sane: error while loading shared libraries: libsane.so.1: cannot open shared object file: No such file or directory Jun 22 10:03:23 x colord[581]: (colord:581): Cd-WARNING **: failed to get session [pid 364]: Erro desconhecido -2Jun 22 10:03:23 x colord[581]: Device added: cups-Virtual_PDF_PrinterJun 22 10:03:23 x systemd[1]: Started CUPS Printing Service. -- Subject: Unit cups.service has finished start-up-- Defined-By: systemd-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel <http://lists.freedesktop.org/mailman/listinfo/systemd-devel> -- -- Unit cups.service has finished starting up.-- -- The start-up result is done.* Thanks for the help.