Предложенные действия не помогли. Обнаружил такое
# cat /var/log/Xorg.0.log | grep EE
(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
(II) Loading extension MIT-SCREEN-SAVER
(EE) fglrx(0): atiddxDriScreenInit failed, GPS not been initialized.
(EE) Failed to load /usr/lib/X11/modules/extensions//libGLcore.so ##Может быть дело в этом? Где взять?
(EE) config/hal: NewInputDeviceRequest failed
(EE) config/hal: NewInputDeviceRequest failed
# cat /var/log/Xorg.0.log | grep WW
(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
(WW) fglrx: No matching Device section for instance (BusID PCI:1:0:1) found
(WW) fglrx(0): Failed to open DRM connection
(WW) fglrx(0): board is an unknown third party board, chipset is supported
(WW) fglrx(0): More than one displays are connected,so clone mode is enabled
(WW) fglrx(0): No DRM connection for driver fglrx.
(WW) fglrx(0): could not detect X server version (query_status=-3)
(WW) fglrx(0): ***********************************************
(WW) fglrx(0): * DRI initialization failed! *
(WW) fglrx(0): * (maybe driver kernel module missing or bad) *
(WW) fglrx(0): * 2D acceleraton available (MMIO) *
(WW) fglrx(0): * no 3D acceleration available *
(WW) fglrx(0): ********************************************* *