Enemy Territory no Ubuntu 14.04 LTS (laptop Dell Latitude E6440)

Question

Estou tentando configurar Wolfenstein: Enemy Territory no meu laptop (Dell E6440) . : P Eu posso rodar o jogo, mas recebendo gráficos ruins (preto) como este.

A seguir estão as especificações do meu laptop.

amilai@amilai-Latitude-E6440:~$ sudo lshw -C display
  *-display               
       description: VGA compatible controller
       product: 4th Gen Core Processor Integrated Graphics Controller
       vendor: Intel Corporation
       physical id: 2
       bus info: pci@0000:00:02.0
       version: 06
       width: 64 bits
       clock: 33MHz
       capabilities: msi pm vga_controller bus_master cap_list rom
       configuration: driver=i915 latency=0
       resources: irq:48 memory:f5800000-f5bfffff memory:e0000000-efffffff ioport:f000(size=64)

E eu instalei o Intel Graphics Installer ( intel-linux-graphics-installer_1.0.7-0intel1_amd64.deb ) link . Mas eu recebo esse erro.

amilai@amilai-Latitude-E6440:~$ sudo intel-linux-graphics-installer 

(intel-linux-graphics-installer:5650): Gtk-WARNING **: Failed to register client: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.gnome.SessionManager was not provided by any .service files
diagnostics-view.c/new_diagnostic: Adding diagnostic for Checking if Intel graphics card available...
diagnostics-view.c/new_diagnostic: Adding diagnostic for Retrieving information from 01.org...
diagnostics-view.c/new_diagnostic: Adding diagnostic for Checking distribution...
diagnostics-view.c/new_diagnostic: Adding diagnostic for Checking kernel version...
diagnostics-view.c/new_diagnostic: Adding diagnostic for Checking available repositories...
diagnostics-view.c/new_diagnostic: Adding diagnostic for Checking package manager status...
No LSB modules are available.
polkit: Fetching org.01.linuxgraphics.installer permissions...
diagnostics-view.c/diagnostics_view_start: Running diagnostic Checking if Intel graphics card available...
diagnostics-view.c/diagnostics_view_start: Running diagnostic Retrieving information from 01.org...
{
  errors: (nil)
  sources: []
  keys: []
  docs: []
  INSTALL: []
  install: []
  upgrade: []
}
diagnostics-view.c/diagnostics_view_start: Running diagnostic Checking distribution...
                    

por Amila Iddamalgoda 14.08.2015 / 06:13