How to change монитор resolution in my вступил в брак?

When I удар в лунку xrandr I got

milenko@milenko-X58-USB3:~$ xrandr
xrandr: Failed to get size of gamma for output default
Screen 0: minimum 1400 x 1050, current 1400 x 1050, maximum 1400 x 1050
default connected primary 1400x1050+0+0 0mm x 0mm
   1400x1050      77.0* 
  1680x1050_60.00 (0x1bf)  146.2MHz
        h: width  1680 start 1784 end 1960 total 2240 skew    0 clock   65.3KHz
        v: height 1050 start 1053 end 1059 total 1089           clock   60.0Hz

What means failed to get size of гамма? How to solve this? My card

inxi -G
Graphics:  Card: Advanced Micro Devices [AMD/ATI] Park [Mobility Radeon HD 5430] 
           X.Org: 1.15.1 drivers: fbdev,ati,radeon (unloaded: vesa) Resolution: 1400x1050@77.0hz 
           GLX Renderer: Gallium 0.4 on llvmpipe (LLVM 3.4, 128 bits) GLX Version: 2.1 Mesa 10.1.3

My видео драйвер

root@milenko-X58-USB3:~# lshw -c video
  *-display               
       description: VGA compatible controller
       product: Park [Mobility Radeon HD 5430]
       vendor: Advanced Micro Devices, Inc. [AMD/ATI]
       physical id: 0
       bus info: pci@0000:01:00.0
       version: 00
       width: 64 bits
       clock: 33MHz
       capabilities: pm pciexpress msi vga_controller bus_master cap_list rom
       configuration: driver=fglrx_pci latency=0
       resources: irq:16 memory:e0000000-efffffff memory:fbdc0000-fbddffff ioport:de00(size=256) memory:fbd00000-fbd1ffff