How to install usb to vga graphic adapter for dual monitor

I have an external device usb to vga to extend my desktop. I tried to create new xorg.conf file and add it to /usr/share/X11/xorg.conf.d but seems is not enough.

Usb to vga device is USB 2.0 to VGA Female Adapter for Multi-Display Monitor +track, you can see it here: http://www.amazon.co.uk/Female-Adapter-Multi-Display-Monitor-track/dp/B00FMTM00W/ref=sr_1_1?ie=UTF8&qid=1397677989&sr=8-1&keywords=USB+2.0+to+VGA+Female+Adapter+for+Multi-Display+Monitor+%2Btrack

sudo lshw -C display:

*-display
       description: VGA compatible controller
       product: 82Q963/Q965 Integrated Graphics Controller
       vendor: Intel Corporation
       physical id: 2
       bus info: pci@0000:00:02.0
       version: 02
       width: 64 bits
       clock: 33MHz
       capabilities: msi pm vga_controller bus_master cap_list rom
       configuration: driver=i915 latency=0
       resources: irq:42 memory:f0400000-f04fffff memory:e0000000-efffffff ioport:1200(size=8)

lsb_release -a:

LSB Version: core-2.0-ia32:core-2.0-noarch:core-3.0-ia32:core-3.0-noarch:core-3.1-ia32:core-3.1-noarch:core-3.2-ia32:core-3.2-noarch:core-4.0-ia32:core-4.0-noarch:core-4.1-ia32:core-4.1-noarch:security-4.0-ia32:security-4.0-noarch:security-4.1-ia32:security-4.1-noarch
Distributor ID: Ubuntu
Description: Ubuntu 13.10
Release: 13.10
Codename: saucy

uname -a:

Linux adelchi-HP-Compaq-dc5700-Small-Form-Factor 3.11.0-19-generic #33-Ubuntu SMP Tue Mar 11 18:48:32 UTC 2014 i686 i686 i686 GNU/Linux

lsusb:

Bus 002 Device 003: ID 0bda:0111 Realtek Semiconductor Corp. RTS5111 Card Reader Controller
Bus 002 Device 002: ID 2297:3204
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

dmesg | tail -n 20
[ 32.616115] [drm:drm_mode_debug_printmodeline], Modeline 17:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
[ 32.616122] [drm:drm_mode_debug_printmodeline], Modeline 18:"832x624" 75 57284 832 864 928 1152 624 625 628 667 0x40 0xa
[ 32.616128] [drm:drm_mode_debug_printmodeline], Modeline 19:"800x600" 75 49500 800 816 896 1056 600 601 604 625 0x40 0x5
[ 32.616135] [drm:drm_mode_debug_printmodeline], Modeline 20:"800x600" 72 50000 800 856 976 1040 600 637 643 666 0x40 0x5
[ 32.616141] [drm:drm_mode_debug_printmodeline], Modeline 9:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
[ 32.616148] [drm:drm_mode_debug_printmodeline], Modeline 10:"640x480" 75 31500 640 656 720 840 480 481 484 500 0x40 0xa
[ 32.616154] [drm:drm_mode_debug_printmodeline], Modeline 11:"640x480" 73 31500 640 664 704 832 480 489 491 520 0x40 0xa
[ 32.616166] [drm:drm_mode_debug_printmodeline], Modeline 12:"640x480" 60 25200 640 656 752 800 480 490 492 525 0x40 0xa
[ 32.616171] [drm:drm_mode_debug_printmodeline], Modeline 13:"720x400" 70 28320 720 738 846 900 400 412 414 449 0x40 0x6
[ 32.616193] [drm:drm_mode_getconnector], [CONNECTOR:5:?]
[ 34.376035] [drm:intel_crt_detect], CRT detected via hotplug
[ 912.287085] [drm:i915_driver_open],
[ 912.599539] [drm:i915_driver_open],
[ 1224.115849] usb 2-3: USB disconnect, device number 2
[ 1283.112031] usb 2-3: new high-speed USB device number 4 using ehci-pci
[ 1283.245459] usb 2-3: New USB device found, idVendor=2297, idProduct=3204
[ 1283.245466] usb 2-3: New USB device strings: Mfr=1, Product=9, SerialNumber=2
[ 1283.245472] usb 2-3: Product: USB3.0 Display
[ 1283.245477] usb 2-3: Manufacturer: Grain-media Technology Corp.
[ 1283.245482] usb 2-3: SerialNumber: 123456789123456789

lsusb
Bus 002 Device 003: ID 0bda:0111 Realtek Semiconductor Corp. RTS5111 Card Reader Controller
Bus 002 Device 004: ID 2297:3204
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub