Hi to all, I use the default XFCE environment because I use a external monitor for my laptop, this is good because recognize fast external monitors or Projectors, and have a great tool for do this (in 14.04 all this are present):
http://www.webupd8.org/2012/11/how-to-use-multiple-monitors-in-xubuntu.html Is not possible imagine to me to use other environment that XFCE (Ubuntu with Unity not have so agile tool, Kubuntu is very heavy, and other ligh wm like Enlightenment, fluxbox, openbox, jwm, windows maker, i3, xfe, awesome, e17, ecewm, or include the great lxde not have this feature) . The reazon is for in the year 2012 when I made my thesis I use my laptop Dell Inspiron 1750 long hours and my eyes they are remained tired, and difficult to focus. Next other day, in the work of a friend I use a LCD monitor from a CPU for 2 hours, and I question to my friend why my eyes are not tired, and said to me that this are a LCD monitor are from a casino, and that this are made for people to stay as long as possible looking at the monitor without tiring. Then I started researching on Google and found that the refresh rate to 75Hz is good for the eyes(on some places, not in all), and I saw that this monitor settings are default 75Hz, and so I was then bought an external monitor ViewSonic VA1931wa-LED and configured to 75Hz with a script, here I upload two, one for viewsonic and other for external Plasma Panasonic, this are an adaptation from http://www.arunviswanathan.com/node/53 Note: I see that in each monitor is not possible put 75Hz, I see in cybers, friends, I saw that in expensive monitors is possible this. I try, that in some instances at this refresh rates obtain 75Hz 1280x768 1280x800 1024x768 Here Add a tutorial
Monitor Externo: ViewSonic VA1931wa-LED Laptop: Dell Inspiron 1750 follwing this: http://www.arunviswanathan.com/node/53 I do that wachin@wachin-Inspiron-1750:~$ gtf 1280 768 75 I obtain: # 1280x768 @ 75.00 Hz (GTF) hsync: 60.15 kHz; pclk: 102.98 MHz Modeline "1280x768_75.00" 102.98 1280 1360 1496 1712 768 769 772 802 -HSync +Vsync See this: http://i.imgur.com/YyGTFHf.png Now, with this: "1280x768_75.00" and this: 102.98 1280 1360 1496 1712 768 769 772 802 -HSync +Vsync I put in the terminal: wachin@wachin-Inspiron-1750:~$ xrandr --newmode "1280x768_75.00" 102.98 1280 1360 1496 1712 768 769 772 802 -HSync +Vsync and next: wachin@wachin-Inspiron-1750:~$ xrandr --addmode VGA1 1280x768_75.00 and next: wachin@wachin-Inspiron-1750:~$ xrandr --output VGA1 --mode 1280x768_75.00 wachin@wachin-Inspiron-1750:~$ Now I have my script working: #! /bin/bash xrandr --newmode "1024x768_75.00" 81.80 1024 1080 1192 1360 768 769 772 802 -HSync +Vsync xrandr --addmode VGA1 1024x768_75.00 xrandr --output VGA1 --mode 1024x768_75.00 EXPLICATIONS: The output displayed for the external monitor when connecting the laptop is VGA1, it can be seen putting on the terminal: wachin@wachin-Inspiron-1750:~$ xrandr Screen 0: minimum 320 x 200, current 1024 x 768, maximum 8192 x 8192 LVDS1 connected 800x600+0+0 (normal left inverted right x axis y axis) 382mm x 215mm 1600x900 60.1 + 1440x900 59.9 1360x768 59.8 60.0 1152x864 60.0 1024x768 60.0 800x600 60.3* 56.2 640x480 59.9 VGA1 connected 1024x768+0+0 (normal left inverted right x axis y axis) 410mm x 230mm 1366x768 59.8 + 1280x1024 75.0 60.0 1280x960 60.0 1280x800 74.9 59.8 1152x864 75.0 1024x768 75.1* 70.1 60.0 832x624 74.6 800x600 72.2 75.0 60.3 56.2 640x480 72.8 75.0 66.7 60.0 720x400 70.1 DP1 disconnected (normal left inverted right x axis y axis) 1280x768_75.00 (0x112) 103.0MHz h: width 1280 start 1360 end 1496 total 1712 skew 0 clock 60.2KHz v: height 768 start 769 end 772 total 802 clock 75.0Hz This indicates that the monitor of the laptop is: LVDS1 This indicates that the external monitor is ViewSonic: VGA1 The asterisk * means that this mode is working in the monitor
Script 75Hz Panasonic Viera.sh
Description: Bourne shell script
Script 75Hz ViewSonic.sh
Description: Bourne shell script
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