Hi, if you have not got it, try installing arandr[1] and see if that helps you. It is a GUI for xrandr and may help you out, rather than manually editing the file.
Regards, Phill. 1. http://www.ubuntugeek.com/arandr-a-simple-visual-front-end-for-xrandr.html On 20 April 2013 18:06, pete smout <[email protected]> wrote: > On 20/04/13 17:34, pete smout wrote: > >> Hi, >> >> I have been trying without success to get my ubuntu precise (upgraded >> from oneric) to accept the same resolution on my tv as 10.04 (Lucid) >> did. (I still have lucid on a spare hdd so I can check settings). >> >> The Problem: >> TV (when connected via VGA (Out on laptop)- VGA (PC input)on TV) >> On Lucid resolution was 1360 x 768 (16:9) 60hz. which worked perfectly >> well (with virtually zero input from me). >> On Precise i get 1024 x 768 (6:9) 60hz. Which means that I have an ugly >> 2inch gap down the left of the screen, and the bottom couple of inches >> below the edge of the physical screen. (I hope this makes sense) >> >> This confusing problem led me on a google-thon and I have got this far. >> >> The Output from xandr in terminal with TV connected: >> >> pete@petes-lappy:~$ xrandr >> >> Screen 0: minimum 320 x 200, current 1024 x 768, maximum 8192 x 8192 >> >> LVDS1 connected (normal left inverted right x axis y axis) >> >> 1280x800 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) >> 0mm x 0mm >> >> 1024x768 60.0* >> >> 800x600 60.3 56.2 >> >> 848x480 60.0 >> >> 640x480 59.9 >> >> TV1 disconnected (normal left inverted right x axis y axis) >> >> >> As you can see 1360 x 768 (or anything close is *not* an option) so I am >> left trying to devise a way of getting it! >> >> i have run gtf in terminal and get the following: >> >> pete@petes-lappy:~$ gtf 1360 768 60 >> >> # 1360x768 @ 60.00 Hz (GTF) hsync: 47.70 kHz; pclk: 84.72 MHz >> >> Modeline "1360x768_60.00" 84.72 1360 1424 1568 1776 768 769 772 >> 795 -HSync +Vsync >> >> >> Which gave me the idea of constructing a script to create the modeline >> (which if necessary I can run every time I plug the TV in) >> >> The script I devised: >> >> #This line adds modeline from output of gtf command >> >> # 1368x768 @ 60.00 Hz (GTF) hsync: 47.70 kHz; pclk: 85.86 MHz >> >> xrandr --VGA1 "1368x768_60.00" 85.86 1368 1440 1584 1800 768 769 772 >> 795 -HSync +Vsync >> >> #This line adds the mode as it is not default >> >> xrandr --addmode VGA1 1368x768_60 >> >> #This line sets resolution on VGA1 >> >> xrandr --output VGA1 --mode 1368x768_60 >> >> Returns the following error: >> >> pete@petes-lappy:~$ /home/pete/Desktop/tv.bash >> >> usage: xrandr [options] >> >> where options are: >> >> -display <display> or -d <display> >> >> -help >> >> -o <normal,inverted,left,right,0,**1,2,3> >> >> or --orientation <normal,inverted,left,right,0,**1,2,3> >> >> -q or --query >> >> -s <size>/<width>x<height> or --size <size>/<width>x<height> >> >> -r <rate> or --rate <rate> or --refresh <rate> >> >> -v or --version >> >> -x (reflect in x) >> >> -y (reflect in y) >> >> --screen <screen> >> >> --verbose >> >> --current >> >> --dryrun >> >> --nograb >> >> --prop or --properties >> >> --fb <width>x<height> >> >> --fbmm <width>x<height> >> >> --dpi <dpi>/<output> >> >> --output <output> >> >> --auto >> >> --mode <mode> >> >> --preferred >> >> --pos <x>x<y> >> >> --rate <rate> or --refresh <rate> >> >> --reflect normal,x,y,xy >> >> --rotate normal,inverted,left,right >> >> --left-of <output> >> >> --right-of <output> >> >> --above <output> >> >> --below <output> >> >> --same-as <output> >> >> --set <property> <value> >> >> --scale <x>x<y> >> >> --transform <a>,<b>,<c>,<d>,<e>,<f>,<g>,<**h>,<i> >> >> --off >> >> --crtc <crtc> >> >> --panning >> <w>x<h>[+<x>+<y>[/<track:w>x<**h>+<x>+<y>[/<border:l>/<t>/<r>**/<b>]]] >> >> --gamma <r>:<g>:<b> >> >> --primary >> >> --noprimary >> >> --newmode <name> <clock MHz> >> >> <hdisp> <hsync-start> <hsync-end> <htotal> >> >> <vdisp> <vsync-start> <vsync-end> <vtotal> >> >> [+HSync] [-HSync] [+VSync] [-VSync] >> >> --rmmode <name> >> >> --addmode <output> <name> >> >> --delmode <output> <name> >> >> xrandr: cannot find mode "1360x768_60" >> >> xrandr: cannot find mode 1360x768_60 >> >> >> If any one can tell me where I am going wrong (or an easier way of going >> about it) please let me know!! >> >> >> Regards >> >> Pete Smout >> >> >> Hi, > More info if it helps > > Laptop Acer Aspire 5720 3GB RAM > TV Panasonic Viera TX-L26X10 26in LCD TV > > > > > -- > [email protected] > https://lists.ubuntu.com/**mailman/listinfo/ubuntu-uk<https://lists.ubuntu.com/mailman/listinfo/ubuntu-uk> > https://wiki.ubuntu.com/**UKTeam/ > > -- > <https://wiki.ubuntu.com/UKTeam/>https://wiki.ubuntu.com/phillw >
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