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Thread: Can't add a screen resolution

  1. #1
    Join Date
    Apr 2012
    Quebec, Canada
    Ubuntu 12.04 Precise Pangolin

    Can't add a screen resolution


    I've just discovered an amazing script called "Newrez", which allow me to force any screen resolution (Up to 8000 pixels!!) on my laptop. The main issue is that assuming I select a 1600x1200 resolution (I'm using 1366x768), my mouse remain stuck inside a 1366x768 rectangle. This is a known problem, but I can't figure it out how to fix it. I don't know how to use the script "Newrez-v" proprely.

    I would like to add custom resolutions to Ubuntu, but that isn't working. Here's the outpup of the command xrandr:

    Screen 0: minimum 320 x 200, current 1366 x 768, maximum 8192 x 8192 LVDS1 connected 1366x768+0+0 (normal left inverted right x axis y axis) 309mm x 174mm panning 1366x768+0+0    1366x768       60.0*+    1360x768       59.8     60.0      1024x768       60.0      800x600        60.3     56.2      640x480        59.9   VGA1 disconnected (normal left inverted right x axis y axis) HDMI1 disconnected (normal left inverted right x axis y axis) DP1 disconnected (normal left inverted right x axis y axis)   1600x1200_60.00 (0xd5)   83.5MHz         h: width  1280 start 1344 end 1480 total 1680 skew    0 clock   49.7KHz         v: height  800 start  801 end  804 total  828           clock   60.0Hz
    Output of gtf 1280 800 60:

    # 1600x1200 @ 60.00 Hz (GTF) hsync: 74.52 kHz; pclk: 160.96 MHz   Modeline "1600x1200_60.00"  160.96  1600 1704 1880 2160  1200 1201 1204 1242  -HSync +Vsync
    So far, I've tried this:

    xrandr --newmode "1600x1200_60.00"  83.46  1280 1344 1480 1680  800 801 804 828  -HSync +Vsync
    The terminal return nothing, no error, so I type this:

    xrandr --addmode LVDS1 "1600x1200_60.00"
    Now unfortunately, I keep getting this error. I believe this is a known bug:

    X Error of failed request:  BadMatch (invalid parameter attributes)   Major opcode of failed request:  150 (RANDR)   Minor opcode of failed request:  18 (RRAddOutputMode)   Serial number of failed request:  29   Current serial number in output stream:  30

    Can you help? What I am doing wrong, here?

    Thank you very much!

  2. #2
    dino99's Avatar
    dino99 is offline Ubuntu addict and loving it
    Join Date
    Jun 2006
    Nux Jam
    Ubuntu Development Release

    Re: Can't add a screen resolution

    thats virtual fake you cant get more than your hardware can do


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