Widescreen resolution 1440x900

Discussions about using Windows guests in VirtualBox.

Widescreen resolution 1440x900

Postby Jchen2013 » 10. Jan 2013, 23:18

How do I configure or add custom resolution 1440x900 in guest PC?
Currently it allows me to go up to 1400x1050. I am using the latest version "VirtualBox-4.2.6-82870-Win".

JC
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Re: Widescreen resolution 1440x900

Postby Perryg » 10. Jan 2013, 23:34

Have you installed the guest additions (in the guest)?
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Re: Widescreen resolution 1440x900

Postby Jchen2013 » 10. Jan 2013, 23:49

Yes.
Guest Additions.PNG
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Re: Widescreen resolution 1440x900

Postby Jchen2013 » 10. Jan 2013, 23:51

Max. screen resolution
screen resolution.PNG
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Re: Widescreen resolution 1440x900

Postby Perryg » 10. Jan 2013, 23:54

What happens if you use the host+F toggle to go full screen?
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Re: Widescreen resolution 1440x900

Postby Jchen2013 » 11. Jan 2013, 00:08

It changed to 1920x1200. Still cannot set to 1440x900.
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Re: Widescreen resolution 1440x900

Postby Perryg » 11. Jan 2013, 00:21

See Chapter 9.7 Advanced display configuration in your VirtualBox users manual.
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Re: Widescreen resolution 1440x900

Postby Jchen2013 » 11. Jan 2013, 00:51

I tried the command:

vboxmanage setextradata "VM Name" "CustomVideoMode1" "1440x900x32"

Powered on the VM, nothing changed. How or where do I see the new custom resolution?
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Re: Widescreen resolution 1440x900

Postby Perryg » 11. Jan 2013, 00:57

vboxmanage setextradata "VM Name" "CustomVideoMode1" "1440x900x32"

Replace "VM Name" with the actual name
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Re: Widescreen resolution 1440x900

Postby Jchen2013 » 11. Jan 2013, 01:02

I did use my VM Name, which it is "Windows XP 32-bit"
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Re: Widescreen resolution 1440x900

Postby Perryg » 11. Jan 2013, 01:56

With the guest running type this in the hosts terminal.
VBoxManage controlvm "Windows XP 32-bit" setvideomodehint 1440 900 32
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Re: Widescreen resolution 1440x900

Postby evil_knevil » 3. Jan 2015, 21:21

hi all,

I had the same problems with different setup:

Host OS: Linux Mint 17 Cinnamon 64-bit
Guest OS: Centos 6.6
Virtualbox: Oracle VM VirtualBox Manager 4.3.10_Ubuntu

Solution which worked for me:

1. Install Virtualbox --> Devices, Insert Guest Additions CD image
Code: Select all   Expand viewCollapse view
    [root@centos6 ~]# cd /media/VBOXADDITIONS_4.3.10_93012/
    ./VBoxLinuxAdditions.run


2. get custom resolution string:
Code: Select all   Expand viewCollapse view
    [root@centos6 ~]$ cvt 1600 900
    # 1600x900 59.95 Hz (CVT 1.44M9) hsync: 55.99 kHz; pclk: 118.25 MHz Modeline "1600x900_60.00"  118.25  1600 1696 1856 2112  900 903 908 934 -hsync +vsync


3. set custom resolution string:
Code: Select all   Expand viewCollapse view
    [root@centos6 ~]$ xrandr
    Screen 0: minimum 64 x 64, current 1024 x 768, maximum 16384 x 16384
    VBOX0 connected 1024x768+0+0 0mm x 0mm
       1024x768       60.0*+   60.0*
       1600x1200      60.0 
       1440x1050      60.0 
       1280x960       60.0 
       800x600        60.0 
       640x480        60.0 

    [root@centos6 ~]$ xrandr --newmode "1600x900_60.00" 118.25  1600 1696 1856 2112  900 903 908 934 -hsync +vsync

    [root@centos6 ~]$ xrandr --addmode VBOX0 "1600x900_60.00"


4. use normal system administration config dialog to change resolution to 1600 x 900 which was not available before.

HTH,
Magnus
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Re: Widescreen resolution 1440x900

Postby webtiger » 10. Oct 2015, 05:16

thank you evil_knevil, your solution worked for me ,amazing!

after 4hours struggle, finally i can see the ubuntu application window as a whole , instead of terminal's losing the bottom, firefox starting-up with left-empty screen...


mine :
host OS=win7, guest OS=ubuntu 14.04LTS, virtualbox=5.0.51

evil_knevil wrote:hi all,

I had the same problems with different setup:

Host OS: Linux Mint 17 Cinnamon 64-bit
Guest OS: Centos 6.6
Virtualbox: Oracle VM VirtualBox Manager 4.3.10_Ubuntu

Solution which worked for me:

1. Install Virtualbox --> Devices, Insert Guest Additions CD image
Code: Select all   Expand viewCollapse view
    [root@centos6 ~]# cd /media/VBOXADDITIONS_4.3.10_93012/
    ./VBoxLinuxAdditions.run


2. get custom resolution string:
Code: Select all   Expand viewCollapse view
    [root@centos6 ~]$ cvt 1600 900
    # 1600x900 59.95 Hz (CVT 1.44M9) hsync: 55.99 kHz; pclk: 118.25 MHz Modeline "1600x900_60.00"  118.25  1600 1696 1856 2112  900 903 908 934 -hsync +vsync


3. set custom resolution string:
Code: Select all   Expand viewCollapse view
    [root@centos6 ~]$ xrandr
    Screen 0: minimum 64 x 64, current 1024 x 768, maximum 16384 x 16384
    VBOX0 connected 1024x768+0+0 0mm x 0mm
       1024x768       60.0*+   60.0*
       1600x1200      60.0 
       1440x1050      60.0 
       1280x960       60.0 
       800x600        60.0 
       640x480        60.0 

    [root@centos6 ~]$ xrandr --newmode "1600x900_60.00" 118.25  1600 1696 1856 2112  900 903 908 934 -hsync +vsync

    [root@centos6 ~]$ xrandr --addmode VBOX0 "1600x900_60.00"


4. use normal system administration config dialog to change resolution to 1600 x 900 which was not available before.

HTH,
Magnus
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