On Wed, 30 Apr 2014, David Christensen wrote:

> debian-user:
> 
> I have Wheezy 7.5 amd64 machine running MATE 1.6.0-3+7.wheezy.  X 
> automagically detects my 1920x1080 LCD monitor and the desktop
> displays at that resolution.
> 
> 
> The machine also runs VirtualBox 4.1.18-dfsg-2+deb7u3.  I have a
> Wheezy 7.5 amd64 MATE guest.  I would like to run the guest at
> 1920x1080 in fullscreen mode, but unfortunately the maximum
> resolution available via Start -> System -> Preferences -> Monitors
> seems to be 1600x989.
> 
> 
> I've also tried creating an /etc/X11/xorg.conf on the guest with
> monitor settings, but that doesn't seem to have any effect:
> 
> Section "Monitor"
>          Identifier   "Monitor0"
>          VendorName   "LG"
>          ModelName    "EW224T"
>          HorizSync    30-83
>          VertRefresh  56-75
>          # 1920x1080 59.96 Hz (CVT 2.07M9) hsync: 67.16 kHz; pclk: 
> 173.00 MHz
>          Modeline "1920x1080_60.00"  173.00  1920 2048 2248 2576
> 1080 1083 1088 1120 -hsync +vsync
>          Option "PreferredMode" "1920x1080_60.00"
> EndSection
> 
> 
> Any suggestions?

Did Virtualbox's Guest Additions get installed?  If so, then, maybe,
the virtual graphics card doesn't support 1920x1080.  Just a first
guess.  Check how much memory you've allotted to the virtual card.

B


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