HP 2010i 1600x900 screen sizing issue - PCBSD 8.1

[Warren Block]

On Fri, 31 Dec 2010, Michael D. Norwick wrote:

> I bought a new HP 2010i LCD monitor that is supposed to give me 1600x900 
> resolution at 60 Hz to replace a generic 19" C.R.T. monitor that did 
> 1024x768.  The machine has an ATI Radeon video card and I am using a V.G.A. 
> cable not H.D.M.I.  I reconfigured my /etc/xorg.conf using Xorg --configure. 
> I was given the full screen at 1600x900 resolution at the next reboot but 
> then while trying to adjust some monitor settings such as Power Saver and 
> Sleep Timer the screen adjusted to the right and will not center.  Adjusting 
> the horizontal control to '0' (full left?) will not center the display.
...
> Section "Monitor"
>    #DisplaySize      440   250    # mm
>    Identifier   "Monitor0"
>    VendorName   "HWP"
>    ModelName    "HP 2010"
>    HorizSync    24.0 - 83.0
>    VertRefresh  50.0 - 76.0
>    Option        "DPMS"
> EndSection

For a start, remove or comment out the HorizSync and VertRefresh lines.