Dell Studio Hybrid won't work with ViewSonic vx2235wm monitor (DVI)

[mark-OGhnF3Lt4opAfugRpC6u6w at public.gmane.org (Mark J. Dulcey)]

Greg Rundlett wrote:
> I have a strange situation that has me baffled and I'm hoping somebody
> knows what is going on.
> 
> I bought a refurbished Dell Studio Hybrid 140G (which has DVI and HDMI
> video outputs).  I already own a ViewSonic vx2235wm 22" LCD (circa
> 2006) monitor (which has DVI and VGA inputs).  If I connect the Dell
> to the ViewSonic using a DVI cable there is no output to the monitor.
> Nothing.  Because there is no signal, the monitor light is amber
> rather than blue.  The cable is known to work with my MacBook Pro.
> The monitor is known to work (in Digital mode) connected to my MacBook
> Pro.  (The monitor also works in VGA mode, but that is beside the
> point.)
> 
> A Dell technician visited and replaced the motherboard and cable with
> no change in the results.
> 
> I have hooked up the Dell Studio Hybrid 140G to 4 other monitors using
> either DVI or HDMI and they all have worked.  As I said, I have also
> hooked up the monitor to at least one computer using DVI and it works.
>  When I put them together I get nothing.
> 
> I hooked up the Dell Studio Hybrid 140G to a working monitor at a
> friends house and installed the latest Vista driver from ViewSonic
> hoping that would fix it, but no change in the results when connecting
> the Dell Studio Hybrid back to the ViewSonic monitor at home.
> 
> The Dell seems to boot just fine, and goes through a good POST
> routine.  (The capslock and numlock keys work.)
> 
> The boot order is DVD/CD then hard disk, so I had hoped that a Linux
> Live distro would allow me to use the monitor.  However, when
> Mythbuntu 8.10 is put into the Dell, I again get no video signal
> whatsoever to the display.  Of course Mythbuntu also works fine at my
> friends house (with an HP monitor).
> 
> In the BIOS settings, I turned off quick boot so that full POST tests
> are performed.
> 
> I applied all Windows updates - including one from two days ago that
> was from Dell and dealt with bus communications and video.
> 
> There is this forum post which is similar, but doesn't offer any
> solution. http://en.community.dell.com/forums/p/19244493/19379615.aspx
> 
> Although I have updated the ViewSonic driver, I guess I should also
> make certain the Intel graphics card driver is the most up to date.
> 
> I'm downloading the most recent knoppix live cd figuring that will
> have a good assortment of drivers and might be able to create a
> display.
> 
> Any other suggestions?  I'm also ready to return the thing to Dell
> because I'm not likely to buy a new monitor.
>

Check the refresh rate setting. Some flat panels want it to be 
specifically 60Hz and don't support higher rates from the video card.