I can't get correct resolution for my 25.5" HD monitor

[Fyodor]

I can get resolutions 1600x1200 or 1920x1440 but I need 1920x1200.

 

Can anyone help?

[Tony D]

Your display adapter may not support that resolution. You would have to check the specs. What is the make/model of your comptuer? If it's home built, what graphics card are you using?

[Dalo Harkin]

As Kelly has said it will be a limitation of your GPU - to support 1920x1200

(which is a 24" monitor resolution) your card must be up to the job, there is normally an easy check for this - if their is only 1 DVI port on the back - then as a general rule it will not do it.

My old 30" Dell monitor used both of the DVI ports on my GPU to achieve the maximum resolution.

[Fyodor]

It's a Toshiba laptop. I'm planning on building my own PC and will obviously get a good graphics card in order for me to get the most out of the monitor. However, on the first time of connecting the monitor it did give me the option of 1920x1200 and everything seemed fine. After a while I restarted it, and all that was available was 1600x1200 or 1920x1440. Now, at first, I did have the monitor plugged (the D-sub cable) into a PC and also through a graphics accelerator - it didn't work on my laptop initially. It was at this point I realised that the DVI cable also had to be plugged in. So I restarted the laptop after attaching the DVI cable to the monitor and the D-sub to the monitor and laptop, that's when I was able to get the 1920x1200 resolution.

 

To answer the question, I have an ATI radeon express 200m card. I'm not sure what has happened here, the graphics accelerator may have managed to change the configurations somehow?? Either way the adaptor menu in the advanced options say that 1920x1200 is not an available mode so I'm becoming more convinced that it shouldn't have allowed me to use 1920x1200 because my card can't handle it. Anyway, any thoughts would be appreciated on this!

[Dalo Harkin]

It will only be one of 2 things:-

 

1 limitation of the GPU

2 limitation of the Monitor

 

Most LCD TV's now have a refresh rate of 100Hz as opposed to the 60Hz PC monitors use:-

 

DO THE FOLLOWING AT YOUR OWN RISK

 

you can make your monitor go to a bigger resolution by changing the

hertz to a higher setting.

If you do that be careful because you can burn up your graphics card

or you monitor

[Tony D]

Fyodor - are you saying that you're connecting the monitor to the laptop with both a DVI and VGA cable at the same time? Not a good idea.

[Fyodor]

No the DVI was not plugged into the laptop, just the D-sub. Either way I've unplugged it because I think the laptop I have is not good enough to handle it. I will use on my PC when I build it. I was more curious as to why the correct resolution appeared as an option for the period of time I mentioned.

 

Thanks to everyone who replied.

 

 

 

Just out of interest what did you mean VGA and DVI cable in at the same time, and how is not advisable to do?

[Dalo Harkin]

VGA is the blue socket that plugs into the monitor and DVI is the white socket that plugs into the monitor.

If you have both connected then a signal is transmitted to both ports and can damage the monitor