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  #1  
Old 10-28-2007, 11:58 PM
sofasurfer
 
Posts: n/a
Default Wide screen monitor distortion/stretch

I'm shopping for a wide screen monitor. The first ones I looked at
showed the images ( pictures of bubbles) streched horizontally whereas
the 4:3 ratio screens had perfectly round bubble images.
Then I saw some other wide screens father down the isle on which the
bubble images were perfectly round, unlike the earlier wide screens.

So my question is:
Should a pc display images the same on a wide screen as on a 4:3
screen? Why were some of them at the store distorted and some not
distorted?

What else should I know?

Thanks...

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  #2  
Old 10-29-2007, 12:10 AM
John McGaw
 
Posts: n/a
Default Re: Wide screen monitor distortion/stretch

sofasurfer wrote:
> I'm shopping for a wide screen monitor. The first ones I looked at
> showed the images ( pictures of bubbles) streched horizontally whereas
> the 4:3 ratio screens had perfectly round bubble images.
> Then I saw some other wide screens father down the isle on which the
> bubble images were perfectly round, unlike the earlier wide screens.
>
> So my question is:
> Should a pc display images the same on a wide screen as on a 4:3
> screen? Why were some of them at the store distorted and some not
> distorted?
>
> What else should I know?
>
> Thanks...
>


If installed and set up properly then the aspect ratio should be correct
and round will be round. No doubt the stores in your area hire the same
sort that are hired around here -- if something is unboxed and put on
display correctly it only by random chance. Just make sure that your
video card and drivers will support whatever the monitor's native
resolution may be and you should be fine.

--
John McGaw
[Knoxville, TN, USA]
http://johnmcgaw.com
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  #3  
Old 10-29-2007, 12:17 AM
Grinder
 
Posts: n/a
Default Re: Wide screen monitor distortion/stretch

sofasurfer wrote:
> I'm shopping for a wide screen monitor. The first ones I looked at
> showed the images ( pictures of bubbles) streched horizontally whereas
> the 4:3 ratio screens had perfectly round bubble images.
> Then I saw some other wide screens father down the isle on which the
> bubble images were perfectly round, unlike the earlier wide screens.
>
> So my question is:
> Should a pc display images the same on a wide screen as on a 4:3
> screen?


Should? No.

> Why were some of them at the store distorted and some not
> distorted?


I think you know the answer already. The distored images on the
widescreen monitors were most likely displaying 4:3 resolutions,
requiring them to be stretched to fill the wider area.

> What else should I know?


What resolutions are available is a function of your graphics card's
driver. Ideally it should offer the native resolution of your LCD
monitor, and some lesser resolutions with the same aspect ratio.

Previously I would have said that you don't have to worry much about 4:3
resolutions, but I just recently ran into a monitor that had a native
resolution of 1400x1050, and I couldn't get the official ATI drivers to
output to that.

As for widescreen ratios, I would say they are generally less supported.
The driver for my 9600XT, for instance, has these widescreen
resolutions: 1360x768, 1920x1080, and 1920x1200. The one widescreen LCD
I have is 1440x900. Good thing I don't intend to use it on this PC.

A couple of things I'm unclear about, is if drivers tend to poll the
monitor in question to determine reasonable resolutions, and if the
monitor "drivers" (they're actually just preference information--no
active code) you see with some devices can actually add to the
resolutions list.

Perhaps you can do a bit of research before you buy to make sure you
card will easily support the monitor you're looking at.
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  #4  
Old 10-29-2007, 01:29 AM
Noozer
 
Posts: n/a
Default Re: Wide screen monitor distortion/stretch


"sofasurfer" <sofasurfer@blclinks.net> wrote in message
news:1193612289.733273.188440@y42g2000hsy.googlegr oups.com...
> I'm shopping for a wide screen monitor. The first ones I looked at
> showed the images ( pictures of bubbles) streched horizontally whereas
> the 4:3 ratio screens had perfectly round bubble images.
> Then I saw some other wide screens father down the isle on which the
> bubble images were perfectly round, unlike the earlier wide screens.
>
> So my question is:
> Should a pc display images the same on a wide screen as on a 4:3
> screen? Why were some of them at the store distorted and some not
> distorted?
>
> What else should I know?


Know that if they have multiple monitors hooked up to the same source, you
can't trust anything you see on display.


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  #5  
Old 10-29-2007, 03:11 AM
Joel
 
Posts: n/a
Default Re: Wide screen monitor distortion/stretch

sofasurfer <sofasurfer@blclinks.net> wrote:

> I'm shopping for a wide screen monitor. The first ones I looked at
> showed the images ( pictures of bubbles) streched horizontally whereas
> the 4:3 ratio screens had perfectly round bubble images.
> Then I saw some other wide screens father down the isle on which the
> bubble images were perfectly round, unlike the earlier wide screens.
>
> So my question is:
> Should a pc display images the same on a wide screen as on a 4:3
> screen? Why were some of them at the store distorted and some not
> distorted?
>
> What else should I know?


I am not a widescreen experted (the only widescreens we have are 5
laptops), but in general whatever you display depends on the program itself.
Example

- If you display a photo using graphic viewer then the photo will fit inside
the window of the program. If the program is smart enough then it should
display base on the Ratio-Aspect

- If you use the same photo as wallpaper and you tell your Windows to
stretch to FIT the screen then it will stretch

So, try not to look at wrong screen to get wrong information <bg>

> Thanks...

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  #6  
Old 10-29-2007, 05:40 AM
sofasurfer
 
Posts: n/a
Default Re: Wide screen monitor distortion/stretch

On Oct 28, 7:17 pm, Grinder <grin...@no.spam.maam.com> wrote:
> sofasurfer wrote:


>
> What resolutions are available is a function of your graphics card's
> driver. Ideally it should offer the native resolution of your LCD
> monitor, and some lesser resolutions with the same aspect ratio.
>


So, the resolutions available as a function of my graphics card would
be the resolutions I find when I go to
desktop>properties>settings>screen resolution? There are about 14
differant resolutions available.

> Previously I would have said that you don't have to worry much about 4:3
> resolutions, but I just recently ran into a monitor that had a native
> resolution of 1400x1050, and I couldn't get the official ATI drivers to
> output to that.


The native resolution, which I should match to one of the available
resolutions under desktop>properties>settings>screen resolution, is
the resolution number that I see in the monitor advertisment or store
specification display card?

Thanks...




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  #7  
Old 10-29-2007, 06:39 AM
Grinder
 
Posts: n/a
Default Re: Wide screen monitor distortion/stretch

sofasurfer wrote:
> On Oct 28, 7:17 pm, Grinder <grin...@no.spam.maam.com> wrote:
>> sofasurfer wrote:

>
>> What resolutions are available is a function of your graphics card's
>> driver. Ideally it should offer the native resolution of your LCD
>> monitor, and some lesser resolutions with the same aspect ratio.
>>

>
> So, the resolutions available as a function of my graphics card would
> be the resolutions I find when I go to
> desktop>properties>settings>screen resolution? There are about 14
> differant resolutions available.


Yes, but with a possible caveat. The driver may be able to poll the
monitor, or information cached about the monitor, to add resolutions to
the list. I don't know of this happens, but it's possible.

>> Previously I would have said that you don't have to worry much about 4:3
>> resolutions, but I just recently ran into a monitor that had a native
>> resolution of 1400x1050, and I couldn't get the official ATI drivers to
>> output to that.

>
> The native resolution, which I should match to one of the available
> resolutions under desktop>properties>settings>screen resolution, is
> the resolution number that I see in the monitor advertisment or store
> specification display card?


Native resolution (sometimes Optimal Resolution or Maximum Resolution)
is a property of the LCD monitor. It is the actual number of elements
in the LCD panel. CRT monitors do not have a corresponding "sweet spot."
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  #8  
Old 11-05-2007, 02:43 AM
sofasurfer
 
Posts: n/a
Default Re: Wide screen monitor distortion/stretch

A lot of the monitors I look at in the store have a native resolution
of 1440x900. I looked at the possible settings for my video card (ASUS
N6200LE) under start>control panel>Nvidia Control Panel and I see that
there is no 1440x900. The closest settings are 1360x768 and 1600x900.

Does this mean...
1. I have a crappy video card that doesn't have enough resolution
choices to match a reasonable monitor
2. The monitors I looked at were crappy and didn't have a native
resolution that matches a reasonable video card
3. The process of matching a video card to a monitor is a time
consuming process that doesn't always work out

What do you recommend? Do you like my video card or did I buy the
wrong one? Am I supposed to just keep looking until I find a matching
monitor?

And one final question.
Is the refresh rate something that I can safely change?

I alway though it was dangerous to the monitor to change it but in the
doc. for my video card there is a control to change the refresh rate
and it says that all it does is to help eliminate flicker, as if it is
something that can be set to your preference.

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  #9  
Old 11-05-2007, 04:52 AM
Brett Kline
 
Posts: n/a
Default Re: Wide screen monitor distortion/stretch

sofasurfer wrote:
> A lot of the monitors I look at in the store have a native resolution
> of 1440x900. I looked at the possible settings for my video card (ASUS
> N6200LE) under start>control panel>Nvidia Control Panel and I see that
> there is no 1440x900. The closest settings are 1360x768 and 1600x900.



1440x900 is very common resolution for a 19" widescreen LCD. Try new drivers
as your video card does support 1440x900 and quite a bit higher.

http://www.nvidia.com/object/winxp_2k_93.71_2.html


>
> Does this mean...
> 1. I have a crappy video card that doesn't have enough resolution
> choices to match a reasonable monitor



You have an entry level video card which does not support HDMI nor DX10. For
general purposes it's fine.

http://www.asus.com/products.aspx?l1...=0&share=txt/2

>
> And one final question.
> Is the refresh rate something that I can safely change?
>


Yes. 60-75 Hz is common in LCD monitors. Unlike CRTs flicker is not so much
an issue so higher refresh rates are unnecessary.


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  #10  
Old 11-05-2007, 06:23 AM
Grinder
 
Posts: n/a
Default Re: Wide screen monitor distortion/stretch

sofasurfer wrote:
> A lot of the monitors I look at in the store have a native resolution
> of 1440x900. I looked at the possible settings for my video card (ASUS
> N6200LE) under start>control panel>Nvidia Control Panel and I see that
> there is no 1440x900. The closest settings are 1360x768 and 1600x900.
>
> Does this mean...
> 1. I have a crappy video card that doesn't have enough resolution
> choices to match a reasonable monitor


Not necessarily. The list of possible resolutions may be (in part)
determined by the monitor connected. Earlier I said that I didn't know
of this every happens, but I recently saw it in operation.

I connected a 1440x900 monitor to the PC, and 1440x900 showed up in the
list of resolutions. After I disconnected it and reconnected a
1280x1024 monitor, the 1440x900 was gone. This machine was running an
2-3 year-old ATI card with an even newer version of catalyst.

It does seem odd, though, if *your* display driver is trying to match
your monitor, that it would include some widescreen resolutions. Is
your currrent monitor widescreen or the more traditional 4:3 or 5:4
ratio? Is it LCD or CRT?

> 2. The monitors I looked at were crappy and didn't have a native
> resolution that matches a reasonable video card


1440x900 is a fairly common native resolution for widescreen monitors.

> 3. The process of matching a video card to a monitor is a time
> consuming process that doesn't always work out


I hadn't really run into a problem until that 1400x1050 monitor I told
you about, but I'm starting to agree with you.

> What do you recommend? Do you like my video card or did I buy the
> wrong one?


I've been happy enough with Asus products. In fact, I'm currently using
one their ATI chipset cards right now. I've not really had any problem
with nVidia-based cards either. In fact, the solution to my 1400x1050
problem might have been to use an nVidia card.

> Am I supposed to just keep looking until I find a matching
> monitor?


Contact the manufacturer, or participating in an nVidia-specific forum
would be a good next step.

> And one final question.
> Is the refresh rate something that I can safely change?


> I alway though it was dangerous to the monitor to change it but in the
> doc. for my video card there is a control to change the refresh rate
> and it says that all it does is to help eliminate flicker, as if it is
> something that can be set to your preference.


I don't think it's the risk it once was. I've never had any problem
with the recommend settings, though, so I've not really chanced it.


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