LCD image different using DVI and HDMI

[sohaibrazzaq]

Hey all,
I got a new lcd monitor couple of months ago, Dell ST2420L (Full hd, 24") and i had been connecting it through a dvi cable to my gtx 570. Ok i had the monitor caliberated according to my needs, brightness all the way down to 28 and contrast around 70, it was still pretty bright. But i recently picked a cheap hdmi cable from my local store for around $12 so i thought of hooking it to my lcd and i said hey it will atleast be better then the shitty dvi cable came with the lcd for free.
Now the problem is that the image is FAR more brighter then it was, i triple checked my lcd settings and its still using the same old brightness/contrast, rgb values have'nt been changed and the preset is still gaming. The image is so bright that i can see the black area's with definite pixelation, is this supposed to happen and i would have to re-calibirate it or is it because of the cable being shitty?
I checked the gamma settings through nvidia control panel and it seems to be ok.

Any suggestions?

Edit: I am back to dvi and the image is much more darker now like it should be, seems i would have to recalibrate my monitor on hdmi

[Noahtuck]

I may be mistaken here, but from everything i have read, specs, etc. DVI carries the same resolution as HDMI, it's just that HDMI also carries audio where as DVI does not.

So why do you think it would be better ?

Why it would be brighter i don't know......

What make is your video card ?

The video card should have a control panel that you can adjust settings in also.

[aedipuss]

don't feel bad about turning down the brightness. i have a asus led lcd that the brightness needs to be at 0 to come close to being accurate.

[Noahtuck]

don't feel bad about turning down the brightness. i have a asus led lcd that the brightness needs to be at 0 to come close to being accurate.

Which Asus is it ?

I picked up this one a couple of months ago for a friend and i tested it on some games the same day she picked it up and it was so good i think it may have to be my first PC flat screen this summer
http://www.newegg.com/Product/Product.aspx?Item=N82E16824236117

She loves it and after having it a few days said she was surprised i told her it came in and gave it to her!!
LOL!!!

It's actually an LED and it was about $30.00 cheaper when i ordered it, it was on sale, and i actually messed up because i did not realize it was an LED and not an LCD until i opened the box and hooked it up.

[TreeTops]

not an LCD? Hey they are all LCD's. The LED just provides the back-lighting. Like the florescent models did before.

[Noahtuck]

Oops, my bad, it was an LCD, but you are wrong as they do have LED HD tv's......

[johns0]

Oops, my bad, it was an LCD, but you are wrong as they do have LED HD tv's......

They don't have led tvs,just lcd tvs with led backlighting.

[Poppa_Meth]

Not all HDMI cables are created equal. While something like Monster is not needed and way overpriced, there are plenty of good quality HDMI cables at a good price point. And yes it is common to need some calibration with HDMI connections.

[edDV]

Try taking the HDTV out of "game mode" and try "movie mode". That is closest to nominal on most TV sets. Some HDTV sets have separate settings per input connector.

As for LED, TreeTops is right for computer monitors and HDTV sets. LED is just used for back light.

There are enormous LED displays in sports arenas and LED airport sign boards.


[Attachment 7249 - Click to enlarge]


[Attachment 7250 - Click to enlarge]

[neomaine]

Hey all,
I got a new lcd monitor couple of months ago, Dell ST2420L (Full hd, 24") and i had been connecting it through a dvi cable to my gtx 570. Ok i had the monitor caliberated according to my needs, brightness all the way down to 28 and contrast around 70, it was still pretty bright. But i recently picked a cheap hdmi cable from my local store for around $12 so i thought of hooking it to my lcd and i said hey it will atleast be better then the shitty dvi cable came with the lcd for free.
Now the problem is that the image is FAR more brighter then it was, i triple checked my lcd settings and its still using the same old brightness/contrast, rgb values have'nt been changed and the preset is still gaming. The image is so bright that i can see the black area's with definite pixelation, is this supposed to happen and i would have to re-calibirate it or is it because of the cable being shitty?
I checked the gamma settings through nvidia control panel and it seems to be ok.

Any suggestions?

Edit: I am back to dvi and the image is much more darker now like it should be, seems i would have to recalibrate my monitor on hdmi

Depends on which DVI you have, DVI-I or DVI_D. Here's some reading to show why they could be different:

http://en.wikipedia.org/wiki/Digital_Visual_Interface

[Noahtuck]

Oops, my bad, it was an LCD, but you are wrong as they do have LED HD tv's......

They don't have led tvs,just lcd tvs with led backlighting.

I could swear i have seen tv's that were LED and i don't mean backlit

http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=7229043&CatId=5989


Display Area: 42"
Display Type: LED
Aspect Ratio: 16:9

http://www.newegg.com/Product/Product.aspx?Item=N82E16889136095&cm_re=LED_TV-_-89-136-095-_-Product

http://www.newegg.com/Product/Product.aspx?Item=N82E16889210082&cm_re=LED_TV-_-89-210-082-_-Product

I must be misreading something then

Because i don't see anywhere that it say's LCD.....

And i could swear that i ordered it thinking it was an LCD and when i took it out of the box it had a big sticker on it that said, COLOR LED SCREEN & nothing about being backlit, but i may have misread it but i still seem to be seeing LED screen tv's.

[TBoneit]

Oops, my bad, it was an LCD, but you are wrong as they do have LED HD tv's......

They don't have led tvs,just lcd tvs with led backlighting.

I could swear i have seen tv's that were LED and i don't mean backlit

http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=7229043&CatId=5989


Display Area: 42"
Display Type: LED
Aspect Ratio: 16:9

http://www.newegg.com/Product/Product.aspx?Item=N82E16889136095&cm_re=LED_TV-_-89-136-095-_-Product

http://www.newegg.com/Product/Product.aspx?Item=N82E16889210082&cm_re=LED_TV-_-89-210-082-_-Product

I must be misreading something then

Because i don't see anywhere that it say's LCD.....

And i could swear that i ordered it thinking it was an LCD and when i took it out of the box it had a big sticker on it that said, COLOR LED SCREEN & nothing about being backlit, but i may have misread it but i still seem to be seeing LED screen tv's.

From your own TigerDirect link.

"LD4255VX 42" Class Widescreen LED HDTV utilizes efficient engineering in all LED backlit LCD TVs"

[Noahtuck]

From your own TigerDirect link.

"LD4255VX 42" Class Widescreen LED HDTV utilizes efficient engineering in all LED backlit LCD TVs"

I saw that but still nowhere does it say this model is an LCD.
That could just besaying they use the same technology as their backlit screens.

And what about the NEWEGG links.....

I have catalogs that have LED HDTV's for sale and do not say anything about LCD.

[jagabo]

I saw that but still nowhere does it say this model is an LCD.
That could just besaying they use the same technology as their backlit screens.

All LED HDTVs in the consumer arena are LED backlit or edge lit LCDs. Display a pure black video on your HDTV at night with the lights off. It glows a pale blue doesn't it? That's the backlight leaking through the LCD.

[Noahtuck]

Display a pure black video on your HDTV at night with the lights off. It glows a pale blue doesn't it? That's the backlight leaking through the LCD.

I am not talking about anything i watch, i am just saying in general it sure seem's like there are LCD screen tv's AND LED screen tv's...

LED TVs also offer a sharper and brighter picture, greater contrast and color, and a wider viewing angle than LCD screens.

Because of the newer, better technology, LED TVs remain higher-priced than LCD HDTVs, which can come in smaller screen sizes and remain the most affordable type of HDTV today.

So again, those newegg links and these quotes taken from an article, i must be reading them wrong

[johns0]

The links at newegg are misleading cause they say they are led tvs and nothing about the fact they are just lcd tvs with led for backlighting.

[edDV]

True LED displays are made up of multi-color LED Arrays like these.



Making a large bright screen

[jagabo]

So again, those newegg links and these quotes taken from an article, i must be reading them wrong

Yes, you are reading them wrong. That's what they want.