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Thread: new gts 250 not filling vizio 42" 720p

Started 2 months ago by dafuzzbudd
Im using a dvi to hdmi cable hooked up to my 42" vizio. When I first connected my old 6800gt it was plug and play. Any resolution would autofill the screen appropriately, even if the ratio was off. Now when I set it to 1280x720, the display is bigger than the tv, I have to manually adjust it through nvidia display. This cant work because games dont allow custom resolutions. Something I ...
Site: AnandTech  AnandTech - site profile
Forum: Video Cards and Graphics  Video Cards and Graphics - forum profile
Total authors: 8 authors
Total thread posts: 15 posts
Thread activity: no new posts during last week
Domain info for: anandtech.com

Other posts in this thread:

happy medium replied 2 months ago
Isn't the resolution 1366x 720 or something like that? I think 1280x720 is too big. My 37" Vizio Tv is 1366x768 for 720p. Set it at 1366x768 . Do you have the latest drivers?

SunnyD replied 2 months ago
When I had a GV42L (Vizio), DVI/HDMI would absolutely not display the native resolution of the panel. It would run 1280x720 and then overscan the screen, which was annoying. However the VGA input displayed 1366x768 flawlessly, as that was the native resolution of the panel. HDMI on most Vizios don't/won't run 1:1 at 720p.

dafuzzbudd replied 2 months ago
ohk, i dont think i saw an option for 1366x768 but ill recheck. hopefully that'll fix it. the 1280x720 was actually over stretched.

LCD123 replied 2 months ago
You need to set to 1360x768. Works perfect on my dynex 32". I do have to center the screen but it's sized correctly.

dafuzzbudd replied 2 months ago
1360 and 1366x 768 does not work. nvidia drivers allow me to customize any resolution i want. when the resolution changes i see it blink in the correct size about .1 sec then it overscans. right now im sticking with a resolution of 1600 x 900. it small and hard to read but it's auto adjusting at this res.

LCD123 replied 2 months ago
Then you need to try different drivers. Your resolution is wrong for your monitor.

SunnyD replied 2 months ago
Originally posted by: dafuzzbudd 1360 and 1366x 768 does not work. nvidia drivers allow me to customize any resolution i want. when the resolution changes i see it blink in the correct size about .1 sec then it overscans. right now im sticking with a resolution of 1600 x 900. it small and hard to read but it's auto adjusting at this res. What model Vizio do you have? Like I ...

dafuzzbudd replied 2 months ago
I have the GV42L with 1080p. The tv worked perfectly with 1280x720 on my old 6800gt. This makes me think it's a driver issue, i tried a 4 month old driver and still the same. I'll try the vga cable if i can find one.

Concillian replied 2 months ago
Check your TV manual. TVs can be used to act like computer monitors, but the vast majority of devices used to output to TVs do not function like a computer output, so the TVs have to interpret things differently when you put a computer to them. Many TVs require using a specific port or setting a specific function to act like a true digital display, there should be info about this in the ...

dafuzzbudd replied 2 months ago
The vga cable fixed the problem, the quality looks slightly lower but this looks like the only fix to the problem currently. I have a feeling this is a hdcp issue. When the pc starts up the bios resolution 640x480? is mini. My older card(non hdcp) did not have this problem and my tv would take any resolution you would throw at it. Is there any way to disable HDCP? I tried a lot of ...

 

Top contributing authors

Name
Posts
dafuzzbudd
5
user's latest post:
new gts 250 not filling vizio...
Published (2009-10-28 04:10:00)
The vga cable fixed the problem, the quality looks slightly lower but this looks like the only fix to the problem currently. I have a feeling this is a hdcp issue. When the pc starts up the bios resolution 640x480? is mini. My older card(non hdcp) did not have this problem and my tv would take any resolution you would throw at it. Is there any way to disable HDCP? I tried a lot of searching and nvidia released a driver fix/hack for the 8800...
SunnyD
3
user's latest post:
new gts 250 not filling vizio...
Published (2009-10-28 11:18:00)
Originally posted by: dafuzzbudd I have the GV42L with 1080p. The tv worked perfectly with 1280x720 on my old 6800gt. This makes me think it's a driver issue, i tried a 4 month old driver and still the same. I'll try the vga cable if i can find one. The GV42L is not a 1080p set. It's a 720p set with a native resolution of 1366x768 (Otherwise I'd wonder why you're not running it at 1080p). There is absolutely no way to...
LCD123
2
user's latest post:
new gts 250 not filling vizio...
Published (2009-10-26 22:30:00)
Then you need to try different drivers. Your resolution is wrong for your monitor.
happy medium
1
user's latest post:
new gts 250 not filling vizio...
Published (2009-10-26 16:52:00)
Isn't the resolution 1366x 720 or something like that? I think 1280x720 is too big. My 37" Vizio Tv is 1366x768 for 720p. Set it at 1366x768 . Do you have the latest drivers?
Concillian
1
user's latest post:
new gts 250 not filling vizio...
Published (2009-10-27 21:01:00)
Check your TV manual. TVs can be used to act like computer monitors, but the vast majority of devices used to output to TVs do not function like a computer output, so the TVs have to interpret things differently when you put a computer to them. Many TVs require using a specific port or setting a specific function to act like a true digital display, there should be info about this in the manual.
WraithETC
1
user's latest post:
new gts 250 not filling vizio...
Published (2009-10-28 11:32:00)
You have the use the VGA port to do native res.
Painman
1
user's latest post:
new gts 250 not filling vizio...
Published (2009-10-28 05:30:00)
When your 'pooter boots up, the GFX card throws out a signal that it expects most monitors to be able to process. This is a failsafe so that you can still get into BIOS, etc. on a relatively garbage display. It has *nothing* to do with HDCP. HDCP at this level of operation would actually be obscenely unwelcome. The output might be scaled differently from card to card, but regardless of that, HDCP tends to be driver level and not BIOS...
AyashiKaibutsu
1
user's latest post:
new gts 250 not filling vizio...
Published (2009-10-28 14:58:00)
You're probably using the DVI port that reads as an hdmi port, and thus your card is trying to output to it like it's a TV. When I went from a 7900gt to a 9800gt, I had a similiar issue. Had to go into nvidia control panel and found it was set to 30 hz setting it to 60 fixed the problem. Also, make sure the TV isn't set to scale it on it's own.

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