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Can you force a screen resolution?

post #1 of 11
Thread Starter 
My 32" LCD TV is capable of 1080p

It was always fine when I had me E6700/DFI DK set up.

Since I've done my Phenom setup it won't detect the TV, it just says generic non-PnP monitor. The max resolution it will show is 1600x1200, but when I choose that it says 'invalid format.'

The highest resolution I can use is 1360x1024.....

Any idea how I can force 1920x1080?

I've tried onboard graphics, 3870X2 with multiple drivers and resetting the TV back to factory settings and nothing has worked

Regards, Iced.
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post #2 of 11
What type of cable are you using? Is it a different cable than when you had your previous setup?

Are you trying to configure the resolution using the Windows utility, or are you going through Catalyst?
post #3 of 11
Quote:
Originally Posted by IcedEarth View Post
My 32" LCD TV is capable of 1080p

It was always fine when I had me E6700/DFI DK set up.

Since I've done my Phenom setup it won't detect the TV, it just says generic non-PnP monitor. The max resolution it will show is 1600x1200, but when I choose that it says 'invalid format.'

The highest resolution I can use is 1360x1024.....

Any idea how I can force 1920x1080?

I've tried onboard graphics, 3870X2 with multiple drivers and resetting the TV back to factory settings and nothing has worked

Regards, Iced.
Things to try:
1) Try a different physical inport port on the TV. (Some TVs have a HDMI/DVI port specifically for PC input.)
2) Can ATI drivers set up a custom resolution? (NVIDIA can.)
3) Edit the TV's EDID file.
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post #4 of 11
Thread Starter 
I'm using an RGB cable with a DVI converter on the end going into my 3870x2. No different to what I used before.

My motherboard has onboard ATI3200 graphics with both a DVI port and an RGB. I have tried both with no luck and no luck with my 3870X2.

My TV has an RGB port on the back specifically for PC input, this is what I'm using

I have no idea how to edit this EDID file Is it safe? My TV was pretty expensive when I bought it, don't fancy buggering it up at the cost of my PC

Another thing to note (this is full story):

My set up was E6700/DFI DK P35 and it worked fine at 1080p

I then switched to E6300/Gigabyte EP45 DS3 to prove my brothers motherboard/cpu were fully functional.

Whilst I had the above set up it also worked fine. I then bought a 4870x2 which was DOA and I tried everything to get it working to ensure that it wasn't me being an idiot.

It was only when I installed the 4870x2 drivers (that came on the CD) that this resolution problem occurred.

When I moved to my PHII a couple of days later I thought that the problem would dissappear, after all I was using a new motherboard, cpu and I used a brand new unused Barracuda 250GB....the only thing in common was the TV. Yet the problem still occurs.

So the only thing I can think of is that the 4870x2 drivers borked my TV somehow, but I never even knew this was possible.

EDIT:

Also yes apparently you can set it through Catalyst but when ever I enter the resolution it won't do anything
Edited by IcedEarth - 6/11/10 at 10:29am
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post #5 of 11
Have you tried Power Strip? It lets you force custom resolutions.

http://download.cnet.com/1770-20_4-0...type=downloads
     
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post #6 of 11
Thread Starter 
Cheers mate.

It couldn't find the DDC information nor a compatible EDID file, so it has asked me to input the information myself.

So I'm just downloading the manual for my TV and will do that. I'm also going to see if my TV is compatible with firmware downloads.

It seems those drivers really screwed with something lol

Will report back after I've tried this.
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post #7 of 11
Thread Starter 
So I created a new .inf file but it won't detect it when I try to manually find the drivers

I updated my TV to the current firmware by USB stick but still no luck.

How very strange....excuse me while I go throw my TV off a bridge!

I might try plugging my old Hanns G in and see what happens.

By the looks of it, something has written over the digital signature of my TV or wiped the data
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post #8 of 11
It's been a long time since I used Power Strip, but I remember being able to just configure it to run in any given resolution without messing around with drivers.

There are some good walkthroughs out there. Maybe one of them will have a tip that gets you where you need to go.

http://www.ramelectronics.net/powerstrip.ep
http://www.widescreengamingforum.com...top_Resolution
http://www.avsforum.com/avs-vb/showt...hreadid=206854 <-- This one is specifically about 1080i on Radeons. Maybe it will help with 180p.
     
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post #9 of 11
Erm... Don't remember where the setting is under Vista, but under Windows 7:



Have you tried unchecking that box...?
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post #10 of 11
Thread Starter 
Yea I've tried unchecking that, no luck :-(

Will read that guide when I get home tomorrow morning and report back :-)
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