Tom's Hardware > Forum > Graphic & Displays > ATI > No Full Screen using Windows 7 RC & Radeon 4870 in HDMI mode

No Full Screen using Windows 7 RC & Radeon 4870 in HDMI mode

Forum Graphic & Displays : ATI - No Full Screen using Windows 7 RC & Radeon 4870 in HDMI mode

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spawn_eternal   08-26-2009 at 03:55:50 PM

Hi

I recently installed Windows 7 RC on my home PC to try it out. I have been using Windows Vista prior to this using an ATI Radeon 4870 on my recently purchased Acer H223H (23", 16X9 ratio, 1920*1080 - Full HD, 2ms, DVI, VGA, HDMI, Speakers) screen via HDMI with no problems.

Since I installed windows 7, I cannot get my screen to display full screen via HDMI, yet the resolution is set correctly. I fiddled with all the settings and even installed the lastest 9.8 Catalyst drivers with no luck.

I then tried connecting the screen via VGA & DVI instead of HDMI and it worked 100% correctly.

I did some searches on the net and the closest thing I could find wat the following relating to Catalyst Drivers:

" Known Issues Under the Windows 7 Operating System


Certain resolutions above 10 x 7 might not full screen for specific HDMI displays "

Fair enough, but this dates back to Catalyst version 9.3, or even possibly earlier versions. We currently have version 9.8, which is already 5 months newer!?!?

Has anyone had similar experiences like this???

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JessicaD   08-27-2009 at 08:48:07 PM
- 0 +

Spawn_eternal,

The Windows Hardware ecosystem is incredibly broad and offers a large selection tailored to very different needs. This is one of the things that makes Windows appealing to a variety of different users. To ensure that the user has a great experience with the devices that the user loves, we have been working closely with all our top partners including the top video card manufacturer. ATI and NVIDIA, for example, are both featured in our Ready.Set.7 campaign, where our top partners showcase their readiness and improvements with Windows 7. However, we cannot control the marketing, HW requirements, and life cycles of our vendor’s products. When a hardware partners decides not to support or chooses not to support some existing hardware on a new OS release, we can only acknowledge their business decision. To better understand the graphics changes in Windows 7 (including upgrade) please review the information available here: http://tinyurl.com/lt29jm

Also, Microsoft does have an official Windows 7 RC Support Forum located here http://tinyurl.com/9fhdl5 . It is supported by product specialists as well as engineers and support teams. You may want to check the threads there for additional support.

Jessica
Microsoft Windows Client Team

Reply to JessicaD
Drachenyen   08-31-2009 at 04:26:12 PM
- 0 +

Did you try the overscan / underscan settings in the catalyst control centre? I had a similar problem to begin with as well when I first started HDMI with my 4870x2, then discovered those settings in CCC and voila, fixed. HDMI was defaulted to underscan by 8%.

Message quoted 1 times
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spawn_eternal   09-02-2009 at 04:27:57 PM
- 0 +

Drachenyen wrote :

Did you try the overscan / underscan settings in the catalyst control centre? I had a similar problem to begin with as well when I first started HDMI with my 4870x2, then discovered those settings in CCC and voila, fixed. HDMI was defaulted to underscan by 8%.



Great, i'll give it a bash and report back to you tomorrow!!!

Reply to spawn_eternal
Anonymous   10-12-2009 at 05:48:50 PM
- 0 +

Same story here. It was just a matter of removing underscan in Catalyst. Full screen here now.

Reply to Anonymous
spawn_eternal   10-13-2009 at 08:54:32 AM
- 0 +

Yup, i forgot to get back to you, but yes, the under/overscan setting did the trick. Thanks guys.

Reply to spawn_eternal
Anonymous   10-29-2009 at 05:05:06 AM
- 0 +

Where is the under/overscan setting located?

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Anonymous   11-04-2009 at 07:26:44 PM
- 0 +

Wow, I am so happy I found this thread. This fix worked for my I-INC monitor. Thanks guys.

Reply to Anonymous
sshm   11-09-2009 at 06:24:54 PM
- 0 +

The under/over scan option is absent in Catalyst 9.10 64-bit - which version of CCC do I need?

Thanks.

Reply to sshm
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