Image on monitor not filling the whole screen

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Topgunz
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#60156 20-Apr-2010 20:38

Hi hopefully someone can help me out.

I have purchased a Dell sx2210 monitor and a new PC with windows 7 running a ATI 5670 graphics card.

Currentlly the screen is set to 1920x1080, connect by HDMI and in Windows 7 devices it says Dell sx2210

Ths issue I have is that the picture on screen does not fill the entire screen both top, bottom, left and right. I have looked through all the setting in Windows and in the monitor settings with no luck.

Any ideas on what to try?

Regs

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Snowflake

#320918 20-Apr-2010 20:53

do you have a VGA cable? try that and see if the picture fills out the whole screen properly. if so, then its an HDMI specific issue and may mean you need to edit some settings on PC or screen.

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Topgunz
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#320975 20-Apr-2010 21:34

Setting it to 1280x1024 on HDMI fills the screen. Must be a resolution thing or I was wondering if the graphics card knows that it is a wide screen monitor. Will keep investigating.

Regs

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Snowflake

#320990 20-Apr-2010 21:45

if you are getting the option to send a 1920x1080 res then thats what it should be sending. if you have a VGA cable, give it a try. screens treat the inputs differently and you might just get what you expected via VGA.

there seems to be a bunch of hits on this sort of problem in google, many of them suggest switching to DVI with no HDCP. (VGA has no HDCP). check the following post for some other ideas on overscan stuff as well: http://www.tomshardware.com/forum/268130-33-4870-displaying-1920x1080-acer-h233h

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Topgunz
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#321130 21-Apr-2010 09:03

Thanks Regs for the advice. I plugged in the VGA (which connected to motherboard, no VGA on graphics card?) and I got no picture at all. Will read up your link and keep trying things out. The info that came with the monitor says use DVI to get best results which surprised me as I would have thought HDMI was the standard now. Might need to get a DVI cable to try it out.

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#321166 21-Apr-2010 09:41

dvi's best for computer monitors. cable should come with your monitor?

Yatey

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#321178 21-Apr-2010 09:50

Have you tried the overscan feature in the CCC when your mointer is connected to the screen?

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Regs

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Snowflake

#321401 21-Apr-2010 18:09

ToPGuNZ: Thanks Regs for the advice. I plugged in the VGA (which connected to motherboard, no VGA on graphics card?) and I got no picture at all. Will read up your link and keep trying things out. The info that came with the monitor says use DVI to get best results which surprised me as I would have thought HDMI was the standard now. Might need to get a DVI cable to try it out.

oh, i assumed that your graphics card had a VGA too... the onboard one probably got disabled by bios when you booted up connected to the card based one.

DVI-D and HDMI are basically the same for video signal, just a different cable. HDMI usually has HDCP (copy protection) added too, but this can also be done over DVI-D.

I'd take a look at the overscan settings as per that link above:

SunriseMan wrote :

I just went through this myself with an Acer P235H. The problem has nothing to do with Acer, and everything to do with ATI. You see, ATI assumes that you'll use your HDMI cable to hook up to a TV. Since most TVs are configured with overscan (i.e. the edges of the broadcasted image don't appear), ATI aggressively defaults to shrinking the image by 15% when using HDMI to ensure that the entire desktop will be visible.

The solution is to install the ATI Catalyst Control Center, available from their website. There's a section called something like "desktops & displays." On the bottom of that tab will be an area with a small icon of a monitor. Right click on that and select "Configure..." One of the tabs that shows up has a slider for display scaling. Move the slider to 0%, and voila!

It was for my wife's computer. I had already promised to reduce the cable clutter by having a single thin cable for both audio and video, so not getting HDMI working would have entailed a serious loss of face.

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Topgunz
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#321408 21-Apr-2010 18:23

Overscan setting on HDMI was grayed out and I could not change that even following suggestions in the link.

Connected DVI-D and all working great.

Thank you for your help Regs, joker97 and Yatey it is much appreciated.

Yatey

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#321413 21-Apr-2010 18:35

Happy To Help :D

I had the same problem when I connected my HP Laptop to our Pansonic HDTV via HDMI.
I was greatly disappointed when I noticed the black 'border' on the outside of the picture. As I am a tech perfectionist, I took to the old-faithful Google and noticed others had the same problem too and It could be adjusted with the overscan feature. The picture doesn't perfectly fit the TV (some of the picture is cut out), but It will suffice for me.

Jordan, Auckland University.
“Design is so simple, that’s why it is so complicated.” - Paul Rand