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Top and bottom of screen cutoff

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Flake:

Hello there, I was wondering if someone knew the solution to fixing the display problem I have.

My windows taskbar is cutoff about half-way in the windows desktop display and when I'm inside MAME, the top and bottom of the screen are also cutoff slightly.  I dont care about the desktop as much as I do the MAME screen.  It cuts the hi-score display in half and cuts off the credits in the bottom.

I am using XP, have an Nvidia 8400 GS graphics card, a Toshiba 27" flat screen (not panel) TV made in 2005 (not sure about model number right now) and I'm using Maximus Arcade as my FE.  I have been able to access the service menu but all it does is move around the cutoff, it doesnt cure the problem.  So I figured it must be a display problem with windows or the videocard.

Any thoughts would be appreciated,

Thanks in advance.

Ginsu Victim:

What display resolution are you using?

ahofle:

Some video card drivers have special settings for TV out functionality, allowing you to size the screen down a bit.  Look under the display control panel, under settings -> 'advanced'. 
Otherwise, you may have to track down the codes to get into your TV's service menu which will allow you to adjust the horizontal and vertical sizing (overscan).  Remember to write down any previous values before changing anything.  Try a site like this to get the codes: http://www.bruzziforum.com/vbf/forumdisplay.php?f=5
or just google your TV model + 'service menu code'

EDIT: misread your original post and see that you've already tried the service menu (although I've never heard of a service menu not having H and V size adjustments.

Droler:

I had this problem with a Sanyo 26" TV and ATI All in Wonder and had to really torque the V size down to the minimum (still had a few lines missing at the top and bottom). It may not be 100% curable.

I had to use the ATI utility to adjust the output size.

Timstuff:

Are you by any chance using component out to the TV, rather than S-Video? I was trying to connect my TV to my PC using a component adapter on my Radeon 9800, and while the picture was undeniably sharp, it caused huge underscan problems like you described, where the top and bottom of the screen were cut off. I eventually gave up on component output and just went back to s-video, because the ATI catalyst control center lets you adjust overscan and underscan if you're using S-video (or a TV capable of the resolutions 1080i, 720p, or higher). The S-video is not nearly as sharp as component (or a real arcade monitor, for that matter), but it's at least better than losing half the image to overscan.

If you were using an ATI graphics card with S-video, I'd suggest adjusting overscan from the Catalyst Control Center. However, you're using an Nvidia, so I'm not sure how you'd adjust the settings for that. Still, overscan is the term you should be researching to solve the problem.

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