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Author Topic: Computer display question  (Read 1373 times)

Brad Johnson

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Computer display question
« on: September 17, 2009, 04:19:32 PM »
We have widescreen displays (i.e. HDTV monitors) running off of Dell 760's. One machine had a problem that necessitated wiping the drive and resintalling everything. It was done with the Dell recovery disc.

Problem....

Now the video properties do not include the needed 1280x720 widescreen vid mode. All the modes are for standard monitors (i.e. 800x600m 1280x1024, etc). The vid is an Intel Express internal chipset. Drivers seem to be loaded fine and the machine thinks everything is working. The monitor is set to Plug and Play just like all the other monitors. Here, too, the driver seems to be loaded fine and the machine thinks everything is working.

As far as I can tell everything is set up identically to the other three units at are functioning perfectly. Even on this unit the picture is fine, just in the wrong aspect ratio with no options for correcting it.

Any thoughts?

Brad
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mtnbkr

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Re: Computer display question
« Reply #1 on: September 17, 2009, 04:22:47 PM »
You may need a special driver for the monitor itself.  After which, you'd change it from "plug and play" to the specific model.

Chris
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AJ Dual

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Re: Computer display question
« Reply #2 on: September 17, 2009, 04:31:12 PM »
Yes, you need to see if the HTDV monitor manufacturer provides a .INF file for using their monitor with a Windows PC.

I had to do that with my Vizio tv and my Xp laptop.
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Brad Johnson

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Re: Computer display question
« Reply #3 on: September 17, 2009, 04:35:04 PM »
Good suggestion. I bet the tech guy (actually our office assistant who is cheaper, though slightly less skilled) probably had no idea that there was a seperate file specifically for the monitor.

Brad
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Harold Tuttle

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Re: Computer display question
« Reply #4 on: September 17, 2009, 04:45:17 PM »
you can put the Dell service tag number into dells support webpage and get the config list of the unit and link to the driver download for the specific card

http://support.dell.com/support/downloads/driverslist.aspx?c=us&cs=RC956904&l=en&s=hied&ServiceTag=5XSML81&SystemID=INS_PNT_P4_XPS_GEN2&os=WW1&osl=en&catid=&impid=
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AJ Dual

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Re: Computer display question
« Reply #5 on: September 17, 2009, 04:50:01 PM »
Quote from: Harold Tuttle on September 17, 2009, 04:45:17 PM
you can put the Dell service tag number into dells support webpage and get the config list of the unit and link to the driver download for the specific card

http://support.dell.com/support/downloads/driverslist.aspx?c=us&cs=RC956904&l=en&s=hied&ServiceTag=5XSML81&SystemID=INS_PNT_P4_XPS_GEN2&os=WW1&osl=en&catid=&impid=

It could also be this. The card may be running on compatible, but not the absolutely correct drivers. That would prevent VESA standard PnP from having the monitor communicate it's availible resolutions and scan rates to the computer over the video cord.
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Brad Johnson

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Re: Computer display question
« Reply #6 on: September 17, 2009, 04:54:54 PM »
The driver is correct. All the conference room machines are identical. I verified the drivers revs were the same on all four.

Also, the monitors are NuVision units. In case you were wondering, NuVision's web site leaves a lot to be desired. The tech support side of the web site is pathetic.

I'm done messing with it. I been trying to get them to let me work on it for a week but they seem disinterested. (they are the kind of people that want the picture filling the entire screen no matter what the correct aspect ratio should be).

We have eight conference rooms. I'll just take my clients into a different one.

Brad
« Last Edit: September 17, 2009, 04:59:00 PM by Brad Johnson »
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Harold Tuttle

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Re: Computer display question
« Reply #7 on: September 17, 2009, 04:58:14 PM »
does the card support mirroring?
sometimes you have to tell it what you do not want
reboot
tell it what you want
then reboot

sometimes you just buy a mac!
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Harold Tuttle

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Re: Computer display question
« Reply #8 on: September 17, 2009, 05:08:52 PM »
my dell mini 10 has an Intel graphics media driver for utra mobile

I had to use it to set the aspect ratio for the 1024x576 internal display

the default drive only did 1024x768 and stretched the raster to fit

everything was 15 percent to wide
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AJ Dual

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Re: Computer display question
« Reply #9 on: September 17, 2009, 05:15:47 PM »
Quote from: Harold Tuttle on September 17, 2009, 04:58:14 PM
does the card support mirroring?
sometimes you have to tell it what you do not want
reboot
tell it what you want
then reboot

sometimes you just buy a mac!


That's a good point. There may be more controls under the "Advanced Options" or a stand-alone video-driver utility than just the Windows display settings. Most Intel and ATI video drivers have them.

Also, the system can't maintain two different aspect ratios or resolutions on two different sized monitors if it's Mirroring. Is there a secondary regular computer monitor also hooked up to the (Optiplex desktop?) 760? It can only go to the native resolution if it's extended desktop mode, or in only one or the other mode. Or it has to have the large HDTV screen as primary and let it squash the aspect ratio on the actual computer monitor. (again, if there's a second monitor)

Also, Xp can be "sticky" to multi-monitor modes if there EVER was a second or different monitor installed at any point and won't give up on it.

Also, the multi-monitor support can also be controled with the actual driver control panel from the MFG. and it will often override whatever windows has set.
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