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how to add 3rd monitor to HP Desktop

I have an HP Desktop with the specs below and want to add a 3rd monitor.

Windows 7 Ultimate
HP, Model a6600f
Processor Intel Pentium Dual CPU E220 @ 2.2Ghz
4.0 GM RAM

Currently, I have a VGA connection and then a white VGA-type connector, both came with the PC. I assume I need to get a video card and then install in one of the open slots, but need to understand what to get, installation, etc.

In my device manager, why is there only 1 "Display adapter" if I have two monitors connected ?

I'm not really familiar with video adapters, other than plugging in my monitor. No gaming or anything, just web surfing, youtube, etc. Maybe Hulu, Roku, SkyAngel, sports in the future.

PC is decent, every once in a while get BSOD with "Memory Management" error. Recently upgraded to Windows 7 Ultimate from Windows Vista Home, that went swimmingly well and PC runs pretty smoothly.
device manager
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Alaska Cowboy
Asked:
Alaska Cowboy
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4 Solutions
 
garycaseCommented:
If you add a video card to the PCIe x16 slot on your motherboard, it will override the onboard video.    So you'll stil just have support for 2 displays unless you buy a card that supports 3 monitors, like an AMD/ATI card with EyeFinity support [e.g. http://www.newegg.com/Product/Product.aspx?Item=N82E16814121442 ]

An alternative is to use your onboard graphics and add a USB video adapter, but you'll get a better overall experience with a dedicated EyeFinity card.
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Alaska CowboyAuthor Commented:
So the AMD/ATI card would invalidate the two current monitor connectors ?

And the card looks like it has the white-VGA type connector, and two HDMI (?) slots ? I need one HDMI slot and two white-VGA type connectors.

Thank you.
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Davis McCarnOwnerCommented:
Your HP will disable the onboard video when you add a card; but, you have a second problem in that you only have a 250 watt power supply: http://h10025.www1.hp.com/ewfrf/wc/document?cc=us&lc=en&dlc=en&docname=c01527396#N208
Also; because you have an NVidia chipset, I would suggest staying with NVidia for the card.  The NVidia GT 210 card is one of the lowest power requirement cards to support 3 displays.
Check this ($35) http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=3295677&CatId=3670
Did you know you can give that system a serious kick in the pants by upgrading the CPU? An E6550 ($50) would change the entire core from 800Mhz to 1333Mhz and the much larger cache wouldn't hurt either.
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Alaska CowboyAuthor Commented:
Davis,

great tips, thanks. never knew about upgrading CPU . . . is this what I am looking for ?
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Davis McCarnOwnerCommented:
Yes, and used is just fine; but, you'll also need some heatsink compound: http://www.amazon.com/Masscool-Thermal-Paste-Cooling-STARS-700/dp/B003DXKJ98/ref=sr_1_3?s=electronics&ie=UTF8&qid=1347216724&sr=1-3&keywords=heatsink+compound
Here is a pictorial installation guide with one difference.  Every HP I have ever opened has 4 screws holding the heatsink down which makes it much easier.  Loosen the 4 screws, twist the heatsink back and forth a few times to unstick the old heatsink compound, unplug its power, lift it out and use the guide: http://www.socket775.com/?mf=cpu
Clean all of the old compound off the bottom of the heatsink (paper towel and plastic scraper if necessary)  Install the new CPU, squirt a thin layer of compound on the raised center of the chip,
set the heatsink back on, twist it back and forth to even out the compound, tighten the screws, plug the fan's power back in and your done.
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Alaska CowboyAuthor Commented:
Davis, great! Thanks.
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Scott CSenior Systems EnginerCommented:
A simple and inexpensive solution would be to add a USB VGA adapter.

http://www.amazon.com/Tritton-SEE2-UV150-EXTERNAL-2-0VIDEO/dp/B004KN5MX8

This will give you your 3rd monitor and not disable anything.

The thing to remember is that the video is going over a USB port so anything requiring a high FPS would be impacted such as gaming.

YouTube should work fine.  I have several of these in use and I've seen my users watching YouTube videos through this adapter with little to no lag.

If you are using it to display Word, Excel, Web Pages, etc.  You would be fine.
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Alaska CowboyAuthor Commented:
Scott,

that's also a great solution, I could use it for non-intensive displays, such as e-mail, low-intensive e-mails, etc.

Thanks !
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garycaseCommented:
Agree you don't want to use a USB-based adapter for intensive displays ... that's why I noted in my commnet [when I said ".. An alternative is to use your onboard graphics and add a USB video adapter"]  that the performance would be better with a dedicated card that supports 3 displays.
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Alaska CowboyAuthor Commented:
great tips, low-end, high-end, and a sprinkle of PC tune-up tip, thanks !
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