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Dual monitor extend

Posted on 2013-12-10
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Last Modified: 2016-11-23
Hello,

have purchased 2 dell monitors (Dell E2414H ) and have an Intel G41 express chipset.

When go to the monitor properties to set up the extended double screen, it does not have the option to select a second screen.

Have updated the drivers, restarted pc, nothing. Using windows 7.

Please help.
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Question by:miamitech1111
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by:miamitech1111
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Windows not detecting the second monitor under display settings
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by:miamitech1111
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And currently using both monitors but both are doing the same
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by:Joe Winograd, EE MVE
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What two ports are the two monitors connected to? VGA? DVI? DisplayPort? HDMI?
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by:Joe Winograd, EE MVE
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> And currently using both monitors but both are doing the same

That means you're in clone/duplicate mode. Change it to extended desktop. You do this via:

Control Panel
Display
Change display settings

You'll see something like this, but with two monitors in your case, not three:
extend desktopClick the "Multiple displays" drop-down and select "Extend desktop to this display".
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by:miamitech1111
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Thank you, but only shows 1 display there

image
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by:Joe Winograd, EE MVE
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Then back to my earlier question: What two ports are the two monitors connected to? VGA? DVI? DisplayPort? HDMI? And what did you mean earlier when you said, "both are doing the same"?
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by:tgtran
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You stated "Intel G41 chipset" - is this mean you don't have a standalone graphic card?  Connected to the onboard graphic card?  If so, are you using some sort of splitter cable?

If 2 monitors connected to 2 separate ports and you can only get signal on one, you may want to check the BIOS to see if the other port is disabled.   When a PC has onboard graphic and standalone graphic, the onboard is usually disabled in the BIOS
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by:Joe Winograd, EE MVE
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Here's a "Multiple Displays FAQ" at the Intel site that applies to the G41 Express Chipset, among others:

http://www.intel.com/support/graphics/sb/CS-031040.htm

It may help you in troubleshooting. Regards, Joe
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by:miamitech1111
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Thank you yes it is connected to a splitter from the VGA port, should i look into the bios ?
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by:miamitech1111
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its VGA port from PC -> to splitter -> to monitors
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Joe Winograd, EE MVE earned 500 total points
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Ah, that's the problem. A splitter is not going to make the two monitors look like separate devices. The same signal – one signal! – is coming out from the video port through the cable. If you split that signal to two devices, both devices will show the same thing (they will be clones/duplicates). If you want a second monitor in an extended desktop configuration, you need either a video card that provides two ports or two video cards (each supporting one). Regards, Joe
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by:miamitech1111
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Ahh!!! no good... is there an adapter for this ? or one can connect externally without opening the PC and doing installations ?
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by:Joe Winograd, EE MVE
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Yes, there are USB adapters that provide a video port. Here's one:
http://www.amazon.com/StarTech-External-Video-Monitor-Adapter/dp/B005G306I2/

I've never had this particular device, but I have many StarTech products and have been extremely happy with them. I would not hesitate to give this product a try. Note that it comes in numerous flavors – USB2, USB3, USB3 with pass-through on one end; and DVI, HDMI, VGA on the other end. Make sure to get the right version depending on the USB port on your computer and the video port on the monitor. Regards, Joe
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by:miamitech1111
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Thank you!
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by:Joe Winograd, EE MVE
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You're welcome!
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